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<SEC-DOCUMENT>0000950123-10-063654.txt : 20100706
<SEC-HEADER>0000950123-10-063654.hdr.sgml : 20100705
<ACCEPTANCE-DATETIME>20100706121105
ACCESSION NUMBER:		0000950123-10-063654
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20100702
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20100706
DATE AS OF CHANGE:		20100706

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PATTERSON UTI ENERGY INC
		CENTRAL INDEX KEY:			0000889900
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				752504748
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22664
		FILM NUMBER:		10938088

	BUSINESS ADDRESS:	
		STREET 1:		4510 LAMESA HWY
		STREET 2:		P O DRAWER 1416
		CITY:			SNYDER
		STATE:			TX
		ZIP:			79549
		BUSINESS PHONE:		9155731104

	MAIL ADDRESS:	
		STREET 1:		P O DRAWER 1416
		CITY:			SNYDER
		STATE:			TX
		ZIP:			79550

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PATTERSON ENERGY INC
		DATE OF NAME CHANGE:	19940228
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d74236e8vk.htm
<DESCRIPTION>FORM 8-K
<TEXT>
<HTML>
<HEAD>
<TITLE>e8vk</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>WASHINGTON, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM 8-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section&nbsp;13 or 15(d) of the<BR>
Securities Exchange Act of 1934</B>
</DIV>

<!-- xbrl,dc -->
<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Date of Report (Date of earliest event reported) July&nbsp;2, 2010</B></DIV>
<!-- /xbrl,dc -->

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>Patterson-UTI Energy, Inc.</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><B>(Exact name of registrant as specified in its charter)</B></DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>0-22664</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>75-2504748</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>(State or other jurisdiction</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>(Commission File Number)</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>(IRS Employer</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>of incorporation)</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Identification No.)</B></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>450 Gears Road, Suite&nbsp;500, Houston, Texas 77067<BR>
(Address of principal executive offices) (Zip Code)</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Registrant&#146;s telephone number, including area code (281)&nbsp;765-7100</B></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the
filing obligation of the registrant under any of the following provisions:
</DIV>


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))</TD>
</TR>

</TABLE>
</DIV>

<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>














<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<!--TOC -->
<!--/TOC -->






<!-- link1 "Item&nbsp;1.01. Entry into a Material Definitive Agreement" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;1.01. Entry into a Material Definitive Agreement.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On July&nbsp;2, 2010, Patterson-UTI Energy, Inc. (the &#147;<B><I>Company</I></B>&#148;) entered into an Asset Purchase
Agreement (the &#147;<B><I>Purchase Agreement </I></B>&#148;) by and among the Company, Portofino Acquisition Company, a
Delaware corporation and a wholly-owned subsidiary of the Company (&#147;<B><I>Buyer</I></B>&#148;), Key Energy Pressure
Pumping Services, LLC, a Texas limited liability company (&#147;<B><I>Key Pressure Pumping</I></B>&#148;), Key Electric
Wireline Services, LLC, a Delaware limited liability company (together with Key Pressure Pumping,
the &#147;<B><I>Sellers</I></B>&#148;), and Key Energy Services, Inc., a Maryland corporation.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the terms of the Purchase Agreement, Buyer has agreed to purchase certain assets
and assume certain liabilities from the Sellers relating to the business of providing certain
pressure pumping services and certain electric wireline services to participants in the oil and
natural gas industry for an approximate aggregate purchase price of $237,700,000 in cash (the
&#147;Purchase Price&#148;). The Purchase Price is subject to certain adjustments based on closing inventory
and the value of certain owned properties that may be retained.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Purchase Agreement contains customary representations, warranties, covenants,
indemnification obligations and closing conditions. Subject to certain conditions and exceptions,
the Purchase Agreement may be terminated prior to the Closing in the event that (i)&nbsp;Buyer and the
Sellers mutually consent in writing to such termination, (ii)&nbsp;there is a material breach of any
covenant in the Purchase Agreement by Buyer or the Sellers, (iii)&nbsp;any representation or warranty of
Buyer or the Sellers made in the Purchase Agreement was untrue when made or becomes untrue or (iv)
the Closing has not occurred on or before December&nbsp;1, 2010. Closing of the transaction is subject
to the termination of the waiting period under the Hart-Scott-Rodino Act.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The above description of the Purchase Agreement is qualified in its entirety by reference to
the complete text of the Purchase Agreement filed as Exhibit&nbsp;2.1 hereto, which is hereby
incorporated herein by reference.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Also on July&nbsp;2, 2010, the Company entered into a 364-Day Credit Agreement (the &#147;<B><I>Credit
Agreement</I></B>&#148;) among the Company, as borrower, and Wells Fargo Bank, N.A., as administrative agent and
lender. The Credit Agreement is a committed senior unsecured single draw term loan credit facility
that permits a borrowing of up to $250&nbsp;million; provided that the loan must be drawn no later than
September&nbsp;30, 2010 or, if an additional fee is paid, October&nbsp;30, 2010. The maturity date under the
Credit Agreement is 364&nbsp;days after the date on which the closing conditions under the Credit
Agreement are met.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Loans under the Credit Agreement bear interest by reference, at the Company&#146;s election, to the
LIBOR rate or base rate. The applicable margin on LIBOR rate loans varies from 3.00% to 4.00% and
the applicable margin on base rate loans varies from 2.00% to 3.00%, in each case determined based
upon the Company&#146;s debt to capitalization ratio.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each domestic subsidiary of the Company other than Ambar Lone Star Fluids Services LLC has
agreed to unconditionally guarantee all indebtedness and liabilities of the other guarantors and
the Company arising under the Credit Agreement and other loan documents. Such guarantees also cover
obligations of the Company and any subsidiary of the Company arising under any interest rate swap
contract with any person while such person is a lender under the Credit Agreement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Credit Agreement requires compliance with two financial covenants. The Company must not
permit its debt to capitalization ratio to exceed 35% at any time, unless the Company enters into a
bank credit facility that refinances the indebtedness under the Credit Agreement dated as of March
20, 2009 among the Company, the lenders party thereto and Wells Fargo, as administrative agent, in
which case the debt to capitalization ratio may not exceed the lesser of (A)&nbsp;the debt to
capitalization ratio as set forth in such credit facility and (B)&nbsp;45%. The Credit Agreement
generally defines the debt to capitalization ratio
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">as the ratio of (a)&nbsp;total borrowed money indebtedness to (b)&nbsp;the sum of such indebtedness plus
consolidated net worth. The Company also must not permit the interest coverage ratio as of the last
day of a fiscal quarter to be less than 3.00 to 1.00. The Credit Agreement generally defines the
interest coverage ratio as the ratio of EBITDA to interest charges. The Credit Agreement also
contains customary representations, warranties and affirmative and negative covenants.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The above description of the Credit Agreement is qualified in its entirety by reference to the
complete text of the Credit Agreement filed as Exhibit&nbsp;10.1 hereto, which is hereby incorporated
herein by reference.
</DIV>

<!-- link1 "Item&nbsp;8.01. Other Events" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8.01. Other Events</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On July&nbsp;6, 2010, the Company issued a press release announcing the Company&#146;s entry into the
Purchase Agreement and the Credit Agreement. The foregoing description of the press release is
qualified in its entirety by reference to the complete text of the press release furnished as
Exhibit&nbsp;99.1 hereto, which is hereby incorporated herein by reference.
</DIV>

<!-- link1 "Item&nbsp;9.01. Financial Statements and Exhibits" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9.01. Financial Statements and Exhibits.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Exhibits
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">2.1</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Asset Purchase Agreement dated July&nbsp;2, 2010 by and among
Patterson-UTI Energy, Inc., a Delaware corporation, Portofino
Acquisition Company, a Delaware corporation, Key Energy Pressure
Pumping Services, LLC, a Texas limited liability company, Key
Electric Wireline Services, LLC, a Delaware limited liability
company, and Key Energy Services, Inc., a Maryland corporation.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">10.1</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>364-Day Credit Agreement dated July&nbsp;2, 2010, among Patterson-UTI
Energy, Inc., as borrower, and Wells Fargo Bank, N.A., as
administrative agent and lender.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">99.1</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Press Release dated July&nbsp;6, 2010 announcing Patterson-UTI Energy,
Inc.&#146;s entry into the Asset Purchase Agreement and the 364-Day Credit
Agreement.</TD>
</TR>





</TABLE>
</DIV>
<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">



</TABLE>
</DIV>
<!-- link1 "SIGNATURE" -->

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURE</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has
duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
</DIV>


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">PATTERSON-UTI ENERGY, INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">Date: July 6, 2010&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ John E. Vollmer III&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">John E. Vollmer III&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Senior Vice President-Corporate<br>
Development, Chief Financial Officer
and <br>Treasurer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>

</TABLE>
<!-- link1 "EXHIBIT INDEX" -->

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXHIBIT INDEX</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="92%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Asset Purchase Agreement dated July&nbsp;2, 2010 by and among
Patterson-UTI Energy, Inc., a Delaware corporation, Portofino
Acquisition Company, a Delaware corporation, Key Energy Pressure
Pumping Services, LLC, a Texas limited liability company, Key
Electric Wireline Services, LLC, a Delaware limited liability
company, and Key Energy Services, Inc., a Maryland corporation.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">364-Day Credit Agreement dated July&nbsp;2, 2010, among Patterson-UTI
Energy, Inc., as borrower, and Wells Fargo Bank, N.A., as
administrative agent and lender.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Press Release dated July&nbsp;6, 2010 announcing Patterson-UTI Energy,
Inc.&#146;s entry into the Asset Purchase Agreement and the 364-Day
Credit Agreement.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>



</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>d74236exv2w1.htm
<DESCRIPTION>EX-2.1
<TEXT>
<HTML>
<HEAD>
<TITLE>exv2w1</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Exhibit&nbsp;2.1</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>EXECUTION VERSION</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ASSET PURCHASE AGREEMENT</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>by and among</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>PORTOFINO ACQUISITION COMPANY,</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>as Buyer,</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>PATTERSON-UTI ENERGY, INC.,</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>as Buyer Parent,</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>and</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>KEY ENERGY PRESSURE PUMPING SERVICES, LLC,</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>and</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>KEY ELECTRIC WIRELINE SERVICES, LLC,</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>as Sellers,</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>and</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>KEY ENERGY SERVICES, INC.,</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>as Seller Parent</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Dated as of July&nbsp;2, 2010</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>Relating to the Acquisition of the<BR>
Assets of Sellers&#146; Pressure Pumping<BR>
and Wireline Businesses</B>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE OF CONTENTS</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000"><B>Page</B></TD>
    <TD>&nbsp;</TD>
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<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE I DEFINITIONS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">1</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;1.1 Definitions</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">1</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;1.2 Rules of Interpretation</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">13</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE II SALE AND PURCHASE</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">14</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.1 Purchase and Sale of Purchased Assets</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">14</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.2 Instruments of Conveyance and Transfer</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">15</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.3 Excluded Assets</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">15</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.4 Buyer&#146;s Assumed Obligations</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">16</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.5 Retained Liabilities</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">17</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.6 Purchase Price</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">18</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.7 Allocation of Purchase Price</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">18</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.8 Preparation of Inventory Certificate</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">18</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;2.9 Post-Closing Payments and Adjustments to Purchase Price</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">19</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE III CLOSING</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">19</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;3.1 Closing</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">19</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;3.2 Deliveries by Buyer to Sellers</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">19</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;3.3 Deliveries by Sellers to Buyer</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">20</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE IV REPRESENTATIONS AND WARRANTIES AS TO SELLERS, SELLER PARENT AND THE PURCHASED
BUSINESS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">21</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.1 Organization</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">21</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.2 Power and Authority; Authorization; Enforceability</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">21</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.3 No Conflicts; Consents</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">21</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.4 Litigation; Orders</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">22</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.5 Fees</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">22</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.6 Financial Statements; Liabilities</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">22</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.7 Absence of Changes or Events</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">22</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.8 (Reserved)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">22</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.9 Inventory</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">22</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.10 Assumed Contracts</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">23</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.11 Tax Matters</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">23</TD>
    <TD>&nbsp;</TD>
</TR>
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<P align="center" style="font-size: 10pt"><!-- Folio -->-i-<!-- /Folio -->
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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE OF CONTENTS</B><BR>
(continued)
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
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    <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000"><B>Page</B></TD>
    <TD>&nbsp;</TD>
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    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.12 Sufficiency and Condition of and Title to Purchased Assets</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">24</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
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</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.13 Equipment and Machinery and Vehicles</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">24</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.14 Real Property</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">24</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.15 Intellectual Property</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">25</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.16 Compliance with Laws</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">25</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.17 Legal Proceedings; Orders</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">25</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.18 Permits</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">26</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.19 Employees</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">26</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.20 Labor and Employment Matters</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">26</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.21 Employee Benefits</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">26</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.22 Environmental Matters</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">27</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;4.23 Exclusive Representation</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">28</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE V REPRESENTATIONS AND WARRANTIES AS TO BUYER AND BUYER PARENT</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">28</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;5.1 Existence</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">28</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;5.2 Power and Authority; Authorization; Enforceability</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">28</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;5.3 No Conflicts; Consents</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">29</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;5.4 Litigation; Orders</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">29</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;5.5 Fees</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">29</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;5.6 Financing</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">29</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE VI COVENANTS OF SELLERS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">29</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;6.1 Access</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">29</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;6.2 Environmental Defects</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">31</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;6.3 Ordinary Conduct</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">32</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;6.4 Non-Competition; Non-solicitation</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">34</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;6.5 Records</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">35</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;6.6 Disclosure Schedules, Updated Disclosures; Breaches</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">35</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;6.7 Employees of Purchased Business</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">36</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;6.8 Further Actions</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">36</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE VII COVENANTS OF BUYER</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">36</TD>
    <TD>&nbsp;</TD>
</TR>
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<P align="center" style="font-size: 10pt"><!-- Folio -->-ii-<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE OF CONTENTS</B><BR>
(continued)
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="88%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Page</B></TD>
    <TD>&nbsp;</TD>
</TR>

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<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;7.1 Notice, Breaches</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">36</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;7.2 Removal of Retained Marks</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">36</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;7.3 Further Actions</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">36</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE VIII MUTUAL COVENANTS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">37</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;8.1 Cooperation</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">37</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;8.2 Notices; Filings; Consents</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">37</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;8.3 Monies Received Following Closing</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">38</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;8.4 Employee Benefits Matters</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">39</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;8.5 Scrap Equipment</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">41</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;8.6 Publicity</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">41</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;8.7 Confidentiality</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">42</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;8.8 Transitional Matters</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">43</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE IX TAX MATTERS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">43</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;9.1 Cooperation</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">43</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;9.2 Taxes Generally</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">43</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;9.3 Transfer Taxes</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">44</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
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<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;9.4 Property Expense Apportionment</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">44</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
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<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;9.5 Tax Treatment of Indemnity Payments</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">45</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE X CONDITIONS PRECEDENT TO BUYER&#146;S OBLIGATIONS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">45</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;10.1 Accuracy of Representations and Warranties</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">45</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;10.2 No Law</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">45</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;10.3 No Order</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">45</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;10.4 Waiting Period</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">45</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;10.5 Audited Financial Statements</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">45</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE XI CONDITIONS PRECEDENT TO SELLERS&#146; OBLIGATIONS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">46</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;11.1 Accuracy of Representations and Warranties</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">46</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;11.2 No Law</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">46</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;11.3 No Order</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">46</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;11.4 Waiting Period</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">46</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE XII TERMINATION</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">46</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->-iii-<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE OF CONTENTS</B><BR>
(continued)
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="88%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Page</B></TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;12.1 Termination of Agreement</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">46</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;12.2 Effect of Termination</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">47</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE XIII INDEMNIFICATION</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">47</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;13.1 In General</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">47</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;13.2 Method of Asserting Claims, Etc</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">48</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;13.3 Responsibilities Relating to Environmental Conditions for Which a
Seller has Elected to Conduct Remedial Action</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">50</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;13.4 Remedies</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">50</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;13.5 Survival of Representations and Warranties; Limitations</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">51</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;13.6 Recovery</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">51</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;13.7 Express Negligence</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">52</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE XIV MISCELLANEOUS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">52</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.1 Amendments</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">52</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.2 Notices</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">52</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.3 Assignment</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">53</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.4 Severability</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">53</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.5 Entire Agreement</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">53</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.6 Governing Law</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">53</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.7 Expenses</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">53</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.8 Binding Effect; No Third Party Beneficiaries</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">53</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.9 Counterparts</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">54</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.10 Time</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">54</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.11 Seller Parent Assurance</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">54</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">Section&nbsp;14.12 Buyer Parent Assurance</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">54</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>







<P align="center" style="font-size: 10pt"><!-- Folio -->-iv-<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="10%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="80%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>Exhibits</u></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<tr><td>&nbsp;</td></tr>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Exhibit&nbsp;A
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(Reserved)</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Exhibit&nbsp;B
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Material Terms of Transition Services Agreement</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Exhibit&nbsp;C
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Material Terms of Lease Agreement</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Exhibit&nbsp;D
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Material Terms of Lease Agreement &#150; Heber Springs</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>Schedules</u></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(a)-1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Pressure Pumping Equipment and Machinery</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(a)-2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Wireline Equipment and Machinery</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(b)-1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Pressure Pumping Assumed Contracts</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(b)-2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Wireline Assumed Contracts</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(c)-1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Pressure Pumping Vehicles</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(c)-2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Wireline Vehicles</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(d)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Transferred Owned Real Property</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(e)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Transferred Leased Real Property and Transferred Leases</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(f)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Transferred Intellectual Property</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.1(g)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Transferred Permits</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.3(j)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shared Use Assets</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.3(l)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Excluded Assets</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2.7
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Allocation of Purchase Price</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Sellers&#146; Conflicts and Consents</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.6
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financial Statements</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.7
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Changes or Events</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.10
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Material Contracts Not Included as Assumed Contracts</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.12
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Sufficiency and Condition of and Title to Purchased Assets</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.16
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Compliance with Laws</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.17
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Litigation</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.18
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Permits</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.19
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Business Employees</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.20
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Labor Matters and Employment Disputes</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.22
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Environmental Matters</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">6.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Allocated Values</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">8.8(a)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Pricing Agreements</TD>
</TR>
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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ASSET PURCHASE AGREEMENT</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Asset Purchase Agreement (this &#147;<U>Agreement</U>&#148;) dated as of July&nbsp;2, 2010, is by and
among Key Energy Pressure Pumping Services, LLC, a Texas limited liability company (&#147;<U>Seller
A</U>&#148;), Key Electric Wireline Services, LLC, a Delaware limited liability company (&#147;<U>Seller
B</U>&#148;, and together with Seller A, the &#147;<U>Sellers</U>&#148;), Key Energy Services, Inc., a Maryland
corporation (&#147;<U>Seller Parent</U>&#148;), Portofino Acquisition Company, a Delaware corporation
(&#147;<U>Buyer</U>&#148;), and Patterson-UTI Energy, Inc., a Delaware corporation (&#147;<U>Buyer Parent</U>&#148;).
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>RECITALS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS, Seller A is engaged in the business of providing certain pressure pumping services to
participants in the oil and natural gas industry and desires, on the terms and subject to the
conditions set forth herein, to sell certain assets and assign certain liabilities related thereto
to Buyer; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS, Seller B is engaged in the business of providing certain electric wireline services
to participants in the oil and natural gas industry and desires, on the terms and subject to the
conditions set forth herein, to sell certain assets and assign certain liabilities related thereto
to Buyer; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS, Buyer desires, on the terms and subject to the conditions set forth herein, to
purchase such assets and assume such liabilities; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NOW, THEREFORE, in consideration of the premises, the terms and provisions set forth herein,
the mutual benefits to be gained by the performance thereof and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows:
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE I<BR>
DEFINITIONS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;1.1 <U>Definitions</U>. As used in this Agreement, the terms set forth below shall
have the following respective meanings unless the context clearly requires otherwise:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Accounts Receivable</U>&#148; means the accounts receivable, including trade accounts
receivable, notes receivable and loans receivable generated from transactions involving the
Purchased Business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Adjustment Date</U>&#148; has the meaning set forth in <U>Section&nbsp;9.4</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Affiliate</U>&#148; means, with respect to a person, another person that directly, or
indirectly through one or more intermediaries, Controls, is Controlled by or is under common
Control with such person.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Agreement</U>&#148; has the meaning set forth in the Preamble of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Allocated Value</U>&#148; has the meaning set forth in <U>Schedule&nbsp;6.1(b)</U> of this
Agreement.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Asset Allocation</U>&#148; has the meaning set forth in <U>Section&nbsp;2.7</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Assumed Contracts</U>&#148; means the Pressure Pumping Assumed Contracts and the Wireline
Assumed Contracts.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Assumed Obligations</U>&#148; has the meaning set forth in <U>Section&nbsp;2.4</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Assumption Agreement</U>&#148; means an agreement in customary form, reasonably satisfactory
to Buyer and Sellers pursuant to which Buyer shall assume the Assumed Obligations.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Balance Sheet</U>&#148; has the meaning set forth in <U>Section&nbsp;4.6</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Balance Sheet Date</U>&#148; has the meaning set forth in <U>Section&nbsp;4.6</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Base Inventory</U>&#148; means $6,000,000.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Business Employees</U>&#148; has the meaning set forth in <U>Section&nbsp;4.19</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Buyer</U>&#148; has the meaning set forth in the Preamble of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Buyer Lease Agreement</U>&#148; means a written lease agreement containing the material terms
identified in <U>Exhibit&nbsp;C</U> to this Agreement between Buyer, as tenant, and an Affiliate of
Sellers, as landlord, relating to the Tioga, North Dakota service facility used in the Wireline
Business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Buyer Parent</U>&#148; has the meaning set forth in the Preamble of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Buyer Plans</U>&#148; has the meaning set forth in <U>Section&nbsp;8.4(e)</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Capital Stock</U>&#148; means (i)&nbsp;with respect to a corporation, any and all shares,
interests, participations, rights or other equivalents (however designated) of equity or ownership
interests in such corporation, (ii)&nbsp;with respect to any other entity, any and all partnership,
limited partnership, limited liability company or other equity or ownership interests of such
entity however denominated and (iii)&nbsp;any right or security convertible into or exercisable or
exchangeable for any of the foregoing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Claim</U>&#148; means any suit, demand, claim or action of any type, however styled, by or
before any Court or Governmental Authority.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Claim Notice</U>&#148; has the meaning set forth in <U>Section&nbsp;13.2(a)</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Closing</U>&#148; has the meaning set forth in <U>Section&nbsp;3.1</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Closing Date</U>&#148; has the meaning set forth in <U>Section&nbsp;3.1</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Closing Date Inventory</U>&#148; means the Inventory of the Purchased Business at the
Effective Time calculated pursuant to <U>Section&nbsp;2.8(a)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>COBRA</U>&#148; has the meaning set forth in <U>Section&nbsp;8.4(d)</U> of this Agreement.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Code</U>&#148; means the Internal Revenue Code of 1986, as amended.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Commercially Reasonable Remediation Cost</U>&#148; means the commercially reasonable cost
necessary to conduct Remedial Action using risk-based standards reasonably appropriate for the type
of use of the Transferred Real Property affected that would be implemented by a similarly-situated
owner or lessee taking into account (i)&nbsp;the current use of the property affected, (ii)&nbsp;the cost
necessary to correct a violation of Environmental Laws or Environmental Permits (or the lack of an
Environmental Permit), (iii)&nbsp;any applicable requirements or standards under Environmental Laws and
the enforcement policies and standards of the Governmental Authorities responsible for enforcing
Environmental Laws and (iv)&nbsp;any applicable requirements of any lease agreements in effect as of the
Closing Date for the Transferred Leased Real Property to which a Seller or any of its Affiliates is
a party. The use of Institutional Controls, as that term is defined herein, is permissible
provided that such use is not prohibited by: (1)&nbsp;the terms of any existing lease agreement for the
Transferred Real Property or (2)&nbsp;any Landlord under such lease agreements whose permission is
required before an Institutional Control may be installed.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Commonly Controlled Entity</U>&#148; means, with respect to a Person, any corporation, trade,
business or entity under common control with such Person within the meaning of Section&nbsp;414(b), (c),
(m)&nbsp;or (o)&nbsp;of the Code or Section&nbsp;4001 of ERISA.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Competing Business</U>&#148; has the meaning set forth in <U>Section&nbsp;6.4(a)</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Contract</U>&#148; means any contract, agreement, indenture, note, bond, loan, lease,
conditional sale contract, mortgage or insurance policy, whether oral or written.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Control</U>&#148; means the possession, directly or indirectly through one or more
intermediaries, of the power to direct or cause the direction of the management and policies of a
person, whether through the ownership of voting securities, by contract or otherwise.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Court</U>&#148; means (i)&nbsp;any court established and functioning under the Laws of any nation
or state, or any political subdivision thereof, including the United States of America, Canada, any
state of the United States of America and any province of Canada and (ii)&nbsp;any arbitrator,
arbitration panel or similar body.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Credit Facility</U>&#148; means the Credit Agreement, dated as of November&nbsp;29, 2007, among
Seller Parent, each lender from time to time party thereto, Bank of America, N.A. as Paying Agent,
Co-Administrative Agent, Swing Line Lender and L/C Issuer, and Wells Fargo Bank, National
Association, as Co-Administrative Agent, Swing Line Lender and L/C Issuer, as amended by that
certain Amendment No.&nbsp;1 to Credit Agreement, dated as of October&nbsp;27, 2009.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Critical Properties</U>&#148; means those certain Transferred Real Properties located in
Cleburne, Chico, Midland ( Pressure Pumping yard and office), and Carrizo Springs, Texas as
identified in <U>Schedule&nbsp;2.1(d)</U> and <U>Schedule&nbsp;2.1(e)</U> to this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Damages</U>&#148; has the meaning set forth in <U>Section&nbsp;13.1(a)</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Designated Accountants</U>&#148; means Ernst &#038; Young LLP or another firm of Designated
Accountants of nationally recognized standing consented to by Buyer and Sellers.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Effective Time</U>&#148; means 11:59&nbsp;p.m. on the Closing Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Employee Benefit Plan</U>&#148; means an &#147;employee welfare benefit plan,&#148; an &#147;employee pension
benefit plan&#148; (as defined in Sections&nbsp;3(1) and 3(2) of ERISA) and any other pension, profit
sharing, retirement, deferred compensation, stock purchase, stock option, incentive, bonus,
vacation, severance, disability, health, hospitalization, medical, life insurance, vision, dental,
prescription drug, supplemental unemployment, apprenticeship and training, day care, scholarship,
group legal benefits, fringe benefit or other employee benefit plan, program, policy, agreement or
arrangement, whether written or unwritten, formal or informal and whether or not ERISA is
applicable to such plan, program, policy or arrangement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Condition</U>&#148; means the presence of Hazardous Materials in, at, on, under
or from (including migrating from) any of the Transferred Real Property in concentrations that
would be required to be investigated or remediated under applicable Environmental Laws or
Environmental Permits.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Defect Notice</U>&#148; means a written notice of a Potentially Material
Environmental Condition, as more particularly described in <U>Section&nbsp;6.2(a)</U> herein,
discovered prior to Closing in the course of conducting a Phase II ESA, or through review of other
Environmental Reports (as defined in <U>Section&nbsp;4.22</U>) provided by Sellers.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Defect Notice Date</U>&#148; means the date no later than 10 business days
before the Closing Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Laws</U>&#148; means any and all Laws and Orders relating to pollution,
preservation, remediation or protection of the environment, human health and safety, the
preservation or reclamation of natural resources, or to the management or Release of Hazardous
Materials, including the Comprehensive Environmental Response, Compensation and Liability Act of
1980, as amended, the Federal Water Pollution Control Act, as amended by the Clean Water Act of
1977, the Clean Air Act of 1970, as amended, the Resource Conservation and Recovery Act of 1976, as
amended, the Toxic Substances Control Act of 1976, as amended, the Occupational Safety and Health
Act of 1970, as amended, the Emergency Planning and Community Right-to-Know Act of 1986, as
amended, the Safe Drinking Water Act of 1974, as amended, the Hazardous Materials Transportation
Act, as amended, the Oil Pollution Act of 1990, as amended, and any similar or implementing state
or local Laws and all amendments or regulations promulgated thereunder.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Liabilities</U>&#148; means any Liability, Claim, loss, damage, fine, penalty,
cost, expense, deficiency or responsibility (i)&nbsp;arising under or relating to any Environmental Law,
Environmental Permit, Release or Environmental Condition, or (ii)&nbsp;arising under common law, to the
extent such Liability, Claim, loss, or damage arises out of an Environmental Condition.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Material Adverse Effect</U>&#148; shall mean any Environmental Liabilities that
are reasonably expected to exceed $200,000 per occurrence or series of related occurrences or
$500,000 in the aggregate.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Permit</U>&#148; means any Permit required under applicable Environmental Laws.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Reports</U>&#148; has the meaning set forth in <U>Section&nbsp;4.22(h)</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Equipment and Machinery</U>&#148; means the Pressure Pumping Equipment and Machinery and the
Wireline Equipment and Machinery.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>ERISA</U>&#148; means the Employee Retirement Income Security Act of 1974, as amended.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Excluded Assets</U>&#148; has the meaning set forth in <U>Section&nbsp;2.3</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Final Closing Date Inventory</U>&#148; means Closing Date Inventory (i)&nbsp;as set forth in the
Inventory Certificate, if no notice of disagreement with respect thereto is duly delivered by Buyer
pursuant to <U>Section&nbsp;2.8(b)</U>; or (ii)&nbsp;if such notice of disagreement is delivered, (a)&nbsp;as
agreed by Buyer and Sellers pursuant to <U>Section&nbsp;2.8(c)</U> or (b)&nbsp;in the absence of such
agreement, as shown in the Designated Accountants&#146; calculation delivered pursuant to
<U>Section&nbsp;2.8(c)</U>; <U>provided</U>, <U>however</U>, that in no event shall Final Closing
Date Inventory be greater than Sellers&#146; calculation of Closing Date Inventory delivered pursuant to
<U>Section&nbsp;2.8(a)</U> or less than Buyer&#146;s calculation of the Closing Date Inventory delivered
pursuant to <U>Section&nbsp;2.8(b)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Financial Statements</U>&#148; has the meaning set forth in <U>Section&nbsp;4.6</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>GAAP</U>&#148; has the meaning set forth in <U>Section&nbsp;4.6</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Governmental Authority</U>&#148; means any government of, or any authority, agency, regulatory
body, commission, official or other instrumentality of any government of, the United States of
America or any foreign country, or any domestic or foreign state, province, county, city, local or
other political subdivision thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Hazardous Materials</U>&#148; means: (i)&nbsp;any chemical, material, waste or substance defined
or regulated by, or that forms the basis of Liability under, any applicable Environmental Law
including any &#147;hazardous waste,&#148; &#147;extremely hazardous waste,&#148; &#147;hazardous material,&#148; &#147;hazardous
substance,&#148; &#147;toxic substance,&#148; &#147;contaminant,&#148; &#147;pollutant&#148; or any other comparable term or
expression intended to define or classify substances pursuant to applicable Environmental Law by
reason of properties harmful to human health and safety, or the indoor or outdoor environment,
(ii)&nbsp;any oil, petroleum hydrocarbon, petroleum product or petroleum substance (including crude oil,
any petroleum fraction or any petroleum derivative substance), (iii)&nbsp;any flammable substances or
explosives and (iv)&nbsp;any radioactive materials, polychlorinated biphenyls, asbestos-containing
materials, radon or urea formaldehyde foam insulation.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>HSR Act</U>&#148; means the Hart-Scott-Rodino Antitrust Improvements Act of 1976.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Immovable Fixture</U>&#148; means a fixture that cannot be removed from the associated real
property without material damage to such fixture or such real property.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Indemnified Party</U>&#148; means a party or its applicable directors, officers, employees,
equity owners, agents, representatives, successors and permitted assigns that are entitled to
indemnification pursuant to <U>Article&nbsp;XIII</U> of this Agreement.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Indemnifying Party</U>&#148; means a party that is obligated to provide indemnification
pursuant to <U>Article&nbsp;XIII</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Indemnity Notice</U>&#148; has the meaning set forth in <U>Section&nbsp;13.2(e)</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Institutional Controls</U>&#148; means one or more institutional control(s) as defined under
applicable Environmental Laws and includes the imposition of restrictive covenants or deed
restrictions limiting the use of the Transferred Leased Real Property to commercial/industrial use,
the presence of engineered barriers, and the restriction of the installation or use of water wells,
but only to the extent the same are not prohibited as set forth in the term Commercially Reasonable
Remediation Cost.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Intellectual Property</U>&#148; means intellectual property rights relating to: (i)&nbsp;patents
and patent applications; (ii)&nbsp;copyrights (registered or unregistered) and copyrightable works, and
registrations and applications for registration thereof, other than those relating to Marks; (iii)
trade secrets and know-how; and (iv)&nbsp;customized or proprietary computer software, data and
databases, and all documentation related thereto, other than documentation related to
&#147;off-the-shelf&#148; software licenses and similar software programs licenses that provide for the
payment of a license fee of less than $10,000 per year. Intellectual Property excludes all Marks.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Inventory</U>&#148; means all inventories of the Sellers, or their Affiliates, wherever
situated, on hand as of the Closing Date used in or related to the Purchased Business, including
raw materials, samples, spare parts and all other materials and supplies to be used in or consumed
by the Purchased Business. Non-capitalized references to &#147;inventory&#148; shall mean the same as
capitalized references to &#147;Inventory&#148; except that they shall not be limited to items on hand as of
the Closing Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Inventory Certificate</U>&#148; has the meaning set forth in <U>Section&nbsp;2.8(a)</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>IRS</U>&#148; means the United States Internal Revenue Service.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Knowledge</U>&#148; means, with respect to a Person, the knowledge, after due inquiry, of such
Person. In the case of Sellers, a matter shall be within the Knowledge of Sellers if an executive
officer of Seller Parent, the Senior Vice President, Senior Director, Director or Asset Manager of
Pressure Pumping Services or the Senior Director or Area Director of Wireline Services has, or
would reasonably be expected to have, after due inquiry, actual knowledge of such matter.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Law</U>&#148; means any applicable constitutional provision, statute, act, code (including the
Code), law, regulation, rule, ordinance, proclamation, resolution, decision, declaration, treaty or
interpretive or advisory opinion of a Governmental Authority.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Legal Proceeding</U>&#148; means any judicial, administrative or arbitral action, hearing,
charge, complaint, suit or proceeding (public or private) by or before any Governmental Authority.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Liabilities</U>&#148; means, with respect to a Person, any obligation or liability of such
Person of any kind, character or description, whether known or unknown, absolute or contingent,
accrued or unaccrued, disputed or undisputed, liquidated or unliquidated, secured or unsecured,
joint or several, due or to become due, vested or unvested, executory, determined, determinable or
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">otherwise, whether or not the same is required to be shown on the financial statements of such
Person.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Lien</U>&#148; means any lien, claim, encumbrance, security interest, option, charge or
restriction of any kind.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Marks</U>&#148; means, throughout the world, whether or not registered, any names, trademarks,
service marks, trade dress rights, domain names or trade names and any derivatives thereof and
logos related thereto, including all goodwill and brand equity associated therewith and symbolized
thereby, and further including all statutory and common law rights embodied therein and associated
therewith.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Material Adverse Effect</U>&#148; means an event, change or occurrence that has had or would
reasonably be expected to have (i)&nbsp;a material adverse effect on the business, financial condition,
assets, properties or results of operations of the Purchased Business, taken as a whole or (ii)&nbsp;a
material adverse effect on the ability of Sellers to consummate the transactions contemplated
hereby in accordance with the terms of this Agreement, other than in the case of clause (i)&nbsp;or (ii)
any such event, change or occurrence relating to or resulting from (x)&nbsp;changes or conditions
affecting the economy, the financial markets or the markets for oil and natural gas in general or
changes in political or regulatory conditions generally, (y)&nbsp;general changes in the segments of the
oil and natural gas industry in which the Purchased Business operates, other than changes in Law
applicable to hydraulic fracturing that would make such practice illegal or commercially
impractical in a jurisdiction in which Seller A conducts the Pressure Pumping Business, or (z)&nbsp;the
announcement (or the effect of any such announcement) or consummation of the transactions
contemplated by this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Material Contract</U>&#148; means, with respect to any person, (i)&nbsp;any Contract to which such
person is a party or by which such person is in any way bound as to which the remaining benefit to,
or obligation of, such person under any such Contract (a)&nbsp;in any case in which the benefit or
obligation can be reasonably reduced to monetary terms, equals or exceeds $50,000 or (b)&nbsp;in any
case in which it cannot reasonably be reduced to monetary terms, is or could reasonably be expected
to be material to such person and (ii)&nbsp;any of the following types of Contracts to which such person
is a party or by which such person is in any way bound:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;any Contract under which indebtedness for borrowed money or the deferred purchase price of
property or services is outstanding or committed (other than trade payables incurred in the
ordinary course of business);
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;any Contract that constitutes a lease, whether operating or capital;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;any Contract that constitutes a guaranty or other agreement of suretyship;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv)&nbsp;except for those Contracts entered into in the ordinary course of business, any Contract
containing an agreement of indemnification;
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v)&nbsp;any Contract that includes any covenant or agreement of such person that purports to
restrict the business activity of such person or limit the freedom of any such person to compete
with any other person;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vi)&nbsp;any joint venture, partnership, investment or other Contract (A)&nbsp;involving a sharing of
profits or losses relating to all or any portion of the business of such person or (B)&nbsp;requiring
any such person to invest funds in or make loans to, or purchase any securities of, another person,
venture or other business enterprise;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vii)&nbsp;any Contract in which such person has granted to a third person a right of first refusal
or similar right to acquire assets or a business or portion thereof;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(viii)&nbsp;any Contract providing for commissions, fees or royalties or other payments by or to a
person based on sales, purchases or profits, other than direct payments for goods, materials,
supplies or services;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ix)&nbsp;any Contract relating to the licensing, sublicensing or use of Intellectual Property
(other than &#147;off-the-shelf&#148; and similar software program licenses that provide for the payment of a
license fee of less than $10,000 per year);
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(x)&nbsp;any Contract relating to or providing for the creation of a Lien on any assets of such
person;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(xi)&nbsp;any Employee Benefit Plan and any other employment, consulting, management, severance,
compensation or similar Contract and any Contract for management, consulting or other similar
services;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(xii)&nbsp;any pricing or supply Contract;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(xiii)&nbsp;any Permit; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(xiv)&nbsp;any Contract with a Governmental Authority.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Non-Conveyed Scrap Equipment</U>&#148; has the meaning set forth in <U>Section&nbsp;8.5</U> of
this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Order</U>&#148; means any order, judgment, injunction, ruling or decree of any Court or
Governmental Authority.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Organizational Documents</U>&#148; means (i)&nbsp;with respect to a corporation, the articles or
certificate of incorporation and bylaws thereof, or any comparable governing instruments, together
with any other governing agreements or instruments of such corporation or the shareholders thereof,
each as amended, (ii)&nbsp;with respect to a limited liability company, the certificate of formation and
the operating agreement or regulations of such limited liability company, or any comparable
governing instruments, each as amended, (iii)&nbsp;with respect to a partnership, the certificate of
formation and the partnership agreement of such partnership and, if applicable, the Organizational
Documents of such partnership&#146;s general partner, or any
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">comparable governing instruments, each as amended and (iv)&nbsp;with respect to any other Person
the organizational, constituent and/or governing documents and/or instruments of such Person.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Permit</U>&#148; means any permit, license, certificate, tariff, concession, variance,
exemption, approval, consent, franchise, registration, Order or authorization.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Permitted Liens</U>&#148; means (i)&nbsp;Liens that are caused or created by Buyer; (ii)&nbsp;Liens for
property Taxes which are not yet due and payable and Liens for Taxes which are being contested in
good faith by appropriate proceedings, provided a reserve or other appropriate provision, if any,
as required by GAAP is made therefor in the Closing Balance Sheet and such proceedings are
disclosed in Sellers&#146; Disclosure Schedules; (iii)&nbsp;inchoate Liens arising by operation of law,
including materialman&#146;s, mechanic&#146;s, repairman&#146;s, laborer&#146;s, warehouseman&#146;s, carrier&#146;s, employee&#146;s,
contractor&#146;s, operator&#146;s, landlord&#146;s, workmen&#146;s, suppliers&#146; and other similar Liens arising in the
ordinary course of business, provided such liens secure obligations that, as of the Closing Date,
are not due and payable or are being contested in good faith and a reserve or other appropriate
provision, if any, as required by GAAP is made therefor in the Closing Balance Sheet; (iv)&nbsp;minor
defects, irregularities in title, easements, rights of way, servitudes, restrictions (including
zoning restrictions), covenants, licenses, encroachments, protrusions and other similar charges or
encumbrances (whether affecting fee interests, a landlord&#146;s interest in leased properties or a
tenant&#146;s interest in leased properties) that are recorded in the appropriate public records for
which the affected real property is located or are reflected on an accurate survey of the affected
real property, none of which, individually or in the aggregate, (a)&nbsp;were incurred with any
indebtedness and (b)&nbsp;would reasonably be expected to have a material adverse effect on the
business, financial condition, assets, properties or results of operation of the Purchased
Business, taken as a whole; (v)&nbsp;Liens (other than any Lien imposed by ERISA and any Lien for Taxes)
(a)&nbsp;imposed by Law or deposits made in connection therewith in the ordinary course of business in
connection with workers&#146; compensation, unemployment insurance and other types of social security
legislation, (b)&nbsp;incurred in the ordinary course of business to secure the performance of tenders,
statutory obligations (other than excise taxes), surety, stay, customs and appeal bonds, statutory
bonds, bids, leases, government contracts, trade contracts, performance and return of money bonds
and other similar obligations (exclusive of obligations for the payment of borrowed money) or
(c)&nbsp;arising by virtue of deposits made in the ordinary course of business to secure liability for
premiums to insurance carriers; <U>provided</U> that with respect to clauses (a), (b)&nbsp;and (c)&nbsp;of
this clause (v), such Liens are for amounts not yet due and payable or, to the extent such amounts
are so due and payable, such amounts are being contested in good faith and a reserve or other
appropriate provision, if any, as required by GAAP is made therefor in the Closing Balance Sheet
and such Liens are disclosed in the Sellers&#146; Disclosure Schedules.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Person</U>&#148; or &#147;<U>person</U>&#148; means any natural person, firm, corporation, partnership,
limited liability company, trust, joint venture, association or other organization which has a
legal existence under the Laws of its jurisdiction of formation which is separate from its owner or
owners and any Governmental Authority.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Phase I ESA</U>&#148; has the meaning set forth in <U>Section&nbsp;6.1(b)</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Phase II ESA</U>&#148; has the meaning set forth in <U>Section&nbsp;6.1(b)</U> of this Agreement.
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Potentially Material Environmental Condition</U>&#148; means an Environmental Condition for
which applicable Environmental Law requires notice to any Person, further investigation or any form
of response or Remedial Action, any or all of which would reasonably be expected to exceed $50,000.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Pressure Pumping Assumed Contracts</U>&#148; means the Contracts related to the Pressure
Pumping Business identified on <U>Schedule&nbsp;2.1(b)-1</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Pressure Pumping Business</U>&#148; means Seller A&#146;s business of utilizing pressure pumping
and fracturing equipment to provide the following services to customers in the oil and natural gas
exploration and production industry: primary cementing services and fracturing (regardless of fluid
type used) and acidizing well stimulation services. For the avoidance of doubt, the Pressure
Pumping Business does not include (i)&nbsp;any operations outside of the United States, (ii)&nbsp;any
operations in the State of California, (iii)&nbsp;coiled tubing services, including nitrogen and
acidizing services performed in conjunction therewith, (iv)&nbsp;plugging and abandonment services; (v)
acidizing services ancillary to the performance of fluid management services provided by an
affiliate of Seller A or (vi)&nbsp;any pressure pumping services associated with cementing other than
primary cementing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Pressure Pumping Equipment and Machinery</U>&#148; means the equipment and machinery used in
or related to the operation of the Pressure Pumping Business, including such equipment and
machinery identified on <U>Schedule&nbsp;2.1(a)-1</U> and the Pressure Pumping Scrap Equipment other
than any Pressure Pumping Scrap Equipment constituting Non-Conveyed Scrap Equipment.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Pressure Pumping Scrap Equipment</U>&#148; means the Scrap Equipment related to the Pressure
Pumping Business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Pressure Pumping Vehicles</U>&#148; means the motor vehicles used in or related to the
operation of the Pressure Pumping Business identified on <U>Schedule&nbsp;2.1(c)-1</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Purchase Price</U>&#148; has the meaning set forth in <U>Section&nbsp;2.6</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Purchased Assets</U>&#148; has the meaning set forth in <U>Section&nbsp;2.1</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Purchased Business</U>&#148; means the Pressure Pumping Business and the Wireline Business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Qualifying Business Employees</U>&#148; has the meaning set forth in <U>Section&nbsp;8.4(a)</U> of
this Agreement
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Records</U>&#148; means books of record and account, Contracts, commitments and files, Tax,
accounting, personnel and other records, manuals, training materials, guidelines, plans, brochures
and marketing materials and product and service catalogs, including in electronic form.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Release</U>&#148; means any spill, emission, leaking, pumping, injection, deposit, disposal,
discharge, dispersal, leaching or migrating of any Hazardous Materials in, into, onto, or through
the environment (including ambient air, surface water, ground water, soils, land surface or
subsurface strata).
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Remedial Action</U>&#148; or &#147;<U>Remediate</U>&#148; means the removal, abatement, response,
investigative, cleanup or monitoring activities undertaken to address any Environmental Conditions
or a Release, and any investigation, study, assessment, testing, monitoring, containment, removal,
disposal, closure, corrective action, passive remediation, natural attenuation or bioremediation,
and the installation and operation of remediation systems to address such Environmental Conditions
or Release; <U>provided</U>, <U>however</U>, in no event shall these activities be deemed to
include the cleanup, investigation, study, assessment, measurement, removal, or treatment of any
Hazardous Materials present in naturally-occurring levels.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Representatives</U>&#148; means, with respect to a person, such person&#146;s directors, officers,
employees and other agents and such person&#146;s legal, financial, accounting and other advisors.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Retained Liabilities</U>&#148; has the meaning set forth in <U>Section&nbsp;2.5</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Restricted Period</U>&#148; has the meaning set forth in <U>Section&nbsp;6.4(a)</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Retained Marks</U>&#148; means all Marks owned or used by Sellers or any of their Affiliates,
including rights to the &#147;Key&#148; name and marks other than the Transferred Intellectual Property.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Scrap Equipment</U>&#148; means assets with respect to which management of Sellers has
reasonably concluded that the costs of repair exceed the value thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Seller</U>&#148; and &#147;<U>Sellers</U>&#148; has the meaning set forth in the Preamble of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Seller A</U>&#148; has the meaning set forth in the Preamble of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Seller B</U>&#148; has the meaning set forth in the Preamble of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Sellers Environmental Liabilities</U>&#148; has the meaning set forth in <U>Section
13.3(a)</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Seller Lease Agreements</U>&#148; means written lease agreements containing the material terms
identified in (i) <U>Exhibit&nbsp;C</U> to this Agreement between an Affiliate of Sellers, as tenant,
and Buyer, as landlord, relating to the Chico, Texas service facility used in the Pressure Pumping
Business and (ii) <U>Exhibit&nbsp;D</U> to this Agreement between an Affiliate of Sellers, as tenant,
and Buyer, as Landlord, relating to the Heber Springs, Arkansas service facility used in the
Wireline Business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Seller Parent</U>&#148; has the meaning set forth in the Preamble of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Seller Plans</U>&#148; means the Employee Benefit Plans of Seller Parent in which the Business
Employees participate.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Sellers&#146; Disclosure Schedules</U>&#148; has the meaning set forth in <U>Section&nbsp;6.6</U> of
this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Shared Use Assets</U>&#148; means any assets used in both the Purchased Business and any other
business of Sellers and their Affiliates and listed or described on <U>Schedule&nbsp;2.3(j)</U>.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Straddle Period</U>&#148; means any Tax period or year commencing on or before and ending
after the Closing Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Survival Periods</U>&#148; has the meaning set forth in <U>Section&nbsp;13.5(a)</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Tax</U>&#148; or &#147;<U>Taxes</U>&#148; means any taxes, assessments, fees and other governmental
charges imposed by any Governmental Authority, including income, profits, gross receipts, net
proceeds, alternative or add-on minimum, ad valorem, real property (including assessments, fees or
other charges imposed by any Governmental Authority that are based on the use or ownership of real
property), value added, turnover, sales, use, property, personal property (tangible and
intangible), environmental, stamp, leasing, lease, user, excise, duty, franchise, capital stock,
transfer, registration, license, withholding, social security (or similar), unemployment,
disability, payroll, employment, fuel, excess profits, occupational, premium, windfall profit,
severance, estimated or other charge of any kind whatsoever, including any interest, penalty or
addition thereto, whether disputed or not, including any item for which liability arises by
contract or as a transferee or successor.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Tax Return</U>&#148; means any return, declaration, report, claim for refund or information
return or statement relating to Taxes, including any schedule or attachment thereto, and including
any amendment thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Taxing Authority</U>&#148; means, with respect to any Tax, the Governmental Authority that
imposes such Tax and the agency (if any) charged with the collection of such Tax for such
Governmental Authority, including the IRS.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Territory</U>&#148; has the meaning set forth in <U>Section&nbsp;6.4(a)</U> of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Third Party Claim</U>&#148; has the meaning set forth in <U>Section&nbsp;13.2(a)</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Title Company</U>&#148; means a title company mutually agreeable to Buyer and Sellers.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Title Policy</U>&#148; or &#147;<U>Title Policies</U>&#148; means owner&#146;s policy or policies of title
insurance in form and substance reasonably satisfactory to Buyer, issued by the Title Company in
Buyer&#146;s favor and in an amount equal to the applicable Allocated Value, insuring Buyer&#146;s fee simple
title to the Transferred Owned Real Property, subject only to Permitted Liens.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transaction Documents</U>&#148; means this Agreement, the Assumption Agreement, the Seller
Lease Agreements, the Buyer Lease Agreement and the Transition Services Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transferred Intellectual Property</U>&#148; means the Intellectual Property used in or related
to the operation of the Purchased Business identified on <U>Schedule&nbsp;2.1(f)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transferred Leased Real Property</U>&#148; means the tracts of real property used in or
related to the operation of the Purchased Business identified on <U>Schedule&nbsp;2.1(e)</U>, unless
removed from among the Purchased Assets pursuant to <U>Section&nbsp;6.1</U>, <U>Section&nbsp;6.2</U> or
<U>Section&nbsp;8.2</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transferred Leases</U>&#148; means all of the leases identified on <U>Schedule&nbsp;2.1(e)</U>,
unless removed from among the Purchased Assets pursuant to <U>Section&nbsp;6.1</U>, <U>Section&nbsp;6.2</U>
or <U>Section&nbsp;8.2</U>.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transferred Owned Real Property</U>&#148; means the tracts of real property used in or related
to the operation of the Purchased Business identified on <U>Schedule&nbsp;2.1(d)</U>, unless removed
from among the Purchased Assets pursuant to <U>Section&nbsp;6.1</U>, <U>Section&nbsp;6.2</U> or <U>Section
8.2</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transferred Permits</U>&#148; means the Permits used in the operation of the Purchased
Business identified on <U>Schedule&nbsp;2.1(g)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transferred Real Property</U>&#148; means the Transferred Owned Real Property and the
Transferred Leased Real Property.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transition Services Agreement</U>&#148; means a written Transition Services Agreement
containing the material terms identified in <U>Exhibit&nbsp;B</U> to this Agreement between Buyer,
Sellers and Seller Parent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Transitioned Employees</U>&#148; has the meaning set forth in <U>Section&nbsp;8.4(a)</U> of this
Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Treasury Regulations</U>&#148; shall mean the regulations promulgated by the United States
Department of the Treasury pursuant to and in respect of provisions of the Code. All references
herein to Sections of the Treasury Regulations shall include any corresponding provision or
provisions of Treasury Regulations hereafter proposed or adopted.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Vehicles</U>&#148; means the Pressure Pumping Vehicles and the Wireline Vehicles.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Wireline Assumed Contracts</U>&#148; means the Contracts related to the Wireline Business
identified on <U>Schedule&nbsp;2.1(b)-2</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Wireline Business</U>&#148; means Seller B&#146;s business of utilizing electric wireline equipment
to provide the following services to customers in the oil and natural gas exploration and
production industry: perforating, completion logging, production logging and casing integrity
services. For the avoidance of doubt, the Wireline Business does not include (i)&nbsp;any operations
outside of the United States, (ii)&nbsp;any operations in the State of California or (iii)&nbsp;plugging and
abandonment services.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Wireline Equipment and Machinery</U>&#148; means the equipment and machinery used in or
related to the operation of the Wireline Business, including the equipment and machinery identified
on <U>Schedule&nbsp;2.1(a)-2</U>and the Wireline Scrap Equipment other than any Wireline Scrap
Equipment constituting Non-Conveyed Scrap Equipment.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Wireline Scrap Equipment</U>&#148; means the Scrap Equipment used in or related to the
Wireline Business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Wireline Vehicles</U>&#148; means the motor vehicles used in or related to the operation of
the Wireline Business identified on <U>Schedule&nbsp;2.1(c)-2</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;1.2 <U>Rules of Interpretation</U>. The following provisions shall be applied
wherever appropriate herein:
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) &#147;herein,&#148; &#147;hereby,&#148; &#147;hereunder,&#148; &#147;hereof,&#148; &#147;hereto&#148; and other equivalent words shall
refer to this Agreement as an entirety and not solely to the particular portion of this Agreement
in which any such word is used;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) &#147;or&#148; is used in the inclusive sense of &#147;and/or&#148;;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) &#147;including&#148; means &#147;including without limitation&#148; and is a term of illustration and not of
limitation;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;all definitions set forth herein shall be deemed applicable whether the words defined are
used herein in the singular or the plural;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;wherever used herein, any pronoun or pronouns shall be deemed to include both the
singular and plural and to cover all genders;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;this Agreement and the other Transaction Documents have been jointly prepared by the
parties hereto and thereto, and neither this Agreement nor any other agreement, document or
instrument referred to herein or executed and delivered in connection herewith shall be construed
against any person as the principal draftsperson hereof or thereof;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;the section headings appearing in this Agreement are inserted only as a matter of
convenience and in no way define, limit, construe or describe the scope or extent of such section,
or in any way affect this Agreement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;any reference herein to a particular Section, Article, Exhibit or Schedule means a
Section or Article of, or an Exhibit or Schedule to, this Agreement unless otherwise expressly
stated herein;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;the Exhibits and Schedules attached hereto are incorporated herein by reference and shall
be considered part of this Agreement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;unless otherwise specified herein, all accounting terms used herein shall be interpreted,
and all determinations with respect to accounting matters hereunder shall be made, in accordance
with GAAP, applied on a consistent basis; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k)&nbsp;all references to days shall mean calendar days unless otherwise provided.
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE II<BR>
SALE AND PURCHASE</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.1 <U>Purchase and Sale of Purchased Assets</U>. Subject to the terms and
conditions of this Agreement, each of Seller A and Seller B hereby agrees to grant, sell, convey,
transfer, assign and deliver to Buyer, and Buyer hereby agrees to purchase and acquire, all right,
title and interest in and to all of the assets of the Pressure Pumping Business and Wireline
Business of the Sellers, other than the Excluded Assets, including (collectively, the
&#147;<U>Purchased Assets</U>&#148;):
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;the Equipment and Machinery;
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;the Assumed Contracts;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;the Vehicles;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;the Transferred Owned Real Property;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;the Transferred Leases;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;the Transferred Intellectual Property;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;the Transferred Permits, to the extent lawfully transferable;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;the Inventory;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;the Records related to the Purchased Assets and the Assumed Obligations;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;all Claims, demands and judgments of Sellers of whatever nature and whether known or
unknown, arising under or related to the Purchased Assets against third parties, including
insurance claims and manufacturer&#146;s equipment or construction warranties, in each case arising or
attributable to the period before the Effective Time that relate to or arise out of operation of
the Purchased Assets, to the extent that the same do not otherwise relate to Excluded Assets or
Retained Liabilities; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k)&nbsp;the goodwill of the Purchased Business.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Purchased Assets will be transferred to Buyer free of any and all Liens, other than
Permitted Liens.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.2 <U>Instruments of Conveyance and Transfer</U>. Each Seller agrees that it will
execute, acknowledge and deliver to Buyer such good and sufficient instruments of sale, conveyance,
transfer and assignment as shall be effective to vest in Buyer all right, title and interest in and
to the Purchased Assets, free and clear of all Liens, other than Permitted Liens.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.3 <U>Excluded Assets</U>. The assets of Sellers on the Closing Date that are
listed below shall be excluded from the Purchased Business (the &#147;<U>Excluded Assets</U>&#148;) and
shall be retained by Sellers and shall not be transferred to or purchased by Buyer:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;the Accounts Receivable and other categories of current assets of the Purchased Business,
including cash, notes receivable and prepaid current assets, that would exist on a balance sheet
of the Purchased Business prepared in accordance with GAAP as of the Effective Time consistent
with past practices, but excluding the Inventory;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;the Capital Stock of any person, including Key Energy Services S.A.;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;any Marks, including the Retained Marks;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;any assets related to the coiled tubing services business of Seller A;
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;any assets (other than the Transferred Intellectual Property) related to any operations
outside of the United States or in the State of California;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;any bank, brokerage and similar accounts and any cash or cash equivalents therein;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;any agreement, note or instrument between Seller A and Geostream Services Group LLC or
any of its Affiliates;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;Sellers&#146; rights under this Agreement and the other Transaction Documents;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;all Records exclusively related to the Excluded Assets and the Retained Liabilities;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;any Tax refund related to the Purchased Assets or the Purchased Business for any Tax
period (or portion thereof) ending on or prior to the Closing Date;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k)&nbsp;any Shared Use Assets; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(l)&nbsp;those assets set forth on <U>Schedule&nbsp;2.3(l)</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.4 <U>Buyer&#146;s Assumed Obligations</U>. Buyer hereby agrees to assume, pay and
discharge, when due, the following Liabilities related to the Purchased Business and the Purchased
Assets (such assumed Liabilities being referred to as the &#147;<U>Assumed Obligations</U>&#148;):
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;all Liabilities (other than Environmental Liabilities) under the Assumed Contracts
(including the leases associated with the Transferred Leased Real Property), and all Liabilities
under the Transferred Permits, in each case, to the extent relating to or arising from events,
facts or circumstances arising or occurring following the Effective Time;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;all Liabilities (other than Environmental Liabilities) associated with the Purchased
Assets or Purchased Business to the extent relating to or arising from events, facts or
circumstances arising or occurring following the Effective Time;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;all Environmental Liabilities relating to or arising from the ownership, operation or use
of the Purchased Assets or Purchased Business at the Transferred Real Property, in each case
arising from events, facts or circumstances arising or occurring before the Effective Time, except
to the extent the same are Retained Liabilities as set forth in <U>Section&nbsp;2.5(e)</U>,
<U>(g)</U> or <U>(h)</U>;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;all Environmental Liabilities arising from Buyer&#146;s operation or use of the Purchased
Assets or Purchased Business to the extent relating to or arising from events, facts or
circumstances arising or occurring after the Effective Time;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;the employment-related Liabilities assumed by or allocated to Buyer pursuant to Section
8.4; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;the Liabilities for Taxes allocated to Buyer pursuant to Article&nbsp;IX.
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.5 <U>Retained Liabilities</U>. Buyer shall not be liable for and shall not assume
any, and Sellers hereby jointly and severally agree to pay and discharge, when due, all Liabilities
associated with the Purchased Assets and the Purchased Business other than the Assumed Obligations
(collectively, the &#147;<U>Retained Liabilities</U>&#148;), including:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;any Liabilities associated with the Excluded Assets;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;any current liabilities related to the Purchased Business, including accounts and notes
payable, customer deposits and accrued expenses, sales taxes payable, accrued payroll and payroll
taxes and other current accrued liabilities that would exist on a balance sheet of the Purchased
Business prepared in accordance with GAAP as of the Effective Time consistent with past practices;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;all Liabilities associated with the items listed or described in <U>Schedule&nbsp;4.17</U>;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;all Liabilities (other than Environmental Liabilities) under the Assumed Contracts and
Transferred Leases to the extent relating to or arising from events, facts or circumstances
arising or occurring prior to the Effective Time;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;any fines or penalties arising from or related to the failure of Sellers or any of their
Affiliates to comply with applicable Environmental Laws or Environmental Permits, or the failure
to obtain an Environmental Permit, in each case prior to the Effective Time;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) (Reserved)
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;all Environmental Liabilities in connection with the off-site shipment, transfer,
treatment, recycling, storage or disposal of Hazardous Materials generated from the operations of
any of the Transferred Real Property, the Purchased Assets or the Purchased Business prior to the
Effective Time;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;all Environmental Liabilities in connection with the operation of the Transferred Real
Property, Purchased Assets or Purchased Business by Sellers or any of their Affiliates to the
extent relating to or arising from events, facts or circumstances arising or occurring before the
Effective Time, other than all costs of Remedial Action arising from or related to the Release of
Hazardous Materials at the Transferred Real Property prior to the Effective Time;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;all Liabilities associated with the Seller Plans and any other employment-related
Liabilities retained by or allocated to Sellers pursuant to <U>Section&nbsp;8.4</U>; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;except as otherwise provided in <U>Article&nbsp;IX</U>, any and all Liabilities for Taxes of
Sellers, including any and all Liabilities for Taxes related to the Purchased Business or
the Purchased Assets for any Tax period (or portion thereof) ending on and including, or
before, the Closing Date.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For the avoidance of doubt, nothing in this <U>Section&nbsp;2.5</U> shall nullify or otherwise
limit Sellers&#146; obligations and agreements in <U>Section&nbsp;13.3(a)</U> of this Agreement.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.6 <U>Purchase Price</U>. The aggregate purchase price for the Purchased Assets
shall be $237,700,000 (the &#147;<U>Purchase Price</U>&#148;), which shall be payable in cash by Buyer to
Sellers, as adjusted pursuant to <U>Section&nbsp;2.9</U> and the other applicable sections hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.7 <U>Allocation of Purchase Price</U>. For Tax purposes, Buyer and Sellers agree
to allocate the Purchase Price and the Assumed Obligations among the Purchased Assets in accordance
with the procedures set forth on <U>Schedule&nbsp;2.7</U> (such allocation of the Purchase Price and
the Assumed Obligations is referred to herein as the &#147;<U>Asset Allocation</U>&#148;). Buyer and
Sellers further agree to comply with all filing, notice and reporting requirements described in
Section&nbsp;1060 of the Code and the Treasury Regulations promulgated thereunder, including the timely
preparation and filing of Form&nbsp;8594 based on the Asset Allocation. Buyer and Sellers hereby agree
that they will report the federal, state, foreign and other Tax consequences of the transactions
contemplated by this Agreement in a manner consistent with the Asset Allocation.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.8 <U>Preparation of Inventory Certificate</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Within 90&nbsp;days after the Closing Date, Sellers will cause to be prepared and delivered to
Buyer a calculation of the value of the Closing Date Inventory together with a certificate setting
forth Sellers&#146; calculation of Closing Date Inventory (the &#147;<U>Inventory Certificate</U>&#148;) and
include a worksheet which demonstrates in reasonable detail how such amount was calculated. The
calculation of the value of the Closing Date Inventory shall be done as of the Effective Time in
accordance with GAAP and, to the extent consistent with GAAP, in accordance with the methods used
to prepare the Balance Sheet.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;If Buyer disagrees with Sellers&#146; calculation of Closing Date Inventory set forth in the
Inventory Certificate and such disagreement results in a discrepancy that exceeds $50,000, Buyer
may, within 30&nbsp;days after delivery of the Inventory Certificate, deliver a notice to Sellers
disagreeing with such calculation. Any such notice of disagreement shall specify those items or
amounts as to which Buyer disagrees and its proposed computation of Closing Date Inventory. Buyer
shall be deemed to have agreed with all other items and amounts contained in the Inventory
Certificate.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;If a notice of disagreement shall be duly delivered pursuant to <U>Section&nbsp;2.8(b)</U>,
Buyer and Sellers shall, during the 30&nbsp;days following such delivery, negotiate reasonably and in
good faith to reach agreement on the items or amounts disputed by Buyer in Buyer&#146;s notice of
disagreement. If, during such 30&nbsp;day period, Buyer and Sellers are unable to reach such agreement,
either party may thereafter cause the Designated Accountants to review this Agreement and the
disputed items or amounts for the purpose of calculating Closing Date Inventory. In making such
calculation, the Designated Accountants shall consider only those items or amounts in the Inventory
Certificate and worksheet or in Buyer&#146;s calculation of Closing Date Inventory as to which Buyer has
disagreed in the notice of disagreement delivered pursuant
to <U>Section&nbsp;2.8(b)</U> and for which no agreement has been reached during the 30&nbsp;day period
provided for above. Such Designated Accountants shall deliver to Buyer and Sellers, as promptly as
practicable, a report setting forth such calculation. Such report shall be final and binding upon
Buyer and Sellers. The cost of such Designated Accountants&#146; review and report shall be borne (i)
by Buyer if the difference between Final Closing Date Inventory and Buyer&#146;s calculation of Closing
Date Inventory delivered pursuant to <U>Section&nbsp;2.8(b)</U> is greater than the
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">difference between
Final Closing Date Inventory and Sellers&#146; calculation of Closing Date Inventory set forth in the
Inventory Certificate, (ii)&nbsp;by Sellers if the first such difference is less than the second such
difference and (iii)&nbsp;otherwise, equally by Buyer, on the one hand, and Sellers, on the other.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Buyer and Sellers shall cooperate and assist each other in the preparation of the
calculation of Closing Date Inventory and in the conduct of the audits and reviews referred to in
this <U>Section&nbsp;2.8</U>, including the making available to the extent necessary of relevant
Records and personnel. Buyer and its representatives shall be permitted to review Sellers&#146; working
papers and any working papers of Sellers&#146; independent accountants, if any, directly relating to the
preparation of the Closing Date Inventory and the Inventory Certificate, and shall make reasonably
available the individuals in their employ directly responsible for and knowledgeable about the
information used in, and the preparation or calculation (as applicable) of the Closing Date
Inventory and the Inventory Certificate in order to respond to the reasonable inquiries of Buyer.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.9 <U>Post-Closing Payments and Adjustments to Purchase Price</U>. Within 5&nbsp;days
after Final Closing Date Inventory has been determined, either by the passage of 30&nbsp;days following
delivery of the Inventory Certificate without the delivery by Buyer of a notice of disagreement or,
following resolution of such notice of disagreement, in accordance with <U>Section&nbsp;2.8(c)</U>, (i)
Sellers shall, if Final Closing Date Inventory is less than Base Inventory, jointly and severally
pay to Buyer the amount of such deficiency or (ii)&nbsp;Buyer shall, if Final Closing Date Inventory
exceeds Base Inventory, pay to Sellers the amount of such excess, either such payment to be made by
wire transfer of immediately available funds.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE III<BR>
CLOSING</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.1 <U>Closing</U>. The closing (the &#147;<U>Closing</U>&#148;) of the purchase and sale of
the Purchased Assets and the assumption of the Assumed Obligations shall be held at the offices of
Bracewell &#038; Giuliani LLP, 711 Louisiana Street, Suite&nbsp;2300, Houston, Texas, at 9:00 a.m. on
September&nbsp;3, 2010, or, if the conditions to the Closing set forth in <U>Articles X</U> and
<U>XI</U> shall not have been satisfied by such date, as soon as practicable after such conditions
shall have been satisfied. The date on which the Closing shall occur is hereinafter referred to as
the &#147;<U>Closing Date</U>.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.2 <U>Deliveries by Buyer to Sellers</U>. At the Closing, Buyer shall deliver or
cause to be delivered to Sellers:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;the Purchase Price by wire transfer of immediately available funds to such account or
accounts as Sellers shall have specified in writing to Buyer prior to the Closing Date;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;the Assumption Agreement duly executed by Buyer pursuant to which Buyer assumes the
Assumed Obligations;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;the Transition Services Agreement duly executed by Buyer;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;the Buyer Lease Agreement duly executed by Buyer;
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;the Seller Lease Agreements duly executed by Buyer; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;all other documents, instruments and writings required to be delivered by Buyer at or
prior to the Closing pursuant to this Agreement (including <U>Section&nbsp;11.1</U>) or otherwise
reasonably requested by Sellers in connection herewith.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.3 <U>Deliveries by Sellers to Buyer</U>. At the Closing, Sellers shall deliver or
cause to be delivered to Buyer:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;bills of sale and other necessary instruments of transfer to validly vest in Buyer the
Purchased Assets on the Closing Date free and clear of all Liens other than Permitted Liens;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;counterparts to the Assumption Agreement duly executed by each Seller;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;counterparts to the Transition Services Agreement duly executed by each Seller and Seller
Parent;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;counterparts to the Buyer Lease Agreement duly executed by the applicable Affiliate of
Sellers;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;counterparts to the Seller Lease Agreements duly executed by the applicable Affiliate of
Sellers;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;a certificate of non-foreign status which meets the requirements of Treasury Regulation
Section&nbsp;1.1445-2(b)(2) and is reasonably acceptable to Buyer duly executed by Seller Parent;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;assignments of the Transferred Leases executed by the applicable Seller with respect to
the Transferred Leased Property, in form and substance reasonably satisfactory to Buyer;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;all consents to assignments of the Assumed Contracts as have been obtained by Sellers as
of the Closing Date;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;the Title Policies;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;deeds conveying such title as the applicable Seller or its Affiliate received when it
acquired such properties, in form and substance reasonably satisfactory to Buyer, conveying the
Transferred Real Property to Buyer, free and clear of all Liens, other than Permitted Liens; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k)&nbsp;all other documents, instruments and writings required to be delivered by Sellers at or
prior to the Closing pursuant to this Agreement (including <U>Section&nbsp;10.1</U>) or otherwise
reasonably requested by Buyer in connection herewith.
</DIV>





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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE IV<BR>
REPRESENTATIONS AND WARRANTIES<BR>
AS TO SELLERS, SELLER PARENT AND THE PURCHASED BUSINESS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Except as set forth in the applicable portion of the Sellers&#146; Disclosure Schedules, each of
each Seller and Seller Parent, jointly and severally, as of the date hereof and as of the Closing
Date hereby represents and warrants to Buyer and Buyer Parent as follows:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.1 <U>Organization</U>. Seller A is a limited liability company duly organized,
validly existing and in good standing under the Laws of the State of Texas. Seller B is a limited
liability company duly organized, validly existing and in good standing under the Laws of the State
of Delaware. Seller Parent is a corporation duly organized, validly existing and in good standing
under the Laws of the State of Maryland.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.2 <U>Power and Authority; Authorization; Enforceability</U>. Each Seller and
Seller Parent has all necessary company power and authority to enter into and perform its
obligations under this Agreement and the other Transaction Documents to which it is a party and to
consummate the transactions contemplated hereby and thereby. This Agreement and each of the other
Transaction Documents have been duly authorized and have been, or in the case of the Transaction
Documents to be executed and delivered at the Closing, will be, duly executed and delivered by each
Seller and Seller Parent and constitute or, upon the execution and delivery thereof, will
constitute, valid and binding obligations of each Seller and Seller Parent, enforceable in
accordance with their respective terms, except as enforcement may be limited by bankruptcy,
insolvency, fraudulent transfer, reorganization, moratorium and similar Laws relating to or
affecting creditors&#146; rights generally and by general principles of equity (regardless of whether
such enforceability is considered in a proceeding in equity or at Law).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.3 <U>No Conflicts; Consents</U>. Except as set forth in <U>Schedule&nbsp;4.3</U>, the
execution, delivery and performance by each Seller and Seller Parent of this Agreement and the
other Transaction Documents to which it is a party do not, and the consummation by each Seller of
the transactions contemplated hereby and thereby will not, result in any violation of or default
under (with or without notice or lapse of time, or both) any provision of (i)&nbsp;the Organizational
Documents of such Seller or Seller Parent, (ii)&nbsp;any Assumed Contract or (iii)&nbsp;any Contract to which
such Seller or Seller Parent is a party or by which any of its properties or assets are bound or
(iv)&nbsp;any Permit, Order or Law applicable to such Seller or Seller Parent or its properties or
assets, except in the cases of clauses (ii), (iii)&nbsp;and (iv)&nbsp;any such matter as would not reasonably
be expected to have a material adverse effect on (A)&nbsp;the business, financial condition, assets,
properties or results of operations of the Purchased Business, taken as a whole, or (B)&nbsp;the ability
of Sellers to consummate the transactions contemplated hereby. Except (i)&nbsp;for filings required
under the HSR Act and (ii)&nbsp;as set forth in <U>Schedule&nbsp;4.3</U>, no Permit of, or registration,
declaration or filing with, any Governmental Authority or any other person is required to be
obtained or made by or with respect to Sellers or Seller Parent in connection with the execution,
delivery and performance of this Agreement and the other Transaction Documents or the consummation
of the transactions contemplated hereby and thereby other than any such matter the failure to
obtain or make which would not result in a Material Adverse Effect.
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.4 <U>Litigation; Orders</U>. There are no Orders or Legal Proceedings, whether
completed, pending or, to Sellers&#146; Knowledge, threatened, that question the validity of this
Agreement or any action taken or to be taken by Sellers or Seller Parent in connection with, or
which seek to enjoin or to obtain monetary damages in respect of, this Agreement or the
consummation by Sellers or Seller Parent of the transactions contemplated hereby or which otherwise
threaten Sellers&#146; or Seller Parent&#146;s ability to consummate the transactions contemplated hereby.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.5 <U>Fees</U>. Neither Sellers nor Seller Parent has paid or become obligated to
pay any fee or commission to any broker, finder or intermediary in connection with the transactions
contemplated hereby for which Buyer shall have any liability or responsibility.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.6 <U>Financial Statements; Liabilities</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Schedule&nbsp;4.6</U> contains complete and accurate copies of (i)&nbsp;the combined unaudited
financial statements (including a balance sheet and the related statement of income) of the
Purchased Business as of and for the years ended December&nbsp;31, 2008 and December&nbsp;31, 2009, and (ii)
the combined unaudited financial statements of the Purchased Business as of and for the interim
period ended April&nbsp;30, 2010 (the &#147;<U>Balance Sheet Date</U>&#148;) (including a balance sheet as of
such date (the &#147;<U>Balance Sheet</U>&#148;) and the related statement of income for the 4-month period
then ended) (collectively the &#147;<U>Financial Statements</U>&#148;). The Financial Statements have been
prepared in accordance with generally accepted accounting principles (&#147;<U>GAAP</U>&#148;), applied on
a consistent basis, from the books and records of the Purchased Business and fairly present in all
material respects the financial condition and results of operations of the Purchased Business for
the periods indicated.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Except (i)&nbsp;as set forth in the Financial Statements, (ii)&nbsp;for Liabilities and obligations
incurred in the ordinary course of business, consistent with past practice, since the date of the
Balance Sheet and (iii)&nbsp;for Liabilities that, individually or in the aggregate, would not result
in a Material Adverse Effect, there are no Liabilities of any of Sellers or the Purchased Business
as of the date hereof of any nature or type that would be required under GAAP to be reflected on a
financial statement of the Purchased Business.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.7 <U>Absence of Changes or Events</U>. Except as set forth in <U>Schedule
4.7</U>, since the Balance Sheet Date, there has not been any event, change or occurrence that
would result in a Material Adverse Effect, the Purchased Assets have been operated in the ordinary
and usual course consistent with past practices and Sellers have not taken any of the actions or
engaged in any of the conduct that is proscribed during the period from the date of this Agreement
to the Closing Date by <U>Section&nbsp;6.3</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.8 (Reserved)
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.9 <U>Inventory</U>. The Inventory consists of raw materials and supplies,
manufactured and purchased parts, goods in process and finished goods, all of which is merchantable
and usable in the ordinary course of business, all of which has been reflected in the Balance Sheet
or accounting records of the Purchased Business as of the Closing Date in accordance with GAAP.
The quantities of each item of Inventory (whether raw materials and
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">supplies, manufactured and purchased parts, goods in process or finished goods) are not
excessive, but are reasonable in the present circumstances of the Purchased Business. Each Seller
has good and valid title to its Inventory, free and clear of all Liens other than (i)&nbsp;Liens
securing the Credit Facility and (ii)&nbsp;Permitted Liens.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.10 <U>Assumed Contracts</U>. All of the Assumed Contracts identified on
<U>Schedules 2.1(b)-1</U> and<U>2.1(b)-2</U> (i)&nbsp;are the legal, valid and binding obligations of
each Seller that is a party thereto and, to the Knowledge of Sellers and Seller Parent, the
counterparties thereto, (ii)&nbsp;are enforceable in accordance with their respective terms and (iii),
except as set forth on <U>Schedule&nbsp;4.10</U>, include all of the Material Contracts that relate to
the Purchased Business, the Purchased Assets, the Transitioned Employees and the Assumed
Obligations. Sellers have performed in all material respects all obligations required to be
performed by them to date under each such Assumed Contract. Sellers are not (with or without the
lapse of time or the giving of notice, or both) in breach or default in any material respect under
any Assumed Contract, and have not received notice or have Knowledge that any counterparty to any
such Assumed Contract is alleging that a Seller is in breach or default thereunder. Except as
disclosed in <U>Schedules 2.1(b)-1</U> and <U>2.1(b)-2</U>, each of the Assumed Contracts is
assignable to Buyer without any action on the part of any Seller or the consent of any Person.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.11 <U>Tax Matters</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;All Tax Returns required to be filed by or on behalf of Sellers, including with respect
to the Purchased Assets and the Purchased Business, have been duly filed on a timely basis and
such Tax Returns are complete and correct in all material respects. All Taxes owed by Sellers
(whether or not shown to be due and payable on any Tax Return), including with respect to the
Purchased Assets and the Purchased Business, have been timely paid in full.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;None of the Purchased Assets is subject to any Lien (other than Permitted Liens) for any
Tax.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;There are no audits, examinations, investigations or Claims pending, or to the Knowledge
of Sellers, threatened, with respect to Taxes involving or relating to any Seller, the Purchased
Assets or the Purchased Business. No Claim has been made by any Taxing Authority in any
jurisdiction where any Seller does not file Tax Returns that any Seller is or may be subject to
taxation by that jurisdiction with respect to the Purchased Assets or the Purchased Business, and
there is no basis for any such Claim to be made.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Each Seller has withheld or collected and paid over to the appropriate Taxing Authority
all Taxes required by applicable Law to be withheld or collected, including withholding of Taxes
pursuant to Sections&nbsp;1441 through 1464, 3401 through 3406, 6041 and 6049 of the Code and similar
provisions under any state, local or foreign Law, and each Seller has properly received and
maintained any and all certificates, forms and other documents required by applicable Law for any
exemption from withholding and remitting any Taxes.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;No Seller owns an interest in real property that as a result of the consummation of the
transactions contemplated by this Agreement would result in the imposition of any realty transfer
Tax or similar Tax.
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Notwithstanding anything to the contrary set forth in this <U>Article&nbsp;IV</U>, this <U>Section
4.11</U> and <U>Section&nbsp;4.21</U> contain the sole and exclusive representations and warranties of
Sellers relating to Taxes.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.12 <U>Sufficiency and Condition of and Title to Purchased Assets</U>. Sellers own
and have, or on the Closing Date will own and have, valid title, or otherwise have legally
enforceable rights to use, all of the Purchased Assets (other than the Transferred Real Property,
which is the subject of <U>Section&nbsp;4.14</U>, and the Transferred Intellectual Property, which is
the subject of <U>Section&nbsp;4.15</U>). Except as set forth in <U>Schedule&nbsp;4.12</U>, the Purchased
Assets constitute in all material respects the assets necessary for the conduct of the Purchased
Business as conducted by Sellers during the 12&nbsp;months prior to the date hereof, subject to the
understanding that the Purchased Assets do not include master service agreements with customers,
the Shared Use Assets, or all of the personnel and assets that provide administrative and similar
support services for the Purchased Business. Except for Scrap Equipment and as set forth in
<U>Schedule&nbsp;4.12</U>, the Equipment and Machinery and Vehicles included in the Purchased Assets
having a replacement cost in excess of $100,000 are in good operating condition, repair and working
order, subject to ordinary wear and tear and to occasional mechanical failures not inconsistent in
scope or frequency with those experienced by others in the industry, are usable in the Purchased
Business for the purposes for which they are intended, and have been maintained in accordance with
industry practice.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.13 <U>Equipment and Machinery and Vehicles</U>. Sellers own all of the Equipment
and Machinery and the Vehicles, free and clear of all Liens, other than (i)&nbsp;Liens securing the
Credit Facility, (ii)&nbsp;Permitted Liens and (iii)&nbsp;Liens that will be released at or prior to the
Effective Time. The maintenance records provided to Buyer by Sellers in respect of the Equipment
and Machinery and Vehicles are true and correct in all material respects. Nothing has occurred to
the Equipment and Machinery or the Vehicles since the Balance Sheet Date that would have a Material
Adverse Effect. Since the Balance Sheet Date, no Equipment and Machinery or Vehicles have been
sold or disposed of except through sales in the ordinary course of business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.14 <U>Real Property</U>. The applicable Seller has, in the case of real property
located in the state of Texas, good and indefeasible title and, in the case of real property
located elsewhere, good and marketable title to the fee or leasehold estates (as applicable) in all
Transferred Owned Real Property and Transferred Leased Real Property, in each case free and clear
of all Liens other than Permitted Liens. Each of the Transferred Leases is valid, in full force
and effect and is enforceable against the landlord that is party thereto in accordance with its
terms. There exists no default or event of default on the part of any Seller or any of its
Affiliates or, to the Knowledge of Sellers, on the part of any other party under any of the
Transferred Leases. Sellers have made available to Buyer complete and correct copies of all
Transferred Leases, including any and all amendments or modifications thereto, and no term or
condition of any of the Transferred Leases has been waived, modified or amended except as reflected
in such copies. Each of the Transferred Leases constitutes the entire agreement of the landlord
and tenant thereunder. There are no pending or, to the Knowledge of Sellers, threatened
condemnation proceedings or other Legal Proceedings relating to any Transferred Owned Real Property
or Transferred Leased Real Property or other matters affecting materially and adversely the current
use, occupancy or value thereof and there are no Contracts (other than Permitted Liens) granting to
any party or parties other than Sellers the right of use or occupancy of any
</DIV>




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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">such parcel, and there are no parties other than Sellers in possession of any such parcel.
There are no outstanding options, rights of first offer or rights of first refusal to purchase the
Transferred Owned Real Property or, to the Knowledge of Sellers and Seller Parent, the Transferred
Leased Real Property or any portion thereof or interest therein other than in favor of Sellers,
which such purchase options and rights shall be fully and unconditionally assigned to Buyer at
Closing.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.15 <U>Intellectual Property</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Sellers or their applicable Affiliates own the Transferred Intellectual Property or, to
the Knowledge of Sellers, have valid licenses to use same free and clear of all Liens, other than
(i)&nbsp;Liens securing the Credit Facility and (ii)&nbsp;Permitted Liens.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;There are no Claims or Legal Proceedings pending or, to the Knowledge of Sellers,
threatened, alleging that the Purchased Business infringes, misappropriates, misuses, interferes
with or otherwise violates any Intellectual Property of any other person and, to the Knowledge of
Sellers, there is no basis for any such Claim. To the Knowledge of Sellers, the operation of the
Purchased Business as currently conducted has not and does not infringe, misappropriate, misuse,
interfere with or otherwise violate any Intellectual Property of any other person. To the
Knowledge of Sellers, no third person has infringed, misappropriated, misused, interfered with or
otherwise violated any of the Transferred Intellectual Property.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;With respect to each item of Transferred Intellectual Property, (i)&nbsp;the item is in good
standing and, to the Knowledge of Sellers, is valid and enforceable; (ii)&nbsp;all registrations for
copyrights and patent rights included in the Transferred Intellectual Property as set forth in
<U>Schedule&nbsp;2.1(f)</U> are in full force and, to the Knowledge of Sellers, valid; (iii)&nbsp;no
action, suit, proceeding, hearing, investigation, charge, complaint, claim or demand is pending,
or to the Knowledge of Sellers, threatened, that challenges the legality, validity,
enforceability, registration, use or ownership of the Transferred Intellectual Property; and (iv)
except as set forth in <U>Schedule&nbsp;2.1(f)</U>, the applicable Seller has the sole and exclusive
right to bring actions for infringement, misappropriation or unauthorized use of the item.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.16 <U>Compliance with Laws</U>. Except as set forth in <U>Schedule&nbsp;4.16</U>, each
Seller is in compliance in all material respects with all Laws applicable to such Seller or to the
conduct of its business or operations that are included in the Purchased Business or the use of its
assets that are included in the Purchased Assets. Neither Seller has received any written
communication during the past three years from a Governmental Authority or other Person that
remains unresolved that alleges that the operation of the Purchased Assets is not in compliance in
any material respect with, or may be subject to liability under, any Laws. This <U>Section
4.16</U> does not relate to Tax matters, which are instead the subject of <U>Section&nbsp;4.11</U>, to
employment and employee benefits matters, which are instead the subject of <U>Sections&nbsp;4.20 and
4.21</U>, or to environmental, health and safety matters, which are instead the subject of
<U>Section&nbsp;4.22</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.17 <U>Legal Proceedings; Orders</U>. <U>Schedule&nbsp;4.17</U> describes all Legal
Proceedings and, to Sellers&#146; Knowledge, all inquiries or investigations by any Governmental
Authority pending or threatened against a Seller related to the Purchased Business, the Purchased
Assets, the Transitioned Employees or the Assumed Obligations. No Seller is a party or subject to
or in
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">default under any Order of any Court or Governmental Authority applicable to the Purchased
Assets that would result in a Material Adverse Effect. Except as set forth in <U>Schedule
4.17</U>, as of the date of this Agreement, there are no Legal Proceedings by a Seller pending
against any other person related to the Purchased Business, Purchased Assets, Transitioned
Employees or the Assumed Obligations. Except as set forth in <U>Schedule&nbsp;4.17</U>, to the
Knowledge of Sellers, there is no pending or threatened inquiry or investigation of or affecting a
Seller by any Governmental Authority related to the Purchased Assets or the Purchased Business and
neither Seller has received written notice from any Governmental Authority that any such inquiry or
investigation is contemplated.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.18 <U>Permits</U>. Except as set forth in <U>Schedule&nbsp;4.18</U>, all Transferred
Permits are validly held by the applicable Seller, and, except as set forth in <U>Schedule
4.10</U>, are all of the material Permits which are required for such Seller to conduct its
business that is included in the Purchased Business, and such Seller has complied in all material
respects with all terms and conditions thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.19 <U>Employees</U>. <U>Schedule&nbsp;4.19</U> lists as of the date indicated therein
all employees of Sellers and their Affiliates that work in the Purchased Business (the
&#147;<U>Business Employees</U>&#148;), their applicable employer entity and the rates of pay for each and
whether any such employees are absent from active employment, including leave of absence or
disability.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.20 <U>Labor and Employment Matters</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Except as set forth in <U>Schedule&nbsp;4.20</U>, (A)&nbsp;none of the Business Employees are
represented by a labor union, (B)&nbsp;to the Knowledge of Sellers, no union organizational campaign is
in progress with respect to the Business Employees and no labor organizing activities, no demand
by any labor organization for recognition and no petition by a labor organization to be the
exclusive bargaining agent for any Business Employees has been made or has occurred, and (C)&nbsp;there
are no pending, or, to the Knowledge of Sellers, threatened, charges against a Seller or any
current or former employee of a Seller before the Equal Employment Opportunity Commission or any
state or local agency responsible for the prevention of unlawful employment practices.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Each Seller is, and since January&nbsp;1, 2007, has been, in compliance in all material
respects with all Laws relating to the employment of individuals by or with respect to such
Seller, including but not limited to those Laws relating to wages, hours, concerted activity,
non-discrimination, fair employment practices, termination of employment, terms and conditions of
employment, facility closures and layoffs and notice thereof, hiring of non-United States
citizens, occupational health and safety and the payment and withholding of employment-related
Taxes.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding anything to the contrary set forth in this <U>Article&nbsp;IV</U>, this
<U>Section&nbsp;4.20</U> contains the sole and exclusive representations and warranties of Sellers
relating to labor and employment matters.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.21 <U>Employee Benefits</U>. Neither Seller maintains or sponsors any Employee
Benefit Plan. Neither of either Seller nor any Commonly Controlled Entity of either Seller
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">sponsors, maintains or contributes to or has an obligation to contribute to any Employee
Benefit Plan that is subject to Section&nbsp;412 of the Code, Section&nbsp;302 of ERISA or Title IV of ERISA,
and neither of either Seller nor any Commonly Controlled Entity of either Seller has within the
last six years contributed to, had an obligation to contribute to or had any liability with respect
to, any such Employee Benefit Plan. No event has occurred or could reasonably be expected to occur
that would subject Buyer to any liability, Tax, fine, Lien, penalty or other obligation with
respect to an Employee Benefit Plan sponsored, maintained or contributed to by either Seller or any
Commonly Controlled Entity of either Seller imposed by ERISA, the Code or other applicable Law.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding anything to the contrary set forth in this <U>Article&nbsp;IV</U>, this
<U>Section&nbsp;4.21</U> contains the sole and exclusive representations and warranties of Sellers
relating to employee benefit matters and the absence of liabilities with respect thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.22 <U>Environmental Matters</U>. Except as set forth in <U>Schedule&nbsp;4.22</U>:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Sellers have obtained all Environmental Permits necessary for the ownership and operation
of the Purchased Assets and the conduct of the Purchased Business in compliance with Environmental
Laws and Environmental Permits, except as would not reasonably be expected to have an
Environmental Material Adverse Effect. All such Environmental Permits are valid and in full force
and effect, and Sellers are and have been since January&nbsp;1, 2007 in compliance with the terms and
conditions of such Environmental Permits except as would not reasonably be expected to have an
Environmental Material Adverse Effect;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Sellers&#146; ownership, use and operation of the Purchased Assets and Seller&#146;s conduct of the
Purchased Business are and have been since January&nbsp;1, 2005 in compliance with applicable
Environmental Laws, and since January&nbsp;1, 2005 no Environmental Liability has been asserted, filed,
commenced, or in writing threatened against Sellers with respect to the ownership or operation of
the Purchased Assets or Sellers&#146; conduct of the Purchased Business, in each case except as would
not reasonably be expected to have an Environmental Material Adverse Effect;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;No Release has occurred or is occurring at, on, in or under, and, to the Knowledge of
Sellers, no Environmental Conditions existed or exists at, on, in or under, the Transferred Real
Property, for which Environmental Law requires (i)&nbsp;notice to any Person; (ii)&nbsp;further
investigation; or (iii)&nbsp;any form of response or Remedial Action;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;There are no pits, ponds, impoundments, lagoons or other similar areas located on any
Transferred Real Property in which Sellers have disposed any Hazardous Materials;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;Sellers have not installed any underground storage tank at the Transferred Real Property
and, to Sellers&#146; Knowledge, no underground storage tank is located at any Transferred Real
Property;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;There are no Orders or Legal Proceedings pending, or to Sellers&#146; Knowledge, threatened,
against Sellers arising under any Environmental Law or relating to any
</DIV>




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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Environmental Condition, except as would not reasonably be expected to have an Environmental
Material Adverse Effect;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;With respect to Sellers&#146; ownership or operation of the Purchased Assets or Sellers&#146;
conduct of the Purchased Business, Sellers have not disposed of, sent or arranged for the
transportation of Hazardous Materials at or to a site that pursuant to any Environmental Law has
been placed or is proposed to be placed by the United States Environmental Protection Agency or
similar state authority on the National Priorities List or similar state list, as in effect as of
the Closing Date; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;Sellers have identified and made available to Buyer every environmental investigation,
study, audit, test and other analysis conducted by or for or in the possession of Sellers with
respect to the ownership or operation of the Purchased Assets or Seller&#146;s conduct of the Purchased
Business (which reports are collectively referred to as &#147;<U>Environmental Reports</U>&#148; and are
identified on <U>Schedule&nbsp;4.22</U>).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding anything to the contrary set forth in this <U>Article&nbsp;IV</U>, this
<U>Section&nbsp;4.22</U> contains the sole and exclusive representations and warranties of Sellers
relating to environmental matters.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.23 <U>Exclusive Representation</U>. EXCEPT AS AND TO THE EXTENT SET FORTH IN THIS
<U>ARTICLE IV</U>, SELLERS MAKE NO REPRESENTATIONS OR WARRANTIES WHATSOEVER TO BUYER. AND SELLERS
HEREBY EXPRESSLY DISCLAIM AND NEGATE ANY REPRESENTATION OR WARRANTY, EXPRESS OR IMPLIED, AT COMMON
LAW, BY STATUTE, OR OTHERWISE, RELATING TO THE CONDITION OF THE PURCHASED BUSINESS OR PURCHASED
ASSETS (INCLUDING ANY IMPLIED OR EXPRESS WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE OR NON-INFRINGEMENT).
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>ARTICLE V<BR>
REPRESENTATIONS AND WARRANTIES AS TO BUYER AND BUYER PARENT</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each of Buyer and Buyer Parent, jointly and severally, hereby represents and warrants to
Sellers and Seller Parent as follows:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.1 <U>Existence</U>. Buyer is a corporation, duly organized, validly existing and
in good standing under the Laws of the State of Delaware. Buyer Parent is a corporation, duly
organized, validly existing and in good standing under the Laws of the State of Delaware.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.2 <U>Power and Authority; Authorization; Enforceability</U>. Each of Buyer and
Buyer Parent has all necessary company power and authority to enter into and perform its
obligations under this Agreement and the other Transaction Documents to which it is a party and to
consummate the transactions contemplated hereby and thereby. This Agreement and each of the other
Transaction Documents have been duly authorized and have been, or in the case of the Transaction
Documents to be executed and delivered at the Closing, will be duly executed and delivered by
Buyer and Buyer Parent and constitute, or, upon the execution and delivery thereof, will
constitute, valid and binding obligations of Buyer and Buyer Parent, enforceable in accordance with
their respective terms, except as enforcement may be limited by bankruptcy,
</DIV>




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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">insolvency, fraudulent transfer, reorganization, moratorium and similar Laws relating to or
affecting creditors&#146; rights generally and by general principles of equity (regardless of whether
such enforceability is considered in a proceeding in equity or at Law).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.3 <U>No Conflicts; Consents</U>. The execution, delivery and performance by each
of Buyer and Buyer Parent of this Agreement and the other Transaction Documents to which it is a
party do not, and the consummation of the transactions contemplated hereby and thereby will not,
result in any violation of or default under (with or without notice or lapse of time, or both), any
provision of (i)&nbsp;the Organizational Documents of Buyer or Buyer Parent, (ii)&nbsp;any material Contract
to which Buyer or Buyer Parent is a party or by which any of its properties or assets are bound or
(iii)&nbsp;any Permit, Order or Law applicable to Buyer or Buyer Parent or its properties or assets
other than, in the case of clauses (ii)&nbsp;and (iii)&nbsp;any such items that, individually or in the
aggregate, would not have a material adverse effect on the ability of Buyer or Buyer Parent to
consummate the transactions contemplated hereby. Except for filings required under the HSR Act and
any Permits necessary to operate the Purchased Business, no Permit of, or registration, declaration
or filing with, any Governmental Authority or any other person is required to be obtained or made
by or with respect to Buyer or Buyer Parent in connection with the execution, delivery and
performance of this Agreement and the other Transaction Documents or the consummation of the
transactions contemplated hereby and thereby.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.4 <U>Litigation; Orders</U>. There are no Orders or Legal Proceedings, whether
completed, pending or, to the Knowledge of Buyer or Buyer Parent, threatened, that question the
validity of this Agreement or any action taken or to be taken by Buyer or Buyer Parent in
connection with, or which seek to enjoin or to obtain monetary damages in respect of, this
Agreement or the consummation by Buyer or Buyer Parent of the transactions contemplated hereby or
which otherwise threaten Buyer&#146;s or Buyer Parent&#146;s ability to consummate the transactions
contemplated hereby.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.5 <U>Fees</U>. Neither Buyer nor Buyer Parent has paid or become obligated to pay
any fee or commission to any broker, finder or intermediary in connection with the transactions
contemplated hereby for which Sellers or their Affiliates shall have any liability or
responsibility.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.6 <U>Financing</U>. Buyer, through Buyer Parent or otherwise, has, or will have,
sufficient cash, available lines of credit or other sources of immediately available funds to
enable it to make payment of the Purchase Price at Closing and all related fees and expenses and to
otherwise consummate the transactions contemplated hereby at Closing. Buyer acknowledges that
obtaining financing is not a condition to closing.
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>ARTICLE VI<BR>
COVENANTS OF SELLERS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sellers covenant and agree as follows:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.1 <U>Access</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;From the date hereof through the Closing Date (a period not less than 60&nbsp;days from the
date hereof) and upon reasonable advance notice from Buyer, Sellers will allow
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Buyer and its Representatives full access during normal business hours to, and will furnish
them with, all documents, records, work papers and information with respect to the Purchased
Business and the Purchased Assets as Buyer may reasonably request; <U>provided</U>,
<U>however</U>, that such physical access to the properties owned and operated by Sellers in
relation to environmental matters shall be subject to <U>Section&nbsp;6.1(b)</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;From the date hereof through the thirtieth business day prior to the Closing Date and
subject to the terms and conditions set forth in this <U>Section&nbsp;6.1</U> and <U>Section&nbsp;6.2</U>,
Buyer and its Representatives shall have the right to conduct in relation to the Transferred Real
Property a Phase I Environmental Site Assessment conforming to ASTM E-1527-05 using such licensed
and reputable consultant as shall be previously approved by Sellers, provided that such approval
shall not be unreasonably withheld or delayed by Sellers (a &#147;<U>Phase I ESA</U>&#148;), which may
include, if Buyer so desires, a limited compliance assessment. No later than twenty (20)&nbsp;days
prior to the Closing Date, Buyer shall provide each Phase I ESA to Sellers. If such Phase I ESA
identifies and describes a Potentially Material Environmental Condition and includes a
recommendation to perform additional assessment or investigation at any Transferred Real Property,
Sellers shall have the right within five (5)&nbsp;business days of receipt of the Phase I ESA to remove
such Transferred Real Property from the Purchased Assets to be conveyed to Buyer under this
Agreement; <U>provided</U>, <U>however</U>, that if such Transferred Real Property is a parcel
of Transferred Owned Real Property, then the Purchase Price shall be reduced at Closing by the
Allocated Value attributable to such Transferred Owned Real Property set forth in <U>Schedule
6.1</U>; and <U>further</U> <U>provided</U> that if any such Transferred Real Property is a
Critical Property, then Sellers shall pay to Buyer, within 30&nbsp;days of being invoiced therefor, the
reasonably incurred moving expenses to transfer any Purchased Assets, other than Immovable
Fixtures, associated with such Critical Property to an alternative facility selected by Buyer
within 100 miles of such Critical Property. If Sellers do not notify Buyer of the removal of such
Transferred Real Property from the Purchased Assets to be conveyed to Buyer within five (5)
business days of receipt of the Phase I ESA, Buyer shall have the further right to conduct a
subsurface investigation (&#147;<U>Phase II ESA</U>&#148;) limited to the Potentially Material
Environmental Condition so described using a licensed and reputable consultant previously approved
by Sellers, provided that such approval shall not be unreasonably withheld or delayed by Sellers.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;All environmental assessments of the Transferred Real Property by Buyer and its
Representatives shall be conducted in the presence of a Representative of Sellers, and shall be
conducted at Buyer&#146;s sole cost and expense. Buyer shall indemnify, defend and hold harmless Seller
from and against all costs, loss, damage, liability and expense, including reasonable attorneys&#146;
fees, relating to or arising from the activities Buyer or Buyer&#146;s Representatives conducted
pursuant to this <U>Section&nbsp;6.1(b)</U>;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;Buyer shall not conduct any invasive testing at any Transferred Real Property prior to
providing Sellers with a copy of the relevant Phase I ESA, a written description of the proposed
invasive testing, and a reasonable period of time to provide comments, which Buyer agrees to
consider in good faith, provided that approval to conduct any recommended Phase II ESA invasive
testing shall not be unreasonably withheld or delayed by Sellers. For any invasive sampling,
Sellers shall have the right, but not the obligation, to take split samples;
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;For Buyer&#146;s environmental assessment activities, Sellers will provide reasonable access
to the Transferred Owned Real Property; for the Transferred Leased Real Property, Sellers will
reasonably cooperate with Buyer in contacting the owners of the Transferred Leased Real Property
directly to attempt to arrange for access for the purposes of environmental assessment;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv)&nbsp;Unless and until Closing occurs, unless otherwise required by Environmental Law, Buyer
will not disclose the results of its environmental assessment activities to any Governmental
Authority; <U>provided</U>, <U>however</U>, that if Buyer is compelled to disclose such results
then Buyer shall notify Sellers not less than fourteen (14)&nbsp;days in advance of any such disclosure
and will simultaneously furnish Sellers and their counsel with copies of all materials to be
disclosed and shall at the expense of Sellers use reasonable efforts to assist counsel in resisting
and/or preparing to make such disclosure; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v)&nbsp;While performing any Phase I ESA or Phase II ESA, Buyer and its Representatives must
comply with Sellers&#146; written environmental and safety rules and policies at any Transferred Owned
Real Property, and with the third-party owner&#146;s written environmental and safety rules and policies
at any Transferred Leased Real Property, to the extent copies of such rules and policies are
provided to Buyer and its Representatives in advance of such activities.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.2 <U>Environmental Defects</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;No later than the Environmental Defect Notice Date, Buyer may deliver to Sellers an
Environmental Defect Notice for any Potentially Material Environmental Condition confirmed by a
Phase II ESA prepared pursuant to <U>Section&nbsp;6.1</U>. Such Environmental Defect Notice must (i)
be in writing and received on or before the Environmental Defect Notice Date, (ii)&nbsp;name the
affected Transferred Real Property, (iii)&nbsp;name the condition in, on or under the Transferred Real
Property that causes the Potentially Material Environmental Condition, including the approximate
date the Potentially Material Environmental Condition commenced, and (iv)&nbsp;provide factual
substantiation for the Potentially Material Environmental Condition.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Within ten (10)&nbsp;business days from receiving an Environmental Defect Notice, Seller shall
elect (i)&nbsp;to conduct Remedial Action necessary to address the Potentially Material Environmental
Condition identified in the Environmental Defect Notice or (ii)&nbsp;to remove the Transferred Real
Property identified by Buyer in an Environmental Defect Notice from the Purchased Assets to be
conveyed to Buyer under this Agreement. If Sellers elect to remove such Transferred Real Property
from the Purchased Assets to be conveyed to Buyer under this Agreement and such Transferred Real
Property is a parcel of Transferred Owned Real Property, then the Purchase Price shall be reduced
at Closing by the Allocated Value attributable to such asset. If such Transferred Real Property is
a Critical Property, then Sellers shall pay to Buyer, within 30&nbsp;days of being invoiced therefor,
the reasonably incurred moving expenses to transfer any Purchased Assets, other than Immovable
Fixtures, associated with such Critical Property to an alternative facility selected by Buyer
within 100 miles of such Critical Property.
</DIV>






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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Prior to Closing, Sellers and Buyer shall meet to discuss and agree upon the scope of
work to address any Remedial Actions required as a result of Environmental Conditions set forth in
the Environmental Defect Notice. If Buyer and Sellers cannot agree upon the scope of work to
address the same, Buyer or Sellers shall have the right to remove the affected Transferred Real
Property from the Purchased Assets to be conveyed to Buyer under this Agreement <U>provided</U>,
<U>however</U>, that if such Transferred Real Property is a parcel of Transferred Owned Real
Property, then the Purchase Price shall be reduced at Closing by the Allocated Value attributable
to such Transferred Owned Real Property set forth in <U>Schedule&nbsp;6.1</U>; and <U>further</U>
<U>provided</U> that if any such Transferred Real Property is a Critical Property, then Sellers
shall pay to Buyer, within 30&nbsp;days of being invoiced therefor, the reasonably incurred moving
expenses to transfer any Purchased Assets, other than Immovable Fixtures, associated with such
Critical Property to an alternative facility selected by Buyer within 100 miles of such Critical
Property.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Sellers and Buyer shall cooperate with each other and use all commercially reasonable
efforts to cause the investigations and other actions contemplated by <U>Section&nbsp;6.1</U> and this
<U>Section&nbsp;6.2</U> to be completed within the 60&nbsp;day period contemplated by <U>Section
6.1(a)</U> and no party shall take any action in connection with performing such obligations
intended to unreasonably delay the timely completion of such obligations.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;If a landlord refuses to permit Buyer to conduct the environmental assessment activities
contemplated by <U>Section&nbsp;6.1</U> and this <U>Section&nbsp;6.2</U> as to a Transferred Leased Real
Property, Buyer may, upon written notice to Sellers, elect to remove such Transferred Leased Real
Property from the Purchased Assets to be conveyed to Buyer under this Agreement. If such
Transferred Leased Real Property is a Critical Property, then Sellers shall pay to Buyer, within
30&nbsp;days of being invoiced therefor, the reasonably incurred moving expenses to transfer any
Purchased Assets, other than Immovable Fixtures, associated with such Critical Property to an
alternative facility selected by Buyer within 100 miles of such Critical Property.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;With respect to a Critical Property that has been removed from among the Purchased Assets
by Buyer or Sellers pursuant to <U>Section&nbsp;6.1</U> or this <U>Section&nbsp;6.2</U>, Buyer may, upon
written notice to Sellers, extend the Closing Date for a reasonable period of time in order for
Buyer to make alternative arrangements in order to obtain the benefits previously associated with
such Critical Property. Sellers shall, in accordance with <U>Section&nbsp;8.1</U>, cooperate with
Buyer in its efforts to make any such alternative arrangements.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.3 <U>Ordinary Conduct</U>. Except as otherwise expressly permitted by the terms of
this Agreement or as Buyer shall otherwise consent to, from the date hereof to the Closing, Sellers
shall cause the Purchased Business to be conducted in the ordinary course in substantially the same
manner as presently conducted and shall use reasonable efforts consistent with past practices to
preserve Sellers&#146; relationships with employees, customers, suppliers, dealers and others with whom
they deal. In addition, except as otherwise contemplated by the terms of this Agreement to the
extent permitted by Law, Sellers shall not do any of the following without the prior consent of
Buyer:
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;establish, adopt or enter into any Employee Benefit Plan related to any Business Employee
or any similar agreement or, except as required by applicable Law, amend or take any other
actions, including acceleration of vesting and waiver of performance criteria, with respect to any
Employee Benefit Plan or any similar agreement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;increase the compensation payable or to become payable to any Business Employee, except
as may be required under existing agreements, other than ordinary course adjustments in response
to market conditions;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;grant any severance or termination pay (other than pursuant to the severance practices of
Sellers as in effect on the date of this Agreement) to, or enter into any employment or severance
agreement with, any Business Employee, either individually or as part of a class of similarly
situated persons;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;deviate from Sellers&#146; historical practices with respect to the incurrence and payment of
payables or accrual and collection of receivables or otherwise pay or satisfy any Liabilities
other than in the ordinary course of business consistent with past practice;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;permit, allow or suffer any of its assets to become subjected to any Lien other than
Permitted Liens;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;waive any Claims related to the Purchased Assets;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;make any change in any method of accounting or accounting practice related to the
Purchased Business other than those required by GAAP;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;sell, lease or otherwise dispose of any Purchased Assets, except in the ordinary course
of business consistent with past practice, whether by asset sale, merger, consolidation or
otherwise;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;amend, terminate, alter or waive performance under any Assumed Contract;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;fail to maintain the Purchased Assets in a manner consistent with past practices,
ordinary wear and tear excepted;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k)&nbsp;fail to maintain the books of account and Records relating to the Purchased Business in
the usual, regular and ordinary manner, in accordance with the historical accounting practices of
Sellers;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(l)&nbsp;fail to preserve and maintain all rights that Sellers now enjoy in and to the Transferred
Intellectual Property;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(m)&nbsp;fail to maintain in full force and effect, to the extent available at commercially
reasonable rates, insurance coverage that is equivalent in all material respects to the insurance
coverage currently in effect and applicable to the Purchased Business and the Purchased Assets; or
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(n)&nbsp;agree, whether in writing or otherwise, to do any of the foregoing.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.4 <U>Non-Competition; Non-solicitation</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Sellers and Seller Parent agree that they shall not, and shall not permit any of their
Affiliates to, at any time during the three-year period immediately following the Closing Date
(the &#147;<U>Restricted Period</U>&#148;), directly or indirectly carry on or engage in the Pressure
Pumping Business or the Wireline Business (each, a &#147;<U>Competing Business</U>&#148;) in the
continental United States (other than the State of California) (the &#147;<U>Territory</U>&#148;).
Notwithstanding the foregoing, (i)&nbsp;Sellers and their Affiliates shall be permitted to own and
engage in a Competing Business during the Restricted Period if Sellers or their Affiliates
acquire, or are combined with or into, another Person that owns a Competing Business that is not
the primary business unit of such Person&#146;s total operations and (ii)&nbsp;this covenant shall terminate
in the event that Seller Parent is acquired in a business combination transaction regardless of
the legal structure such acquisition takes.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;During the Restricted Period, each of Seller Parent and Sellers shall not, and each shall
cause its controlled Affiliates not to, without the prior written consent of Buyer, directly or
indirectly, solicit for employment or hire any then current employee of Buyer or the Purchased
Business, including any Transitioned Employee; <U>provided</U>, <U>however</U>, that (a)&nbsp;the
Seller Parent and Sellers and their respective Affiliates may hire any such person (i)&nbsp;who is not
a Transitioned Employee, (ii)&nbsp;whose employment is terminated by Buyer or (iii)&nbsp;who is no longer
employed by Buyer or the Purchased Business at the time of their initial contact with such person
regarding such employment and six months have elapsed since such person was employed by Buyer or
the Purchased Business; and (b)&nbsp;nothing in this <U>Section&nbsp;6.4</U> shall prohibit Seller Parent,
Sellers or any of their respective Affiliates from engaging in general solicitations to the public
or general advertising not targeted at employees of Buyer or the Purchased Business and hiring
persons responding thereto provided such persons are in no way directly solicited by them.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Each of the Sellers and Seller Parent acknowledges that the Buyer would be irreparably
harmed by any violation of its obligations under this <U>Section&nbsp;6.4</U> and that, in addition to
all other rights or remedies available at law or in equity, if either Seller or Seller Parent
violates any of the covenants set forth in this <U>Section&nbsp;6.4</U>, then, after Buyer has
provided written notice of such violation to such Seller or Seller Parent without such Seller or
Seller Parent immediately remedying such violation, Buyer shall be entitled to injunctive relief
or such other relief against such Seller as may be provided at Law or in equity together with such
damages as may be provided at Law or in equity. Buyer shall be entitled where provided under
applicable Law to specific performance of the requirements of this <U>Section&nbsp;6.4</U> or to
temporary or permanent injunctive relief against any breach of such provisions of this Agreement
by either Seller.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Sellers and Seller Parent acknowledge that their obligations under this <U>Section
6.4</U> are a material inducement to Buyer&#146;s execution and performance of this Agreement and that
the restrictions contained in this <U>Section&nbsp;6.4</U> are reasonable as to time, geographic area
and scope of activity and do not impose a greater restraint than is necessary to protect the
goodwill and other legitimate business interests of Buyer.
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;If the provisions of this <U>Section&nbsp;6.4</U> are found by a court of competent
jurisdiction to contain unreasonable limitations as to time, geographic area or scope of activity,
then such court is hereby directed to reform such provisions to the minimum extent necessary to
cause the limitations contained therein as to time, geographical area and scope of activity to be
reasonable and enforceable.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;Buyer may, at any time and at its sole option, reduce the scope of this <U>Section
6.4</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.5 <U>Records</U>. Promptly following the Closing Date, each Seller shall deliver
or cause to be delivered to Buyer all Records, if any, in the possession of such Seller relating to
the Purchased Assets, except that Sellers may retain copies of (i)&nbsp;their Records prepared in
connection with the transactions contemplated hereby and (ii)&nbsp;all Records conveyed to Buyer
pursuant to <U>Section&nbsp;2.1</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.6 <U>Disclosure Schedules, Updated Disclosures; Breaches</U>. Prior to the
execution and delivery hereof, Sellers shall deliver to Buyer schedules that modify, qualify or
contain the information called for by <U>Article&nbsp;IV</U> hereof (the &#147;<U>Sellers&#146; Disclosure
Schedules</U>&#148;). The Sellers&#146; Disclosure Schedules shall be arranged in paragraphs corresponding
to the numbered and lettered paragraphs contained in <U>Article&nbsp;IV</U>, and the disclosures in any
paragraph of the Sellers&#146; Disclosure Schedules shall qualify only (i)&nbsp;the corresponding paragraph
of <U>Article&nbsp;IV</U> and (ii)&nbsp;other paragraphs of <U>Article&nbsp;IV</U> to the extent it is
reasonably understood that such disclosure is applicable to another paragraph. The Sellers&#146;
Disclosure Schedules shall constitute an integral part of this Agreement and, subject to the second
sentence of this <U>Section&nbsp;6.5</U>, shall modify or otherwise affect the respective
representations, warranties, covenants or agreements of the parties hereto contained herein.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;From and after the date of this Agreement until the Closing Date, Seller Parent and Sellers
promptly shall notify Buyer in writing of (a)&nbsp;any representation or warranty made by Seller Parent
or Sellers in connection with this Agreement becoming untrue or inaccurate in any material respect,
(b)&nbsp;the occurrence or non-occurrence of any event the occurrence or non-occurrence, of which would
be likely to cause any condition to the obligations of any party hereunder or under any other
Transaction Document not to be satisfied or (c)&nbsp;the failure of Seller Parent or Sellers to comply
with or satisfy any covenant, condition or agreement to be complied with or satisfied by it
pursuant to this Agreement which would be likely to result in any condition to the obligations of
any party not to be satisfied. Should any such fact or condition set forth in such notice require
any change to the Sellers&#146; Disclosure Schedules attached hereto, Sellers shall promptly deliver to
Buyer a supplement to the relevant section of the Sellers&#146; Disclosure Schedules specifying such
changes; <U>provided</U>, <U>however</U>, no such supplement shall be deemed a waiver of any
breach by Sellers of a representation or warranty made by Sellers in connection with this Agreement
or affect Buyer&#146;s rights to indemnification under <U>Article&nbsp;XIII</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sellers shall not take any action that would, or that reasonably could be expected to (i)
result in any of the conditions to the purchase and sale of the Purchased Assets set forth in
<U>Article&nbsp;X</U> not being satisfied or (ii)&nbsp;result in any of the representations or warranties of
Sellers becoming untrue.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.7 <U>Employees of Purchased Business</U>. From the date of this Agreement through
the Effective Time, Sellers shall cooperate with Buyer in encouraging Qualifying Business Employees
to accept employment with Buyer.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.8 <U>Further Actions</U>. From time to time, as and when requested by any party
hereto, Sellers shall execute and deliver, or cause to be executed and delivered, all such
documents and instruments and shall take, or cause to be taken, all such further or other actions,
not inconsistent herewith, as such other party may reasonably deem necessary or desirable to
consummate the transactions contemplated by this Agreement.
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>ARTICLE VII<BR>
COVENANTS OF BUYER</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Buyer covenants and agrees as follows:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.1 <U>Notice, Breaches</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Buyer shall not take any action that would, or that reasonably could be expected to (i)&nbsp;result
in any of the conditions to the purchase and sale of the Purchased Assets set forth in <U>Article
XI</U> not being satisfied or (ii)&nbsp;result in any of the representations or warranties of Buyer
becoming untrue.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;From and after the date of this Agreement until the Closing Date, Buyer promptly shall notify
Sellers in writing of (a)&nbsp;any representation or warranty made by Buyer in connection with this
Agreement becoming untrue or inaccurate in any material respect, (b)&nbsp;the occurrence or
non-occurrence of any event the occurrence or non-occurrence of which would be likely to cause any
condition to the obligations of any party hereunder or under any other Transaction Document not to
be satisfied or (c)&nbsp;the failure of Buyer to comply with or satisfy any covenant, condition or
agreement to be complied with or satisfied by Buyer pursuant to this Agreement which would be
likely to result in any condition to the obligations of any party not to be satisfied. Should any
such fact or condition set forth in such notice require any change to the representations and
warranties made by Buyer under this Agreement, Buyer shall promptly deliver to Sellers a disclosure
schedule specifying such changes.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.2 <U>Removal of Retained Marks</U>. Notwithstanding anything in this Agreement to
the contrary, Buyer shall be entitled to a transitional period of 60&nbsp;days following the Closing
Date to use Purchased Assets displaying any Retained Marks, including on vehicles, equipment, real
property, signage, supplies, materials, stationery, brochures, advertising and packaging materials,
manuals, electronic means of communication and similar items used in the Purchased Business. Buyer
acknowledges and agrees that neither it, nor any of its Affiliates, obtains any right, title,
interest, license or any other right whatsoever in or to use the Retained Marks. By the end of
such transitional period and without charge to Sellers, Buyer shall (a)&nbsp;remove or reasonably
obscure the Retained Marks from the Purchased Assets or (b)&nbsp;return or destroy, or cause to be
returned or destroyed, all other assets that contain any Retained Marks that are not removable.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.3 <U>Further Actions</U>. From time to time, as and when requested by any party
hereto, Buyer shall execute and deliver, or cause to be executed and delivered, all such
</DIV>




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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">documents and instruments and shall take, or cause to be taken, all such further or other
actions, not inconsistent herewith, as such other party may reasonably deem necessary or desirable
to consummate the transactions contemplated by this Agreement.
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>ARTICLE VIII<BR>
MUTUAL COVENANTS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.1 <U>Cooperation</U>. Sellers and Buyer shall cooperate with each other, and shall
cause their Representatives to cooperate with each other after the Closing to ensure the orderly
transition of the Purchased Assets from Sellers to Buyer, to minimize disruption of the Purchased
Business and to facilitate the realization by Sellers of the working capital (other than Inventory)
being retained by Sellers. After the Closing, upon reasonable written notice, Buyer and Sellers
shall furnish or cause to be furnished to each other and their Representatives access, during
normal business hours, such information and assistance (including the making available of
employees) relating to the Purchased Assets as is reasonably necessary for financial reporting and
accounting matters, the preparation and filing of any Tax Returns, the defense of any Tax claim or
assessment, the performance of their obligations under this Agreement, or the defense or
prosecution of any dispute, investigation, inquiry or Legal Proceeding.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.2 <U>Notices; Filings; Consents</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Subject to the terms and conditions of this Agreement, each party shall use reasonable
efforts to cause the Closing to occur as promptly as practical following the date hereof.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Subject to the terms and conditions of this Agreement, Buyer and Sellers shall, and shall
cause their respective Affiliates to, (i)&nbsp;promptly, but in no event later than 10 business days
after the date hereof, make their respective filings under the HSR Act and thereafter make any
other required submissions under the HSR Act as promptly as reasonably practicable, (ii)&nbsp;use
reasonable efforts to cooperate with each other in (A)&nbsp;determining whether any filings are
required to be made with, or Permits are required to be obtained from, any other persons in
connection with the execution and delivery of this Agreement and the consummation of the
transactions contemplated hereby and (B)&nbsp;timely making all such filings and timely seeking all
such Permits, (iii)&nbsp;use reasonable efforts to take, or to cause to be taken, all other actions and
to do, or to cause to be done, all other things necessary, proper or advisable to consummate the
transactions contemplated hereby, (iv)&nbsp;subject to applicable legal limitations and the
instructions of any Governmental Authority, keep each other apprised of the status of matters
relating to the completion of the transactions contemplated by this Agreement, including to the
extent permitted by Law promptly furnishing the other with true and complete copies of notices or
other communications between Buyer, Sellers or any of their respective Affiliates, as the case may
be, and any Governmental Authority with respect thereto, and permit the other to review in advance
any proposed communication by such party to any Governmental Authority or other person and (v)
give the other reasonable notice of, and to the extent permitted by such Governmental Authority,
allow the other to attend and participate at any meeting with any Governmental Authority in
respect of any filings, investigation or other inquiry or proceeding relating thereto. Buyer
agrees to take any and all commercially reasonable steps necessary to avoid or eliminate each and
every impediment under any Law that
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">may be asserted by any Governmental Authority with respect to the transactions contemplated
hereby so as to cause the Closing to occur as soon as reasonably possible, except that it will not
be required to commit to and/or effect, by consent decree, holding separate orders or otherwise,
the sale or disposition of assets in order to avoid entry of, or to the effect the dissolution
of, any injunction, a temporary restraining order or other order in any suit or proceeding that
would otherwise have the effect of materially delaying or preventing the consummation of the
transaction contemplated hereby.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;With respect to any Transferred Leases, Transferred Permits or Assumed Contracts, this
Agreement shall not constitute an assignment or an attempted assignment thereof if such assignment
or attempted assignment would constitute a violation thereof or a default thereunder, and the
parties shall cooperate and shall each use commercially reasonable efforts to obtain any such
consent or approval necessary to transfer each Transferred Lease, Transferred Permit or Assumed
Contract following the Closing. If the parties are unable to obtain consent to transfer or are
prevented by applicable Law from transferring any Transferred Lease, Transferred Permit or Assumed
Contract, then for the remaining term thereof, Buyer shall act as the applicable Seller&#146;s agent in
the performance of all obligations and liabilities under such Transferred Lease, Transferred
Permit or Assumed Contract and such Seller shall act as Buyer&#146;s agent in the receipt of any
benefits (net of Taxes, required withholdings, and other costs reasonably incurred by such
Seller), rights or interests which inure to such Seller thereunder. In the event that the
foregoing arrangements are prohibited or commercially impracticable with regard to any Transferred
Leases (and the associated Transferred Leased Real Property), Transferred Permits or Assumed
Contracts, then Buyer, at its option, shall be permitted to designate same as a Retained Liability
by notice in writing to the applicable Seller, whereupon the same shall revert to and be a
Retained Liability of such Seller and such Seller shall cooperate with Buyer in making alternative
arrangements to obtain the benefits previously associated with such Transferred Lease, Transferred
Permit or Assumed Contract.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;With respect to a Critical Property for which a consent to lease assignment has not been
obtained, Buyer may, upon written notice to Sellers, extend the Closing Date for a reasonable
period of time in order for Sellers to obtain such consent or, if a Transferred Lease (and the
associated Transferred Leased Real Property) that is a Critical Property is excluded from among
the Purchased Assets pursuant to <U>Section&nbsp;8.2(c)</U>, for Buyer to make alternative
arrangements in order to obtain the benefits previously associated with such Critical Property.
Sellers shall, in accordance with <U>Section&nbsp;8.1</U>, cooperate with Buyer in its efforts to make
any such alternative arrangements.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.3 <U>Monies Received Following Closing</U>. Following the Closing, Buyer may
receive monies that, pursuant to the other terms and provisions hereof, are payable to or for the
account of Sellers, and Buyer agrees that, in such event, it shall promptly pay such monies to
Sellers. Following the Closing, Sellers may receive monies that, pursuant to the other terms and
provisions hereof, are payable to or for the account of Buyer, and Sellers agree that, in such
event, they shall promptly pay such monies to Buyer.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.4 <U>Employee Benefits Matters</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;At least 20&nbsp;days before the Closing Date, Sellers shall provide Buyer with an updated
list of the Business Employees as of such date. At least 10&nbsp;days before the Closing Date, Buyer
shall make offers of employment, effective as of the Closing Date, to all Business Employees who
pass Buyer&#146;s pre-employment drug screening and fitness-for-duty tests and are not ineligible for
hire as of the Closing Date due to a previous relationship with Buyer (any such Business Employee
being a &#147;<U>Qualifying Business Employee</U>&#148;). Any Qualifying Business Employee who accepts
such offer of employment and becomes an employee of Buyer or an Affiliate of Buyer as of the
Closing Date shall be a &#147;<U>Transitioned Employee</U>.&#148;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Except as provided in <U>Section&nbsp;8.4(j)</U>, Sellers shall be responsible for payment of
all obligations required or committed to the Business Employees with respect to the period prior
to the Effective Time, including salaries, wages, payroll Taxes, retirement, vacation pay and any
other obligations and expenses of any kind arising out of the employment by, or termination from
the employment of, such Seller of such employees. Buyer shall be responsible for all obligations
and costs with respect to Transitioned Employees arising after the Effective Time out of their
employment by Buyer or an Affiliate of Buyer or the termination by Buyer or an Affiliate of Buyer
thereof or the hiring practices of Buyer or any Affiliate thereof.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Buyer is not acquiring or succeeding to any obligations with respect to any Employee
Benefit Plan sponsored, maintained or contributed to by Sellers or any Commonly Controlled Entity
of either Seller.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;The Seller Plans shall be solely responsible for any Liabilities that may arise with
respect to the application of Part&nbsp;6 of Subtitle B of Title I of ERISA and Section&nbsp;4980B of the
Code (&#147;<U>COBRA</U>&#148;) with respect to, and for extending continuation coverage under, COBRA to
any employees and former employees of Sellers, or to any qualified beneficiaries of such employees
and former employees, including Transitioned Employees, who incur a &#147;qualifying event&#148; (as that
term is defined in Code Section&nbsp;4980B(f)) on or before the Effective Time. Buyer shall be
responsible for any Liabilities that may arise under COBRA with respect to, and for extending
continuation coverage under COBRA to, all Transitioned Employees and qualified beneficiaries
thereof who incur a &#147;qualifying event&#148; while covered under a Buyer group health plan subsequent to
the Effective Time. Sellers will provide the certification described in Sections&nbsp;9801 et seq. of
the Code to the extent required by Law for all Transitioned Employees as of the Closing Date.
Except to the extent required by Law, Buyer shall not be deemed to be a successor employer for
COBRA purposes.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;The Seller Plans shall be responsible for the payment of benefits to Transitioned
Employees and their dependents or beneficiaries for any claims incurred under the Seller Plans
prior to the Effective Time. Employee Benefit Plans of Buyer or its Affiliates (&#147;<U>Buyer
Plans</U>&#148;) shall be responsible for the payment of benefits to Transitioned Employees and their
dependents or beneficiaries for claims incurred under such Buyer Plans on or after the Effective
Time. For this purpose, a claim shall be deemed to be incurred as follows: (i)&nbsp;life, accidental
death and dismemberment, and disability insurance benefits, upon the death, accident or other
event giving rise to such benefits, and (ii)&nbsp;medical, dental and prescription drug
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<DIV align="left" style="font-size: 10pt">benefits (including in respect of any hospital confinement), upon provision of the applicable
services, materials or supplies.</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;On and after the Closing Date, Buyer shall provide to each Transitioned Employee,
including those who are actively employed or on leave, disability or other absence from
employment, compensation and benefits that, on the whole, are comparable to the benefits provided
by Buyer to its own similarly situated employees as of the date thereof; <U>provided</U>,
<U>however</U>, that nothing herein shall be deemed to require Buyer to continue the employment
of any employee for any period or to restrict Buyer from making changes to any benefits provided
to, or compensation paid to, any employee in the future. As of the Effective Time, all
Transitioned Employees shall cease to participate in any Seller Plans. As of the Effective Time,
Buyer shall allow all Transitioned Employees and their eligible dependents to participate in the
Buyer Plans as necessary to comply with the terms of this Agreement and any applicable Law,
without any gap or loss of benefits or coverage. Except as provided in <U>Section&nbsp;8.4(e)</U>, as
of the Closing Date, Buyer shall cause all Buyer Plans for which Transitioned Employees are
eligible to participate on or after Closing to recognize for eligibility and vesting purposes (but
not for benefit accrual purposes) the years of service of each Transitioned Employee with Sellers
and/or their Affiliates (together with any predecessors thereof that previously employed any such
Transitioned Employees and as to which a Seller Plan recognizes such years of service) prior to
the Closing Date. With respect to each Transitioned Employee and such Transitioned Employee&#146;s
dependents, Buyer shall waive under the Buyer Plans any pre-existing condition exclusions to
coverage (but only to the extent coverage was being provided under the Seller Plans to such
enrolled Transitioned Employee immediately prior to the Effective Time), any evidence of
insurability provisions, any active at work requirement and any waiting period or service
requirements that did not exist or had been waived or otherwise satisfied under the Seller Plans.
For each Transitioned Employee, Buyer shall apply toward any deductible requirements and
out-of-pocket maximum limits under its health plans applicable to the year of Closing, any amounts
paid by such Transitioned Employee during such year toward such requirements and limits under the
Seller Plans.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;Within 30&nbsp;days following the Closing Date, Sellers shall notify Buyer of the total dollar
value of all unused vacation days for the Transitioned Employees and shall promptly pay such
amount to Buyer. Sellers shall also provide to Buyer detailed information as to unused vacation
days as to each Transitioned Employee, and Buyer will credit each Transitioned Employee with such
number of unused vacation days accrued by such employee with Sellers prior to the Closing Date.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;If Buyer or an Affiliate thereof maintains a Buyer Plan that is a qualified defined
contribution plan, Buyer shall take all action necessary or appropriate to permit the Transitioned
Employees to roll over their account balances (other than outstanding plan loans) under the
applicable Seller Plan that is a defined contribution plan into such Buyer Plan to the extent it
is determined that distribution of such balances from the applicable Seller Plan is permitted by
applicable Law.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;Sellers shall be responsible for the costs and expenses of workers&#146; compensation claims
of Business Employees for injuries sustained prior to the Effective Time whether or not reported
to such Seller or any insurer prior to the Effective Time. Buyer shall be
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">responsible for all costs and expenses of workers&#146; compensation claims of any Transitioned
Employees for injuries sustained after the Effective Time.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j) <U>Schedule&nbsp;4.19</U> identifies the retention and severance benefits that have been
offered to certain Business Employees. Buyer shall be responsible for the payment in full of all
severance payments and payment of half of the retention bonuses so identified that are scheduled
to become due and payable to Transitioned Employees; <U>provided</U> that Buyer&#146;s share of any
such retention bonuses shall not exceed $900,000. Sellers shall pay to Buyer on the Closing Date
an amount equal to the balance of all retention bonuses so identified that are scheduled to become
due and payable to Transitioned Employees. The parties shall collaborate on the details and
methodology regarding the delivery of retention bonuses to Transitioned Employees after the
Effective Time. Sellers shall be responsible for the payment in full of all retention bonuses and
all severance payments that become due and payable to Business Employees that are not Transitioned
Employees.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k)&nbsp;Nothing contained herein (i)&nbsp;shall confer upon any former, current or future employee of
Sellers or its Affiliates or Buyer or its Affiliates, or any legal representative or beneficiary
thereof, any rights or remedies, including any right to any benefit or employment or continued
employment of any nature, for any specified period, or (b)&nbsp;shall cause the employment status of
any former, current or future employee of Sellers or its Affiliates or Buyer or its Affiliates to
be other than terminable at will. If a person not entitled to enforce this Agreement brings a
lawsuit or other action to enforce any provision in this Agreement as an amendment to an Employee
Benefit Plan or another agreement, plan, program or document, and that provision is construed to
be such an amendment despite not being explicitly designated as such in this Agreement, that
provision shall lapse retroactively, thereby precluding it from having any amendatory effect.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.5 <U>Scrap Equipment</U>. Within 30&nbsp;days after the Closing Date, Sellers shall
provide to Buyer a reasonably complete list of Scrap Equipment related to the Purchased Business
that is not located on the Transferred Real Property. Buyer shall have the right, within 180&nbsp;days
of receiving such notice and at Buyer&#146;s sole expense, to inspect such Scrap Equipment at such other
premises and may select to retain any such Scrap Equipment by providing to Sellers a list of Scrap
Equipment to remain with the Purchased Business. Any such Scrap Equipment so selected by Buyer
shall be actually removed from such location, at Buyer&#146;s sole cost and expense, within such 180&nbsp;day
period, and any such Scrap Equipment not so selected and removed (the &#147;<U>Non-Conveyed Scrap
Equipment</U>&#148;) shall revert to and be retained by Sellers. Sellers shall dispose of the
Non-Conveyed Scrap Equipment as scrap metal in the ordinary course of business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.6 <U>Publicity</U>. Following the execution and delivery hereof, Buyer and
Sellers and their Affiliates shall cooperate with each other in making a public announcement
regarding the transactions contemplated hereby and in notifying lenders, customers and the like of
the transactions contemplated hereby.
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.7 <U>Confidentiality</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;The terms of the confidentiality agreement, dated April&nbsp;8, 2010 (the &#147;<U>Confidentiality
Agreement</U>&#148;), between the Seller Parent and Universal Well Services, Inc., are incorporated
into this Agreement by reference and shall continue in full force and effect and shall bind each
of Buyer and Buyer Parent as if each were a party thereto until the Closing, at which time the
confidentiality obligations under the Confidentiality Agreement shall terminate. If, for any
reason, the transactions contemplated by this Agreement are not consummated, the Confidentiality
Agreement shall nonetheless continue in full force and effect in accordance with its terms and
shall bind each of Buyer and Buyer Parent as if each were a party thereto.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;From and after the Closing, Seller Parent and each Seller, on the one hand, and Buyer
Parent and Buyer, on the other hand, shall, and shall cause their respective Affiliates and
representatives to, maintain in confidence any written, oral or other information relating to or
obtained from the other party or its Affiliates, except that the foregoing requirements of this
<U>Section&nbsp;8.7(b)</U> shall not apply to the extent that (i)&nbsp;any such information is or becomes
generally available to the public other than (A)&nbsp;in the case of the Buyer Parent or Buyer, as a
result of disclosure by the Seller Parent, either Seller or any of their respective Affiliates or
representatives and (B)&nbsp;in the case of the Seller Parent or Sellers, as a result of disclosure by
the Buyer Parent or Buyer, or any of their respective Affiliates or representatives, (ii)&nbsp;any such
information (including any report, statement, testimony or other submission to a Governmental
Authority) is required by applicable Law, Order or such Governmental Authority to be disclosed
after prior notice has been given to the other party to the extent such notice is permitted by
applicable Law, provided that no such notice is required if prohibited by applicable Law, (iii)
any such information is reasonably necessary to be disclosed in connection with any action or in
any dispute with respect to this Agreement or the Transaction Documents (including in response to
any summons, subpoena or other legal process or formal or informal investigative demand issued to
the disclosing party in the course of any litigation, arbitration, mediation, investigation or
administrative proceeding), (iv)&nbsp;any such information was or becomes available to such party on a
non-confidential basis and from a source (other than a party hereto or any Affiliate or
representative of such party) that is not bound by a confidentiality agreement or other obligation
of confidentiality with respect to such information or (v)&nbsp;after the Closing, any such information
that becomes known or available pursuant to or as a result of the carrying out of the provisions
of the other Transaction Documents (which information shall be governed by the confidentiality
provisions set forth in the Transaction Documents, if any). Each of the parties hereto shall
instruct its Affiliates and representatives having access to such information of such obligation
of confidentiality; <U>provided</U>, <U>however</U>, that the parties hereto may disclose
information about the Tax treatment and Tax structure of the transactions contemplated by this
Agreement (including any facts or materials relating thereto or reasonably necessary to understand
such treatment or structure).
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;8.8 <U>Transitional Matters</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Schedule&nbsp;8.8(a)</U> describes certain pricing arrangements that are currently in
effect between Seller A and two customers. Promptly following the date hereof, Buyer and Seller A
shall approach each such customer regarding whether such customer wishes to maintain such
arrangement in effect. Buyer agrees that it will assume such arrangement if such customer
requests that it do so, and Buyer and Seller A shall cooperate reasonably with each other and such
customer to transfer such arrangement from Seller A to Buyer, including by Buyer entering into a
master service agreement with such customer for such arrangement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Buyer and Sellers shall use their commercially reasonable efforts to schedule jobs such
that there are no jobs related to the Purchased Business being performed as of the Effective Time.
To the extent that such jobs exist as of the Closing Date, Buyer agrees that it shall serve as
such Seller&#146;s subcontractor for purposes of completing any jobs that are being performed as of the
Effective Time and Buyer and such Seller shall negotiate reasonably and in good faith as to the
terms of such arrangement, including customary indemnities and sharing of revenues and expenses.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Promptly following the date hereof, Buyer and Sellers will negotiate reasonably and in
good faith with respect to the Transition Services Agreement, the material terms of which are set
forth on <U>Exhibit&nbsp;B</U> hereto.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Promptly following the date hereof, Buyer and Sellers will negotiate reasonably and in
good faith with respect to the Buyer Lease Agreement and the Seller Lease Agreements.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;Seller Parent shall cause Advanced Measurements, Inc. to consent to the assignment of its
Service Agreement described in <U>Schedule&nbsp;2.1(f)</U> and to provide such additional services as
may be requested by Buyer on terms no less favorable than those provided to customers similarly
situated to the Purchased Business.
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE IX<BR>
TAX MATTERS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;9.1 <U>Cooperation</U>. After the Closing, Buyer and Sellers will promptly make
available or cause to be made available to the other, as reasonably requested, and to any Taxing
Authority, all information, records or documents relating to Tax liabilities and potential Tax
liabilities relating to the Purchased Assets for all periods before or including the Closing Date
and will preserve all such information, records and documents until the expiration of any
applicable statute of limitations or extensions thereof. Each party will bear its own expenses in
complying with the provisions of this <U>Section&nbsp;9.1</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;9.2 <U>Taxes Generally</U>. Except as otherwise set forth in this Agreement, (a)
Sellers will be liable for, and shall defend, indemnify and hold harmless Buyer against, all Taxes
relating to the Purchased Assets or the Purchased Business for any Tax period (or portion thereof)
ending on or before the Closing Date and (b)&nbsp;Buyer will be liable for, and shall defend, indemnify
and hold harmless Sellers and their Affiliates against, all Taxes relating to the
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Purchased Assets or the Purchased Business for any Tax period (or portion thereof) beginning
after the Closing Date.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;9.3 <U>Transfer Taxes</U>. All sales, use, transfer, filing, recordation,
registration, and similar Taxes and fees arising from or associated with the transactions
contemplated by this Agreement, whether levied on Buyer or Sellers or their respective Affiliates,
shall be paid by Buyer, and Buyer shall file all necessary documentation with respect to, and make
all payments of, such Taxes and fees on a timely basis.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;9.4 <U>Property Expense Apportionment</U>. The following items relating to the
Purchased Assets will be apportioned at the Closing in an equitable manner as of the Closing Date
(the &#147;<U>Adjustment Date</U>&#148;) such that the expense items with respect to the period up to and
including the Adjustment Date will be for Sellers&#146; account and the expense items with respect to
the period after the Adjustment Date will be for Buyer&#146;s account. For purposes of this <U>Section
9.4</U>, the term &#147;<U>equitable manner</U>&#148; will mean that Sellers will be allocated such items
based on a fraction, the numerator of which is the number of days in the applicable period ending
on and including the Adjustment Date and the denominator of which is the total number of days in
such period, and Buyer will be allocated the remainder:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;General and special real property ad valorem Taxes and payments in lieu of such Taxes
attributable to any Straddle Period in an equitable manner (as defined above). If the Closing Date
occurs before the Tax rate, assessment or amount of any payment in lieu of such Taxes is fixed for
any Straddle Period, the apportionment of such Taxes and payments at Closing will be based upon
the most recently ascertainable Tax bills and Buyer shall receive a credit at Closing against the
Purchase Price for the aggregate amount allocated to Sellers; <U>provided</U> that Buyer and
Sellers will recalculate and re-prorate such Taxes and payments and make the necessary cash
adjustments promptly upon the issuance, and on the basis, of the actual Tax bills and statements
received for any such Straddle Period and the amount of any payments in lieu of Tax made with
respect to any such Straddle Period.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Personal property Taxes and payments in lieu of such Taxes attributable to any Straddle
Period in an equitable manner (as defined above). If the Closing Date occurs before the Tax rate,
assessment or amount of any payment in lieu of such Taxes is fixed for any Straddle Period, the
apportionment of such Taxes and payments at Closing will be based upon a reasonable estimate
mutually agreed upon by Buyer and Sellers and Buyer shall receive a credit at Closing against the
Purchase Price for the aggregate amount allocated to Sellers; <U>provided</U> that Buyer and
Sellers will recalculate and re-prorate such Taxes and payments and make the necessary cash
adjustments promptly upon the issuance, and on the basis, of the actual Tax bills and statements
received for any such Straddle Period.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Utility charges and other apportionments and adjustments as are customarily apportioned
upon the transfer of real and personal property in the county and state in which the subject
property is located.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;To the extent any Taxes or payments described in <U>Section&nbsp;9.4(a)</U> or <U>(b)</U>
are adjusted as a result of any governmental Tax audit or administrative or court proceeding,
Buyer
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">and Sellers will recalculate and re-prorate such Taxes and payments and make the necessary
cash adjustments promptly upon the resolution of such audit or proceeding.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;9.5 <U>Tax Treatment of Indemnity Payments</U>. Sellers and Buyer agree to treat any
indemnity payment made pursuant to this Agreement as an adjustment to the Purchase Price for
federal, state, local and foreign income Tax purposes.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE X<BR>
CONDITIONS PRECEDENT TO BUYER&#146;S OBLIGATIONS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The obligation of Buyer to consummate the transactions contemplated hereby on the Closing Date
is subject to the receipt of the certificates, documents and instruments referenced in <U>Section
3.3</U> and to the satisfaction of the following conditions at or prior to the Closing:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;10.1 <U>Accuracy of Representations and Warranties</U>. The representations and
warranties of Sellers made in this Agreement and in any other certificate or writing delivered
pursuant hereto shall be true and correct as of the date thereof, and such representations and
warranties (a)&nbsp;if qualified by materiality, shall be true and correct and (b)&nbsp;if not qualified by
materiality, shall be true and correct in all material respects, in both cases as of the time of
the Closing as though made as of such time, except to the extent such representations and
warranties expressly relate to an earlier date, in which case then as of such earlier date.
Sellers shall have performed or complied in all material respects with all obligations and
covenants required by this Agreement to be performed or complied with by Sellers by the time of the
Closing. Sellers shall have delivered to Buyer a certificate dated the Closing Date and signed by
Sellers confirming the foregoing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;10.2 <U>No Law</U>. No Law shall have been enacted, entered, promulgated or enforced
by any Governmental Authority that prohibits or materially and adversely restricts the consummation
of the transactions contemplated hereby.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;10.3 <U>No Order</U>. There shall not be in effect any Order of any Court or
Governmental Authority enjoining the consummation of the transactions contemplated hereby.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;10.4 <U>Waiting Period</U>. Any waiting periods applicable to the transactions
contemplated by this Agreement under the HSR Act and any other applicable antitrust or trade
regulation laws and regulations shall have expired or been terminated and all Permits from
Governmental Authorities required in connection with the transactions contemplated by this
Agreement shall have been obtained or given (other than any post-Closing filings required with
respect to the high explosives permit issued to Sellers by the Department of Treasury &#151; Bureau of
Alcohol, Tobacco and Firearms).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;10.5 <U>Audited Financial Statements</U>. Buyer shall have received from Grant
Thornton LLP the combined audited financial statements (including a balance sheet and the related
statement of income) of the Purchased Business as of and for the years ended December&nbsp;31, 2008 and
December&nbsp;31, 2009.
</DIV>



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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE XI<BR>
CONDITIONS PRECEDENT TO SELLERS&#146; OBLIGATIONS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The obligation of Sellers to consummate the transactions contemplated hereby on the Closing
Date is subject to the receipt of the documents and instruments referenced in <U>Section&nbsp;3.2</U>
and to the satisfaction of the following conditions at or prior to the Closing:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;11.1 <U>Accuracy of Representations and Warranties</U>. The representations and
warranties of Buyer made in this Agreement and in any other certificate or writing delivered
pursuant hereto shall be true and correct as of the date thereof, and such representations and
warranties (a)&nbsp;if qualified by materiality, shall be true and correct and (b)&nbsp;if not qualified by
materiality, shall be true and correct in all material respects, in both cases as of the time of
the Closing as though made as of such time, except to the extent such representations and
warranties expressly relate to an earlier date, in which case then as of such earlier date. Buyer
shall have performed or complied in all material respects with all obligations and covenants
required by this Agreement to be performed or complied with by Buyer at the time of the Closing.
Buyer shall have delivered to Sellers a certificate dated the Closing Date and signed by an
authorized officer of Buyer confirming the foregoing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;11.2 <U>No Law</U>. No Law shall have been enacted, entered, promulgated or enforced
by any Governmental Authority that prohibits or materially and adversely restricts the consummation
of the transactions contemplated hereby.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;11.3 <U>No Order</U>. There shall not be in effect any Order of any Court or
Governmental Authority enjoining the consummation of the transactions contemplated hereby.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;11.4 <U>Waiting Period</U>. Any waiting periods applicable to the transactions
contemplated by this Agreement under the HSR Act and any other applicable antitrust or trade
regulation laws and regulations shall have expired or been terminated and all Permits from
Governmental Authorities required in connection with the transactions contemplated by this
Agreement, shall have been obtained or given (other than any post-Closing filings required with
respect to the high explosives permit issued to Buyer by the Department of Treasury &#151; Bureau of
Alcohol, Tobacco and Firearms).
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE XII<BR>
TERMINATION</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;12.1 <U>Termination of Agreement</U>. This Agreement may be terminated at any time
prior to the Closing:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <I>Mutual Consent</I>. By mutual written consent of Sellers and Buyer;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <I>Material Breach of Sellers</I>. By Buyer, upon written notice of termination of its
obligation to consummate the transaction delivered to Sellers, if Buyer reasonably has determined
that there has been a breach in any material respect of any covenant of Sellers or any
representation or warranty of Sellers shall have been untrue when made or become untrue, in any
such cases such that the conditions set forth in <U>Article&nbsp;X</U> would not be satisfied, stating
in particularity the default or defaults upon which the notice is based; <U>provided</U> that
Buyer has not
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">breached any of its obligations hereunder in any material respect which breach is continuing
at such time; <U>provided</U>, <U>further</U>, that Sellers shall, after receipt of such notice,
have 15&nbsp;days in which to cure such breach and, if so cured, Buyer shall, for that reason, have no
right to terminate this Agreement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <I>Material Breach of Buyer</I>. By Sellers, upon written notice of termination of their
obligation to consummate the transaction delivered to Buyer, if Sellers reasonably determine that
there has been any material breach of any covenant of Buyer or any representation or warranty of
Buyer shall have been untrue when made or become untrue, in any such cases such that the
conditions set forth in <U>Article&nbsp;XI</U> would not be satisfied, stating in particularity the
default or defaults upon which the notice is based; <U>provided</U> that Sellers have not
breached any of their obligations hereunder in any material respect which breach is continuing at
such time; <U>provided</U>, <U>further</U>, that Buyer shall, after receipt of such notice, have
15&nbsp;days in which to cure such breach and, if so cured, Sellers shall, for that reason, have no
right to terminate this Agreement; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <I>Expiration Date</I>. By Sellers or Buyer upon written notice to the other if the Closing
shall not have occurred on or before December&nbsp;1, 2010; <U>provided</U> that the party delivering
such notice is not in material default of any of its obligations hereunder.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;12.2 <U>Effect of Termination</U>. If this Agreement is terminated pursuant to
<U>Section&nbsp;12.1</U>, all further obligations of the parties hereunder shall terminate and there
shall be no liability on the part of any party hereto to another party hereto on account of such
termination, except that the obligations in <U>Article&nbsp;XIV</U> shall survive the termination
hereof; <U>provided</U>, <U>however</U>, that nothing herein shall relieve a breaching or
defaulting party for liability arising from any breach or default by such party that shall occur
prior to the date of termination of this Agreement.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE XIII<BR>
INDEMNIFICATION</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;13.1 <U>In General</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Subject to the terms and conditions of this <U>Article&nbsp;XIII</U>, (A)&nbsp;with respect to
clause (i)&nbsp;of this subsection (a), Seller Parent and Sellers jointly and severally, and (B)&nbsp;with
respect to clauses (ii)&nbsp;and (iii)&nbsp;of this subsection (a), Sellers jointly and severally, agree to
indemnify, defend and hold harmless Buyer and Buyer Parent and their respective directors,
officers, employees, equity owners, agents, representatives, successors and permitted assigns from
and against any and all losses, liabilities, obligations, damages, deficiencies and expenses
(including court costs and reasonable attorneys&#146;, accountants&#146; and other experts&#146; fees and
expenses and expenses in investigating, preparing for and participating in any litigation or
proceeding including all appeals), interest, penalties, amounts paid in settlement, Taxes, fines,
judgments or assessments (collectively, &#147;<U>Damages</U>&#148;) arising out of or resulting from:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;the inaccuracy or breach of any representation or warranty of Sellers or Seller Parent
contained herein, other than the representations and warranties contained in <U>Section
4.11(e)</U>;
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;the breach or nonfulfillment of any covenant or agreement on the part of Sellers or
Seller Parent under the terms of this Agreement; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;any Retained Liability.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Subject to the terms and conditions of this <U>Article&nbsp;XIII</U>, (A)&nbsp;with respect to
clause (i)&nbsp;of this subsection (b), Buyer and Buyer Parent jointly and severally agree, and (B)
with respect to clauses (ii)&nbsp;and (iii)&nbsp;of this subsection (b)&nbsp;Buyer agrees, to indemnify, defend
and hold harmless Sellers and Seller Parent and their respective directors, officers, employees,
equity owners, agents, representatives, successors and permitted assigns from and against all
Damages arising out of or resulting from:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;the inaccuracy or breach of any representation or warranty of Buyer or Buyer Parent
contained herein;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;the nonfulfillment or breach of any covenant or agreement on the part of Buyer or Buyer
Parent under the terms of this Agreement; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;any Assumed Obligation.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;13.2 <U>Method of Asserting Claims, Etc</U>. All claims for indemnification by an
Indemnified Party under <U>Section&nbsp;13.1</U> hereof shall be asserted and resolved as follows:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;If any claim or demand for which an Indemnifying Party would be liable to an Indemnified
Party hereunder is overtly asserted against or sought to be collected from such Indemnified Party
by a third party (a &#147;<U>Third Party Claim</U>&#148;), such Indemnified Party shall promptly (but in no
event later than 10&nbsp;days after the Third Party Claim is so asserted or sought against the
Indemnified Party) notify in writing the Indemnifying Party of such Third Party Claim enclosing a
copy of all papers served, if any, and specifying the nature of and specific basis for such Third
Party Claim and the amount or the estimated amount thereof to the extent then reasonably
determinable, which estimate shall not be conclusive of the final amount of such Third Party Claim
(the &#147;<U>Claim Notice</U>&#148;). Notwithstanding the foregoing, the failure to send or a delay in
sending a Claim Notice as provided above shall not relieve the Indemnifying Party from its
obligation to indemnify the Indemnified Party with respect to any such Third Party Claim, except
and only to the extent that the Indemnifying Party demonstrates that it has been actually
materially prejudiced by such failure or delay.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;In the event of any Third Party Claim, the Indemnifying Party, at its option, may assume
(with legal counsel reasonably acceptable to the Indemnified Party) at its sole cost and expense
the defense of such Third Party Claim if it acknowledges to the Indemnified Party in writing its
obligations to indemnify the Indemnified Party with respect to all elements of such Third Party
Claim and may assert any defense of the Indemnified Party or the Indemnifying Party;
<U>provided</U> that the Indemnified Party has the right at its own expense to participate
jointly with the Indemnifying Party in the defense of any such Third Party Claim. Counsel
representing both the Indemnifying Party and the Indemnified Party must acknowledge in writing its
obligation to act as counsel for all parties being represented and must acknowledge and respect
separate attorney-client privileges with respect to each party represented. If the Indemnifying
Party elects to undertake the defense of any Third Party Claim
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">hereunder, (i)&nbsp;the Indemnifying Party and its counsel shall keep the Indemnified Party
reasonably informed as to its conduct of such defense, and (ii)&nbsp;the Indemnified Party must
cooperate with the Indemnifying Party in the defense or settlement of the Third Party Claim,
including providing access to information, making documents available for inspection and copying,
and making employees available for interviews, depositions and trial. The Indemnifying Party is
not entitled to settle or consent to the entry of any judgment with respect to any Third Party
Claim without the prior written consent of the Indemnified Party, which consent may not be
unreasonably withheld, conditioned or delayed, unless the settlement or judgment involves only the
payment of money damages, contains a full and complete release of the Indemnified Party and does
not impose an injunction or other equitable relief upon the Indemnified Party.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;If the Indemnifying Party, by the 30th day after receipt of the Claim Notice (or, if
earlier, by the tenth day preceding the day on which an answer or other pleading must be served in
order to prevent judgment by default in favor of the Person asserting such Third Party Claim),
does not assume actively and in good faith the defense of any such Third Party Claim or action
resulting therefrom, the Indemnified Party may, at the Indemnifying Party&#146;s expense, defend
against such Third Party Claim or litigation, after giving notice of the same to the Indemnifying
Party, on such terms as the Indemnified Party may deem appropriate, and the Indemnifying Party is
entitled to participate in (but not control) the defense of such action, with its counsel and at
its own expense. The Indemnified Party may not settle or compromise any Third Party Claim for
which it is entitled to indemnification hereunder, without the prior written consent of the
Indemnifying Party, which consent may not be unreasonably withheld, conditioned, or delayed.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;The Indemnified Party shall make available to the Indemnifying Party and its
Representatives all Records and other materials required by the Indemnifying Party and in the
possession or under the control of the Indemnified Party, for the use of the Indemnified Party and
its Representatives in defending any such Third Party Clam, and shall in other respects give
reasonable cooperation in such defense.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;If any Indemnified Party should have a claim against any Indemnifying Party under this
<U>Article&nbsp;XIII</U> which does not involve a Third Party Claim, the Indemnified Party shall
notify the Indemnifying Party of such claim, specifying the nature of and specific basis for such
claim and the amount or the estimated amount of such claim (the &#147;<U>Indemnity Notice</U>&#148;). The
failure by any Indemnified Party to so notify the Indemnifying Party shall not relieve the
Indemnifying Party from any liability which it may have to such Indemnified Party under this
<U>Article&nbsp;XIII</U>, except and only to the extent that the Indemnifying Party demonstrates that
it has been actually materially prejudiced by such failure. If the Indemnifying Party does not
notify the Indemnified Party in writing within 30&nbsp;days from delivery of the Indemnity Notice that
the Indemnifying Party disputes such claim, the amount of such claim specified by the Indemnified
Party shall be conclusively deemed a liability of the Indemnifying Party hereunder. If the
Indemnifying Party has timely disputed such claim, the Indemnifying Party and the Indemnified
Party shall for a period of 30&nbsp;days proceed in good faith to negotiate a resolution of such
dispute and, if not resolved through negotiations, such dispute may, at the option of either
party, be resolved by any method permitted by Law or in equity.
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;13.3 <U>Responsibilities Relating to Environmental Conditions for Which a Seller has
Elected to Conduct Remedial Action</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Sellers shall retain and be solely responsible for all Commercially Reasonable
Remediation Costs arising out of any Potentially Material Environmental Condition for which a
Seller has elected to conduct Remedial Action pursuant to <U>Section&nbsp;6.2(b)(i)</U> (the
&#147;<U>Seller Environmental Liabilities</U>&#148;).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;As between the Parties, Buyer shall have the right to direct and control any Remedial
Actions relating to any Seller Environmental Liability. With respect to any such Seller
Environmental Liability, all discussions, negotiations and proceedings with Governmental
Authorities and other third Persons, and all filings with or other reports made to any
Governmental Authority, shall be conducted or effected by Buyer. Sellers shall have the right to
attend any such discussions, negotiations or proceedings at its own expense, and Buyer shall, to
the extent reasonably practicable, provide Sellers with at least five business days notice in
advance of any such discussions or meeting in order to allow Sellers the opportunity to attend the
same. With respect to each Seller Environmental Liability: (i)&nbsp;Buyer shall provide Sellers with
copies of any reports, studies, notices or filings regarding the Remedial Action prior to filing
or otherwise submitting them to any applicable Government Authority and shall allow Sellers a
reasonable opportunity to review them and, if requested, shall give reasonable consideration to
any comments of Sellers prior to making such submittal to such Governmental Authority; and (ii)
Buyer shall, from time to time and as may be reasonably requested by Sellers, provide reasonable
details to Sellers regarding the status of the Remedial Actions. In conducting any Remedial
Actions, Buyer may use risk-based remediation standards allowed under applicable Environmental
Laws consistent with the Commercially Reasonable Remediation Cost.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;13.4 <U>Remedies</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Notwithstanding anything herein to the contrary, the indemnification provisions of this
<U>Article&nbsp;XIII</U> shall be each party&#146;s sole and exclusive remedy for any breaches of
representations and warranties under this Agreement, and the parties hereto hereby waive any right
to assert claims for such breaches in any other manner.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THIS AGREEMENT, NEITHER BUYER NOR ANY OF ITS
AFFILIATES SHALL BE LIABLE TO SELLERS FOR ANY EXEMPLARY, PUNITIVE, SPECIAL, INDIRECT,
CONSEQUENTIAL, REMOTE OR SPECULATIVE DAMAGES, EXCEPT TO THE EXTENT ANY SUCH DAMAGES ARE INCLUDED
IN ANY ACTION BY A THIRD PARTY AGAINST SELLERS OR ANY OF THEIR RESPECTIVE AFFILIATES FOR WHICH
THEY ARE ENTITLED TO INDEMNIFICATION UNDER THIS AGREEMENT.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THIS AGREEMENT, NEITHER SELLERS NOR ANY OF
THEIR RESPECTIVE AFFILIATES SHALL BE LIABLE TO BUYER FOR ANY EXEMPLARY, PUNITIVE, SPECIAL,
INDIRECT, CONSEQUENTIAL, REMOTE OR SPECULATIVE DAMAGES, EXCEPT TO THE EXTENT ANY SUCH DAMAGES ARE
INCLUDED IN ANY ACTION BY A THIRD
</DIV>



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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">PARTY AGAINST BUYER OR ANY OF ITS AFFILIATES FOR WHICH THEY ARE ENTITLED TO INDEMNIFICATION
UNDER THIS AGREEMENT.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;13.5 <U>Survival of Representations and Warranties; Limitations</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;All representations and warranties in this Agreement shall survive the Closing for 18
months following the Closing Date, except that (i)&nbsp;the representations and warranties contained in
<U>Sections&nbsp;4.1 through 4.5</U>, the first sentence of <U>Section&nbsp;4.12</U> and <U>Sections&nbsp;5.1
through 5.5</U> shall survive the Closing, (ii)&nbsp;the representations and warranties contained in
<U>Sections&nbsp;4.22</U> shall survive the Closing until the third annual anniversary of the Closing
Date and (iii)&nbsp;the representations and warranties contained in <U>Sections&nbsp;4.11</U> and
<U>4.21</U> shall survive the Closing until the sixth annual anniversary of the Closing Date (the
&#147;<U>Survival Periods</U>&#148;). An Indemnifying Party shall not have any liability under this
<U>Article&nbsp;XIII</U> with respect to the inaccuracy or breach of a representation or warranty
unless a written claim for indemnification in accordance with <U>Section&nbsp;13.2</U> is given by the
Indemnified Party to the Indemnifying Party with respect thereto within the applicable Survival
Period.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;No Indemnified Party shall be entitled to indemnification pursuant to this <U>Article
XIII</U> in respect of the inaccuracy or breach of a representation or warranty unless the
aggregate amount of Damages payable to Indemnified Parties hereunder in respect of all such
inaccuracies or breaches exceeds $2,000,000 after which, subject to <U>Section&nbsp;13.4(c)</U>, the
Indemnifying Party shall indemnify the Indemnified Parties for all Damages incurred in excess of
$1,000,000.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;An Indemnifying Party shall have no obligation to indemnify an Indemnified Party pursuant
to this <U>Article&nbsp;XIII</U> with respect to the inaccuracy or breach of representations and
warranties for an aggregate amount of Damages in excess of 15% of the Purchase Price, except that,
(i)&nbsp;in the case of the inaccuracy or breach of the representations and warranties contained in
<U>Sections&nbsp;4.11</U>, <U>4.21</U> and <U>4.22</U>, such cap shall, instead, be 75% of the
Purchase Price and (ii)&nbsp;in the case of the inaccuracy or breach of the representations and
warranties contained in <U>Sections&nbsp;4.1 through 4.5</U>, the first sentence of <U>Section
4.12</U> and <U>Sections&nbsp;5.1 through 5.5</U>, such cap shall, instead, be the Purchase Price.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Regardless of the failure of Sellers to include any relevant information in the Sellers&#146;
Disclosure Schedules or any supplement thereto, to the extent that Sellers can demonstrate that
Buyer had Knowledge of any information that should have been disclosed in the Sellers&#146; Disclosure
Schedules or any supplement thereto, such information shall not form the basis for a claim
pursuant to <U>Article&nbsp;XIII</U> of this Agreement or otherwise give rise to any claim on the part
of Buyer.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;13.6 <U>Recovery</U>. The amount of any Damages for which indemnification is
provided hereunder shall be net of any other amounts recovered by the Indemnified Party with
respect to such Damages, including under insurance policies, indemnity arrangements and the like.
An Indemnified Party who has received a recovery for Damages arising from breach of a
representation, warranty, agreement or covenant under this Agreement which is subject to
indemnification shall have no right to recover twice for the same Damages under the indemnification
provided in this Agreement nor shall its insurer or indemnitor be entitled to any
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">kind of subrogation or substitution which would give it the right to make a claim against the
Indemnifying Party. Each Indemnified Party shall use reasonable efforts to pursue reimbursement
for Damages, including under insurance policies and indemnity arrangements.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;13.7 <U>Express Negligence</U>. THE INDEMNITIES SET FORTH IN THIS <U>ARTICLE
XIII</U> ARE INTENDED TO BE ENFORCEABLE AGAINST THE PARTIES IN ACCORDANCE WITH THE EXPRESS TERMS
AND SCOPE THEREOF NOTWITHSTANDING TEXAS&#146; EXPRESS NEGLIGENCE RULE OR ANY SIMILAR DIRECTIVE THAT
WOULD PROHIBIT OR OTHERWISE LIMIT INDEMNITIES BECAUSE OF THE SIMPLE OR GROSS NEGLIGENCE (WHETHER
SOLE, CONCURRENT, ACTIVE OR PASSIVE) OR OTHER FAULT OR STRICT LIABILITY OF ANY INDEMNIFIED PARTIES.
THE PARTIES HERETO ACKNOWLEDGE THAT THE INDEMNITIES SET FORTH HEREIN MAY RESULT IN THE INDEMNITY
OF A PARTY FOR ITS SIMPLE OR GROSS NEGLIGENCE (WHETHER SOLE, CONCURRENT, ACTIVE OR PASSIVE) OR
OTHER FAULT OR STRICT LIABILITY OF THE INDEMNIFIED PARTY.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE XIV<BR>
MISCELLANEOUS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.1 <U>Amendments</U>. No amendment, modification or waiver in respect of this
Agreement shall be effective unless it shall be in writing and signed by all parties hereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.2 <U>Notices</U>. All notices and other communications hereunder shall be in
writing and shall be deemed given if delivered personally, telecopied, mailed by registered or
certified mail (return receipt requested), or sent by Federal Express or other recognized overnight
courier guaranteeing next business day delivery, to the parties at the following addresses (or at
such other address for a party as shall be specified by like notice):
</DIV>
<DIV align="left" style="font-size: 10pt; margin-left: 6%; margin-top: 6pt">if to Buyer or Buyer Parent:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 6%; margin-top: 6pt">Patterson-UTI Energy, Inc.<BR>
450 Gears Road, Suite&nbsp;500<BR>
Houston, Texas 77067<BR>
Attention: General Counsel
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 6%; margin-top: 6pt">if to Sellers or Seller Parent:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 6%; margin-top: 6pt">Key Energy Services, Inc.<BR>
1301 McKinney, Suite&nbsp;1800<BR>
Houston, Texas 77010<BR>
Attention: General Counsel
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any of the above addresses may be changed at any time by notice given as provided above;
<U>provided</U>, <U>however</U>, that any such notice or change of address shall be effective
only upon receipt. All notices, requests or instructions given in accordance herewith shall be
deemed received on the date of delivery, if hand delivered, on the date of receipt, if telecopied
during the recipient&#146;s normal business hours and if a telecopy confirmation is received, upon
receipt, if mailed by registered or certified mail, return receipt requested, and one business day
after the date of sending, if sent by Federal Express or other recognized overnight courier.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.3 <U>Assignment</U>. This Agreement and the rights and obligations hereunder
shall not be assignable or transferable by any party without the prior written consent of the other
parties hereto. Any attempted assignment in violation of this <U>Section&nbsp;14.3</U> shall be void
<I>ab initio</I>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.4 <U>Severability</U>. If any provision of this Agreement (or any portion
thereof) or the application of any such provision (or any portion thereof) to any person or
circumstance shall be held invalid, illegal or unenforceable in any respect by a court of competent
jurisdiction, such invalidity, illegality or unenforceability shall not affect any other provision
hereof (or the remaining portion thereof) or the application of such provision to any other persons
or circumstances.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.5 <U>Entire Agreement</U>. This Agreement and the documents and instruments and
other agreements specifically referred to herein or delivered pursuant hereto and the
confidentiality agreement dated as of April&nbsp;8, 2010 between Seller Parent and Universal Well
Services, Inc., contain the entire agreement and understanding between the parties hereto with
respect to the subject matter hereof and supersede all prior agreements and understandings, whether
written or oral, relating to such subject matter. In the event of a termination of this Agreement,
the parties&#146; obligations under the above mentioned confidentiality agreement shall survive such
termination.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.6 <U>Governing Law</U>. This Agreement, its construction and any disputes arising
out of, connected with or related to it shall be governed by the Laws of the State of Texas,
without regard to the conflicts of law principles of such state.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.7 <U>Expenses</U>. Whether or not the transactions contemplated hereby are
consummated, and except as otherwise specifically provided in this Agreement, all costs and
expenses incurred in connection with this Agreement and the transactions contemplated hereby shall
be paid by the party incurring such costs or expenses.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.8 <U>Binding Effect; No Third Party Beneficiaries</U>. This Agreement shall be
binding on and shall inure to the benefit of the parties hereto and their respective heirs, legal
representatives, executors, administrators, successors and permitted assigns. Except as provided
in <U>Article&nbsp;XIII</U>, this Agreement is for the sole benefit of the parties hereto and their
respective heirs, legal representatives, executors, administrators, successors and permitted
assigns, and nothing herein expressed or implied shall give or be construed to give to any person,
other than such persons, any legal or equitable rights hereunder.
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.9 <U>Counterparts</U>. This Agreement may be executed in one or more
counterparts, all of which shall be considered one and the same agreement, and shall become
effective when one or more such counterparts have been signed by each of the parties and delivered
to the other party.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.10
<U>Time</U>. Time is of the essence in the performance of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.11
<U>Seller Parent Assurance</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;From the date hereof through the Closing, Seller Parent shall cause Sellers and its other
applicable Affiliates to perform all of their obligations under this Agreement. In the event that
a Seller is not the owner or holder of, or party in interest with respect to, a particular
Purchased Asset, Seller Parent shall cause its applicable Subsidiary that is the owner or holder
of, or party in interest with respect to, such Purchased Asset to convey same to Buyer in
accordance with the terms of this Agreement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;In the event that an Affiliate of a Seller is the owner or holder of, or party in
interest with respect to, a particular Purchased Asset, then the representations and warranties
contained in <U>Sections&nbsp;4.10</U>, <U>4.12</U>, <U>4.13</U>, <U>4.14</U>, <U>4.15</U>,
<U>4.18</U> and <U>4.22</U> shall be deemed to have been made by Sellers with respect to such
Affiliate&#146;s interest in such Purchased Asset.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;14.12 <U>Buyer Parent Assurance</U>. From the date hereof through the Closing, Buyer
Parent shall cause Buyer and its applicable Affiliates to perform all of their obligations under
this Agreement.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">&#091;Signature Page Follows&#093;
</DIV>





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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN WITNESS WHEREOF, this Agreement has been duly executed as of the date first above written.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="12%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD colspan="3" valign="top" align="left"><B>SELLER A:</B></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left"><B>SELLER B:</B></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD colspan="3" valign="top" align="left">KEY ENERGY PRESSURE PUMPING <BR>
SERVICES, LLC</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">KEY ELECTRIC WIRELINE <BR>SERVICES, LLC</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">By:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/&nbsp;Newton W. Wilson III</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">By:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/&nbsp;Newton W. Wilson III</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Newton W. Wilson III
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Newton W. Wilson III
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>SELLER PARENT:</B><BR>
<BR>
KEY ENERGY SERVICES, INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/&nbsp;Newton W. Wilson III</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Newton W. Wilson III&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left" nowrap>Senior Vice President and Chief
Operating Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="12%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD colspan="3" valign="top" align="left"><B>BUYER:</B></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left"><B>BUYER PARENT:</B></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD colspan="3" valign="top" align="left">PORTOFINO ACQUISITION COMPANY</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">PATTERSON-UTI ENERGY, INC.</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">By:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/&nbsp;John E. Vollmer III</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">By:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/&nbsp;John E. Vollmer III</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
John E. Vollmer III<BR>

Senior Vice President &#151; Corporate
Development, Chief Financial
Officer and Treasurer
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
John E. Vollmer III <BR>

Senior Vice President &#151; Corporate
Development, Chief Financial Officer and Treasurer
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>



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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><U><B>EXHIBIT A</B></U>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>(RESERVED)</B>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><U><B>EXHIBIT B</B></U>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>MATERIAL TERMS OF<BR>
TRANSITION SERVICES AGREEMENT</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The following is a summary of terms regarding certain major business points which would be
incorporated in a Transition Services Agreement (the &#147;<U>TSA</U>&#148;) between Portofino Acquisition
Company, a Delaware corporation (&#147;<U>Buyer</U>&#148;), Key Energy Pressure Pumping Services, LLC, a
Texas limited liability company (&#147;<U>Seller A</U>&#148;), Key Electric Wireline Services, LLC, a
Delaware limited liability company (&#147;<U>Seller B</U>&#148;, and together with Seller A, the
&#147;<U>Sellers</U>&#148;), and Key Energy Services, Inc., a Maryland corporation (&#147;<U>Seller
Parent</U>&#148;). Capitalized terms used but not defined herein shall have the meanings given in the
Asset Purchase Agreement (the &#147;<U>Agreement</U>&#148;) to which this term sheet is attached.
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="14%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="84%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>ADDITIONAL</u></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>CONSIDERATION:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">None.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" nowrap><DIV style="margin-left:0px; text-indent:-0px"><u>EXPENSE REIMBURSEMENT:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Reasonable out-of-pocket expenses actually incurred by the party providing transitional services in the course of performing its duties under the TSA.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>TERM:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">120&nbsp;days commencing on the Closing Date.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>TERMINATION:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Automatic at end of Term.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>RENEWAL OPTIONS:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">None.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>STANDARD OF SERVICE:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consistent with historical past practice; no warranties concerning services provided.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>SERVICES COVERED:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Buyer to receive:</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Phone and internet services at certain Transferred Real Property.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Temporary use by Buyer of Seller Parent&#146;s Breaux Bridge, Louisiana facility until the Vincent Road, Lafayette, Louisiana facility is ready for move-in.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="14%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="84%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Sellers to receive:</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shared use of Transferred Real Property at Cleburne, Texas.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Such other transitional services mutually agreed to by the parties between the date of the Agreement and the Closing Date.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><U><B>EXHIBIT C</B></U>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>MATERIAL TERMS OF<BR>
LEASE AGREEMENT</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The following is a summary of terms regarding certain major business points which would be
incorporated in the Buyer Lease Agreement and the applicable Seller Lease Agreement (the
&#147;<U>Lease</U>&#148;) between the applicable tenant (&#147;<U>Tenant</U>&#148;), and the applicable landlord
(&#147;<U>Landlord</U>&#148;) as to the applicable Transferred Leased Real Property identified in the Asset
Purchase Agreement to which this exhibit is attached (the &#147;<U>Agreement</U>&#148;) (the &#147;<U>Leased
Premises</U>&#148;). Capitalized terms used but not defined herein shall have the meanings given in the
Agreement.
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="14%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="84%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>RENT:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">$7,500 per month.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>INSURANCE AND
MAINTENANCE:</u></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">In addition to the Rent, Tenant shall be responsible for all costs of operating and maintaining the Leased Premises including insurance and routine maintenance.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>TAX LIABILITY:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Total tax liability shall be divided 50% to Tenant and 50% to Landlord. Total tax liability shall be determined by the appropriate taxing authorities. Tax payment obligations are based on a daily proration of Tenant&#146;s occupancy term.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>UTILITIES AND MAJOR
REPAIRS:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">All costs for utilities and repairs to major facility systems shall be divided 50% to Tenant and 50% to Landlord.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>COMMENCEMENT DATE:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">The Primary Term shall commence on the Closing Date as defined in the Agreement.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>TERMINATION OF
PRIMARY TERM:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">18&nbsp;months following the Commencement Date or upon 30&nbsp;days&#146; notice by Tenant.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>RENEWAL OPTIONS:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">None.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" nowrap><DIV style="margin-left:0px; text-indent:-0px"><u>USE OF THE <BR>
LEASED
PREMISES:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Tenant shall have the right to use and occupy each tract included in the Leased Premises only for the purposes consistent with Tenant&#146;s business or the business of Tenant&#146;s affiliates.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="14%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="84%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>ENVIRONMENTAL
MATTERS:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Landlord shall indemnify and hold harmless Tenant for any claims made by third parties for damages arising out of the environmental condition of the Leased Premises that constitute an Existing Condition.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>INDEMNITY:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Tenant shall indemnify, defend and hold Landlord harmless from and against any claims arising out of Tenant&#146;s presence or operations on the Leased Premises.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" nowrap><DIV style="margin-left:0px; text-indent:-0px"><u>RETURN OF <BR>
LEASED
PREMISES:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Tenant shall be obligated to return the Leased Premises to Landlord at the end of the term of the Lease in substantially the condition such premises were in on the Commencement Date, ordinary wear and tear excepted.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>RIGHT TO ASSIGN AND
SUBLEASE:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Tenant shall not have the right to
assign or sublease all or any portion of the Leased Premises without
the written consent of Landlord, such consent not to be unreasonably
withheld; <U>provided</U> that Tenant may assign or sublease all or any portion of the Leased Premises at its sole discretion to an affiliate of Tenant or to any purchaser of all or a portion of Tenant&#146;s assets or stock.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>


<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><U><B>EXHIBIT D</B></U>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>MATERIAL TERMS OF<BR>
LEASE AGREEMENT &#151; HEBER SPRINGS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The following is a summary of terms regarding certain major business points which would be
incorporated in a lease agreement (the &#147;<U>Lease</U>&#148;) between an Affiliate of Sellers
(&#147;<U>Tenant</U>&#148;) and<U></U>Buyer (&#147;<U>Landlord</U>&#148;) as to the Heber Springs, Arkansas service
facility used the Wireline Business (the &#147;<U>Leased Premises</U>&#148;). Capitalized terms used but
not defined herein shall have the meanings given in the Asset Purchase Agreement (the
&#147;<U>Agreement</U>&#148;) to which this exhibit is attached.
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="14%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="84%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>RENT:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">$6,000 per month.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>INSURANCE AND
MAINTENANCE:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">In addition to the Rent, Tenant shall be responsible for all costs of operating and maintaining the Leased Premises including insurance and routine maintenance.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>TAX LIABILITY:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Total tax liability shall be divided 50% to Tenant and 50% to Landlord. Total tax liability shall be determined by the appropriate taxing authorities. Tax payment obligations are based on a daily proration of Tenant&#146;s occupancy term.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>UTILITIES AND MAJOR
REPAIRS:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">All costs for utilities and repairs to major facility systems shall be divided 50% to Tenant and 50% to Landlord.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>COMMENCEMENT DATE:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">The Primary Term shall commence on the Closing Date as defined in the Agreement.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>TERMINATION OF
PRIMARY TERM:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">18&nbsp;months following the Commencement Date or upon 30&nbsp;days&#146; notice by Tenant.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>RENEWAL OPTIONS:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">None.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" nowrap><DIV style="margin-left:0px; text-indent:-0px"><u>USE OF THE <BR>
LEASED
PREMISES:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Tenant shall have the right to use and occupy each tract included in the Leased Premises only for the purposes consistent with Tenant&#146;s business or the business of Tenant&#146;s affiliates.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>ENVIRONMENTAL
MATTERS:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Landlord shall indemnify and hold harmless Tenant for any claims made by third parties for damages arising out of the environmental condition of the Leased Premises that constitute an Existing Condition.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="14%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="84%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>INDEMNITY:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Tenant shall indemnify, defend and hold Landlord harmless from and against any claims arising out of Tenant&#146;s presence or operations on the Leased Premises.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" nowrap><DIV style="margin-left:0px; text-indent:-0px"><u>RETURN OF <BR>
LEASED
PREMISES:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Tenant shall be obligated to return the Leased Premises to Landlord at the end of the term of the Lease in substantially the condition such premises were in on the Commencement Date, ordinary wear and tear excepted.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><u>RIGHT TO ASSIGN AND
SUBLEASE:</u>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Tenant shall not have the right to
assign or sublease all or any portion of the Leased Premises without
the written consent of Landlord, such consent not to be unreasonably
withheld; <U>provided</U> that Tenant may assign or sublease all or any portion of the Leased Premises at its sole discretion to an affiliate of Tenant or to any purchaser of all or a portion of Tenant&#146;s assets or stock.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>



</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>3
<FILENAME>d74236exv10w1.htm
<DESCRIPTION>EX-10.1
<TEXT>
<HTML>
<HEAD>
<TITLE>exv10w1</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Exhibit&nbsp;10.1</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><u><i>Execution
copy</i></u>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><DIV style="width: 100%; border-bottom: 3px double #000000; FONT-size: 1px">&nbsp;</DIV>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>364-DAY CREDIT AGREEMENT</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Dated as of July&nbsp;2, 2010
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">among
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>PATTERSON &#151; UTI ENERGY, INC.,</B>
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">as the Borrower,
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>WELLS FARGO BANK, N.A.,</B><BR>
as Administrative Agent and a Lender,
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">and
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">The Other Lenders Party Hereto
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><DIV style="width: 100%; border-bottom: 3px double #000000; FONT-size: 1px">&nbsp;</DIV>
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE
OF CONTENTS</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="95%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Page</B></TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE I DEFINITIONS AND ACCOUNTING TERMS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">1</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">1.01 Defined Terms</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">1</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">1.02 Other Interpretive Provisions</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">20</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">1.03 Accounting Terms</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">21</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">1.04 Rounding</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">21</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">1.05 Times of Day</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">21</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">1.06 Responsible Officer</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">21</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE II THE COMMITMENTS AND CREDIT EXTENSIONS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">22</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.01 Loans</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">22</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.02 Borrowings, Conversions and Continuations of Loans</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">22</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.03 &#091;Reserved&#093;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">23</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.04 Voluntary Prepayments</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">23</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.05 Mandatory Prepayments</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">23</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.06 &#091;Reserved&#093;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">24</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.07 Repayment of Loans</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">24</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.08 Interest</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">24</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.09 Fees</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">25</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.10 Computation of Interest and Fees</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">25</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.11 Evidence of Debt</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">25</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.12 Payments Generally; Administrative Agent&#146;s Clawback</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">26</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">2.13 Sharing of Payments by Lenders</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">27</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE III TAXES, YIELD PROTECTION AND ILLEGALITY</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">28</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">3.01 Taxes</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">28</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">3.02 Illegality</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">30</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">3.03 Inability to Determine Rates</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">31</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">3.04 Increased Costs; Reserves on Eurodollar Rate Loans</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">31</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">3.05 Compensation for Losses</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">32</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">3.06 Mitigation Obligations</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">33</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">3.07 Survival</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">33</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE IV CONDITIONS PRECEDENT TO CREDIT EXTENSIONS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">33</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->-i-<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE
OF CONTENTS</B><BR>
(continued)
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="95%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Page</B></TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">4.01 Conditions of Initial Credit Extension</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">33</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE V REPRESENTATIONS AND WARRANTIES</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">35</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.01 Existence, Qualification and Power; Compliance with Laws</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">35</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.02 Authorization; No Contravention</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">36</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.03 Governmental Authorization; Other Consents</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">36</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.04 Binding Effect</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">36</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.05 Financial Statements</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">36</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.06 Litigation</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">36</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.07 No Default</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">37</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.08 Ownership of Property; Liens</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">37</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.09 Environmental Compliance</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">37</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.10 Insurance</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">37</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.11 Taxes</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">37</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.12 ERISA Compliance</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">37</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.13 Subsidiaries; Equity Interests</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">38</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.14 Margin Regulations; Investment Company Act</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">38</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.15 Disclosure</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">38</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">5.16 Compliance with Laws</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">39</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE VI AFFIRMATIVE COVENANTS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">39</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.01 Financial Statements</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">39</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.02 Certificates; Other Information</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">40</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.03 Notices</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">41</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.04 Payment of Obligations</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">42</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.05 Preservation of Existence, Etc</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">42</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.06 Maintenance of Properties</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">42</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.07 Maintenance of Insurance</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">42</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.08 Compliance with Laws</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">42</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.09 Books and Records</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">43</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.10 Inspection Rights</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">43</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.11 Use of Proceeds</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">43</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->-ii-<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE
OF CONTENTS</B><BR>
(continued)
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="95%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Page</B></TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">6.12 Additional Guarantors</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">43</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>

<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE VII NEGATIVE COVENANTS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">43</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.01 Liens</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">43</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.02 Foreign Subsidiaries and Joint Ventures</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">45</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.03 Indebtedness of Subsidiaries</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">45</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.04 Fundamental Changes</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">46</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.05 Hedging Agreements</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">47</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.06 Change in Nature of Business</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">47</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.07 Transactions with Affiliates</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">47</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.08 Burdensome Agreements</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">48</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.09 Use of Proceeds</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">48</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">7.10 Financial Covenants</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">48</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE VIII EVENTS OF DEFAULT AND REMEDIES</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">48</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">8.01 Events of Default</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">48</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">8.02 Remedies Upon Event of Default</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">50</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">8.03 Application of Funds</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">51</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE IX ADMINISTRATIVE AGENT</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">51</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.01 Appointment and Authority</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">51</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.02 Rights as a Lender</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">51</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.03 Exculpatory Provisions</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">52</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.04 Reliance by Administrative Agent</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">53</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.05 Delegation of Duties</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">53</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.06 Resignation of Administrative Agent</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">53</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.07 Non-Reliance on Administrative Agent and Other Lenders</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">54</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.08 No
Other Duties, Etc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">54</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.09 Administrative Agent May File Proofs of Claim</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">54</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">9.10 Guaranty Matters</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">55</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARTICLE X MISCELLANEOUS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">55</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.01
Amendments, Etc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">55</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.02 Notices; Effectiveness; Electronic Communication</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">56</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->-iii-<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE
OF CONTENTS</B><BR>
(continued)
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="95%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Page</B></TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.03 No Waiver; Cumulative Remedies</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">57</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.04 Expenses; Indemnity; Damage Waiver</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">57</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.05 Payments Set Aside</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">59</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.06 Successors and Assigns</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">59</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.07 Treatment of Certain Information; Confidentiality</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">63</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.08 Right of Setoff</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">64</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.09 Interest Rate Limitation</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">64</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.10 Counterparts; Integration; Effectiveness</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">64</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.11 Survival of Representations and Warranties</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">65</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.12 Severability</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">65</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.13 Replacement of Lenders</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">65</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.14
Governing Law; Jurisdiction; Etc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">66</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.15 Waiver of Jury Trial</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">67</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.16 USA PATRIOT Act Notice</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">67</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:30px; text-indent:-15px">10.17 ENTIRE AGREEMENT</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">67</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><B>SIGNATURES</B></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD nowrap align="right" valign="top">S-1</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->-iv-<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE
OF CONTENTS</B><BR>
(continued)
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>SCHEDULES</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="left" valign="top">2.01</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Commitments and Applicable Percentages</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="left" valign="top">5.13</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Subsidiaries; Other Equity Investments</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="left" valign="top">7.01</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Existing Liens</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="left" valign="top">10.02</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Administrative Agent&#146;s Office; Certain Addresses for Notices</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><B>EXHIBITS</B>

</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><B><I>Form of</I></B></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">A
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Loan Notice</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">B
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Note</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">C
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Compliance Certificate</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">D
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Assignment and Assumption</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">E
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Guaranty</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">F
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Counsel</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">G
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Prepayment Notice</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>364-DAY CREDIT AGREEMENT</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This 364-DAY CREDIT AGREEMENT is entered into as of July&nbsp;2, 2010 among PATTERSON &#151; UTI
ENERGY, INC., a Delaware corporation (the &#147;<U>Borrower</U>&#148;), each lender from time to time party
hereto (collectively, the &#147;<U>Lenders</U>&#148; and individually, a &#147;<U>Lender</U>&#148;), and WELLS FARGO
BANK, N.A., as Administrative Agent and a Lender.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Borrower has requested that the Lenders provide a term loan facility, and the Lenders are
willing to do so on the terms and conditions set forth herein.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In consideration of the mutual covenants and agreements herein contained, the parties hereto
covenant and agree as follows:
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE I</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>DEFINITIONS AND ACCOUNTING TERMS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>1.01 Defined Terms</B>. As used in this Agreement, the following terms shall have the meanings
set forth below:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Acquisition</U>&#148; means the acquisition by the Borrower or one of its wholly-owned
Subsidiaries of certain pressure pumping and electric wireline businesses of the Sellers pursuant
to the Asset Purchase Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Acquisition Documents</U>&#148; means the &#147;Transaction Documents&#148; as defined in the Asset
Purchase Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Administrative Agent</U>&#148; means Wells Fargo in its capacity as administrative agent under
any of the Loan Documents, or any successor administrative agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Administrative Agent&#146;s Office</U>&#148; means the Administrative Agent&#146;s address and, as
appropriate, account as set forth on <U>Schedule&nbsp;10.02</U>, or such other address or account as
the Administrative Agent may from time to time provide to the Borrower and the Lenders.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Administrative Questionnaire</U>&#148; means an Administrative Questionnaire in a form
supplied by the Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Affiliate</U>&#148; means, with respect to any Person, another Person that directly, or
indirectly through one or more intermediaries, Controls or is Controlled by or is under common
Control with the Person specified.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Aggregate Commitments</U>&#148; means the Commitments of all the Lenders.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Agreement</U>&#148; means this 364-Day Credit Agreement, as the same may hereafter be renewed,
extended, amended or restated from time to time.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Applicable Percentage</U>&#148; means with respect to any Lender at any time, the percentage
(carried out to the ninth decimal place) of the Aggregate Commitments represented by such Lender&#146;s
Commitment at such time. If the commitment of each Lender to make Loans has been terminated
pursuant to <U>Section&nbsp;8.02</U> or if the Aggregate Commitments have expired, then the Applicable
Percentage of each Lender shall be determined based on the Applicable Percentage of such Lender
most recently in effect, giving effect to any subsequent assignments. The initial Applicable
Percentage of each Lender is set forth opposite the name of such Lender on <U>Schedule&nbsp;2.01</U> or
in the Assignment and Assumption pursuant to which such Lender becomes a party hereto, as
applicable.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Applicable Rate</U>&#148; means, from time to time, the following percentages per annum, based
upon the Debt to Capitalization Ratio as set forth below:
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><u><B><I>Applicable Rate</I></B></u>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="21%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="21%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="21%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="21%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Eurodollar</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Debt to</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Rate;</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B><I>Pricing</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Capitalization</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Letters of</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B><I>Level</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B><I>Ratio</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B><I>Credit</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B><I>Base Rate</I></B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD align="center" valign="top"><I>1</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>Less than or equal to 20%</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>3.00%</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>2.00%</I></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><I>2</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" nowrap><I>Greater than 20%, but less
than or equal to 30%</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>3.50%</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>2.50%</I></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD align="center" valign="top"><I>3</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>Greater than 30%</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>4.00%</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>3.00%</I></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any increase or decrease in the Applicable Rate resulting from a change in the Debt to
Capitalization Ratio shall become effective as of the date (the &#147;<U>Adjustment Date</U>&#148;) that is
the first day of the fiscal quarter (the &#147;<U>Applicable Quarter</U>&#148;) immediately following the
date that a Compliance Certificate is due to be delivered pursuant to <U>Section&nbsp;6.02(b)</U>
hereof; <I>provided</I>, <I>however</I>, that if a Compliance Certificate is not delivered within thirty (30)
days after the date due, then Pricing Level 3 shall apply as of the Adjustment Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Applicable Rate in effect from the Closing Date through the date the Compliance
Certificate is delivered in connection with the fiscal quarter ended September&nbsp;30, 2010, shall be
the Pricing Level 1.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Asset Disposition</U>&#148; means any disposition, (i)&nbsp;whether by sale, lease, license,
transfer or otherwise, to a Person that is not a Subsidiary of any or all of the property of the
Borrower or any of its Subsidiaries, other than (a)&nbsp;dispositions in the ordinary course of
business, (b)&nbsp;any casualty or other insured damage to, or any taking under power of eminent domain
or condemnation or similar proceeding of, any property or asset of the Borrower or any of its
Subsidiaries, (c)&nbsp;leases or subleases of property and licenses or sublicenses of intellectual
property, (d)&nbsp;dispositions or write-downs of accounts receivable in connection with the compromise,
settlement or collection thereof in the ordinary course of business or bankruptcy or similar
proceedings, (e)&nbsp;disposition of investments&#146; acquired in connection with the bankruptcy or
reorganization of, or settlement of
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->-2-<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">delinquent accounts and disputes with customers and suppliers
or as a result of a foreclosure by Borrower or any of its Subsidiaries with respect to any secured
investment or other transfer of title with respect to any secured investment in default, (f)
customary post closing settlement arrangements as part of a merger or acquisition, (g)&nbsp;Liens permitted by Section&nbsp;7.01, (h)
voluntary termination of Swap Contracts; and (ii)&nbsp;the Net Proceeds of which exceed $5,000,000 in a
single transaction or $10,000,000 in the aggregate during any fiscal year.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Asset Purchase Agreement</U>&#148; means the Asset Purchase Agreement dated as of July&nbsp;2, 2010
among one or more of the Borrower&#146;s wholly-owned Subsidiaries, the Borrower, the Sellers, and Key
Energy Services, Inc., a Maryland corporation, together with all exhibits and schedules thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Assignment and Assumption</U>&#148; means an assignment and assumption entered into by a
Lender and an Eligible Assignee (with the consent of any party whose consent is required by
<U>Section&nbsp;10.06(b)</U>), and accepted by the Administrative Agent, in substantially the form of
Exhibit&nbsp;D or any other form approved by the Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Attributable Indebtedness</U>&#148; means, on any date, (a)&nbsp;in respect of any capital lease of
any Person, the capitalized amount thereof that would appear on a balance sheet of such Person
prepared as of such date in accordance with GAAP, and (b)&nbsp;in respect of any Synthetic Lease
Obligation, the capitalized amount of the remaining lease payments under the relevant lease that
would appear on a balance sheet of such Person prepared as of such date in accordance with GAAP if
such lease were accounted for as a capital lease.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Audited Financial Statements</U>&#148; means the audited consolidated balance sheet of the
Borrower and its Subsidiaries for the fiscal year ended December&nbsp;31, 2009, and the related
consolidated statements of income or operations, shareholders&#146; equity and cash flows for such
fiscal year of the Borrower and its Subsidiaries, including the notes thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Base Rate</U>&#148; means for any day a fluctuating rate per annum equal to the greatest of
(a)&nbsp;the Federal Funds Rate plus one and one-half percent (1.50%), (b)&nbsp;the Daily One Month LIBOR
Rate plus one and one-half percent (1.50%), and (c)&nbsp;the rate of interest in effect for such day as
publicly announced from time to time by Wells Fargo as its &#147;prime rate.&#148; The &#147;prime rate&#148; is a
rate set by Wells Fargo based upon various factors including Wells Fargo&#146;s costs and desired
return, general economic conditions and other factors, and is used as a reference point for pricing
some loans, which may be priced at, above, or below such announced rate. Any change in such rate
announced by Wells Fargo shall take effect at the opening of business on the day specified in the
public announcement of such change.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Base Rate Loan</U>&#148; means a Loan that bears interest based on the Base Rate.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Borrower</U>&#148; has the meaning specified in the introductory paragraph hereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Borrowing</U>&#148; means a borrowing consisting of simultaneous Loans of the same Type and,
in the case of Eurodollar Rate Loans, having the same Interest Period, made by each of the Lenders
pursuant to <U>Section&nbsp;2.01</U>.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->-3-<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Business Day</U>&#148; means any day other than a Saturday, Sunday or other day on which
commercial banks are authorized to close under the Laws of, or are in fact closed in, the state
where the Administrative Agent&#146;s Office is located and, if such day relates to any Eurodollar
Rate Loan, means, in addition, any such day on which dealings in Dollar deposits are conducted by
and between banks in the London interbank eurodollar market.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Change in Law</U>&#148; means the occurrence, after the date of this Agreement, of any of the
following: (a)&nbsp;the adoption or taking effect of any law, rule, regulation or treaty, (b)&nbsp;any
change in any law, rule, regulation or treaty or in the administration, interpretation or
application thereof by any Governmental Authority or (c)&nbsp;the making or issuance of any request,
guideline or directive (whether or not having the force of law) by any Governmental Authority.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Change of Control</U>&#148; means an event or series of events by which:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;any &#147;person&#148; or &#147;group&#148; (as such terms are used in <U>Sections&nbsp;13(d)</U> and
<U>14(d)</U> of the Securities Exchange Act of 1934, but excluding any employee benefit plan of
such person or its subsidiaries, and any person or entity acting in its capacity as trustee, agent
or other fiduciary or administrator of any such plan) becomes the &#147;beneficial owner&#148; (as defined in
Rules&nbsp;13d-3 and 13d-5 under the Securities Exchange Act of 1934, except that a person or group
shall be deemed to have &#147;beneficial ownership&#148; of all securities that such person or group has the
right to acquire (such right, an &#147;option right&#148;), whether such right is exercisable immediately or
only after the passage of time), directly or indirectly, of 25% or more of the equity securities of
the Borrower entitled to vote for members of the board of directors or equivalent governing body of
the Borrower on a fully-diluted basis (and taking into account all such securities that such person
or group has the right to acquire pursuant to any option right);
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;during any period of 12 consecutive months, a majority of the members of the board of
directors or other equivalent governing body of the Borrower cease to be composed of individuals
(i)&nbsp;who were members of that board or equivalent governing body on the first day of such period,
(ii)&nbsp;whose election or nomination to that board or equivalent governing body was approved by
individuals referred to in clause (i)&nbsp;above constituting at the time of such election or nomination
at least a majority of that board or equivalent governing body or (iii)&nbsp;whose election or
nomination to that board or other equivalent governing body was approved by individuals referred to
in clauses (i)&nbsp;and (ii)&nbsp;above constituting at the time of such election or nomination at least a
majority of that board or equivalent governing body (excluding, in the case of both clause (ii)&nbsp;and
clause (iii), any individual whose initial nomination for, or assumption of office as, a member of
that board or equivalent governing body occurs as a result of an actual or threatened solicitation
of proxies or consents for the election or removal of one or more directors by any person or group
other than a solicitation for the election of one or more directors by or on behalf of the board of
directors); or
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;any Person or two or more Persons acting in concert shall have acquired by contract or
otherwise, or shall have entered into a contract or arrangement that, upon consummation thereof,
will result in its or their acquisition of the power to exercise, directly or indirectly, a
controlling influence over the management or policies of the Borrower, or control over the equity
securities of the Borrower entitled to vote for members of the board of directors or equivalent
governing body of the Borrower on a fully-diluted basis (and taking into account
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->-4-<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">all such securities that such Person or group has the right to acquire pursuant to any option
right) representing 25% or more of the combined voting power of such securities.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Closing Date</U>&#148; means the first date all the conditions precedent in <U>Section
4.01</U> are satisfied or waived in accordance with <U>Section&nbsp;10.01</U>, which date shall not be
later than September&nbsp;30, 2010 (or October&nbsp;30 upon Wells Fargo&#146;s receipt of the Commitment Extension
Fee (as defined in the Fee Letter)).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Code</U>&#148; means the Internal Revenue Code of 1986, as amended.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Commitment</U>&#148; means, as to each Lender, its obligation to make Loans to the Borrower
pursuant to <U>Section&nbsp;2.01</U> in an aggregate principal amount at any one time outstanding not
to exceed the amount set forth opposite such Lender&#146;s name on <U>Schedule&nbsp;2.01</U> or in the
Assignment and Assumption pursuant to which such Lender becomes a party hereto, as applicable, as
such amount may be adjusted from time to time in accordance with this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Compliance Certificate</U>&#148; means a certificate substantially in the form of Exhibit&nbsp;C.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Consolidated EBITDA</U>&#148; means, for any period, for the Borrower and its Subsidiaries on
a consolidated basis, an amount equal to Consolidated Net Income for such period plus (a)&nbsp;the
following to the extent deducted in calculating such Consolidated Net Income: (i)&nbsp;Consolidated
Interest Charges for such period, (ii)&nbsp;the provision for Federal, state, local and foreign income
taxes (including state franchise taxes based on income or similar taxes based on income) payable by
the Borrower and its Subsidiaries for such period, (iii)&nbsp;depreciation, depletion and amortization
expense and (iv)&nbsp;other expenses of the Borrower and its Subsidiaries reducing such Consolidated Net
Income which do not represent a cash item in such period or any future period and minus, to the
extent included in calculating such Consolidated Net Income, all non-cash items increasing
Consolidated Net Income for such period. For the purposes of calculating Consolidated EBITDA for
any period of four consecutive fiscal quarters, if the Borrower or any Subsidiary has had a
material acquisition during such period, Consolidated EBITDA for such period shall be calculated
after giving <I>pro forma </I>effect thereto as if such material acquisition had occurred on the first day
of such period.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Consolidated Funded Indebtedness</U>&#148; means, as of any date of determination,
Indebtedness of the Borrower and its Subsidiaries on a consolidated basis, excluding (a)
Indebtedness of the type described in clauses (b) (so long as such amounts in such clause are
contingent obligations), (c)&nbsp;and (g)&nbsp;of the definition of Indebtedness; and (b)&nbsp;Guarantees in
respect of Indebtedness described in the foregoing clause (a).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Consolidated Interest Charges</U>&#148; means, for any period, for the Borrower and its
Subsidiaries on a consolidated basis, the sum of (a)&nbsp;all interest, premium payments, debt discount,
fees, charges and related expenses of the Borrower and its Subsidiaries in connection with borrowed
money (including capitalized interest) or in connection with the deferred purchase price of assets,
in each case to the extent treated as interest in accordance with GAAP, and (b)&nbsp;the portion of rent
expense of the Borrower and its Subsidiaries with respect to such period under capital leases that
is treated as interest in accordance with GAAP.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->-5-<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Consolidated Net Income</U>&#148; means, for any period, for the Borrower and its Subsidiaries
on a consolidated basis, the net income of the Borrower and its Subsidiaries (excluding
extraordinary gains and extraordinary losses) for that period.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Consolidated Net Worth</U>&#148; means, as of any date of determination, for the Borrower and
its Subsidiaries on a consolidated basis, Shareholders&#146; Equity of the Borrower and its Subsidiaries
on that date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Contractual Obligation</U>&#148; means, as to any Person, any provision of any security issued
by such Person or of any agreement, instrument or other undertaking to which such Person is a party
or by which it or any of its property is bound.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Control</U>&#148; means the possession, directly or indirectly, of the power to direct or
cause the direction of the management or policies of a Person, whether through the ability to
exercise voting power, by contract or otherwise. &#147;Controlling&#148; and &#147;Controlled&#148; have meanings
correlative thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Credit Extension</U>&#148; means a Borrowing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Daily One Month LIBOR</U>&#148; means, for any day, the rate per annum equal to the Eurodollar
Rate for a one month Interest Period.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Debt to Capitalization Ratio</U>&#148; means the ratio of Consolidated Funded Indebtedness to
Total Capital.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Debtor Relief Laws</U>&#148; means the Bankruptcy Code of the United States, and all other
liquidation, conservatorship, bankruptcy, assignment for the benefit of creditors, moratorium,
rearrangement, receivership, insolvency, reorganization, or similar debtor relief Laws of the
United States or other applicable jurisdictions from time to time in effect and affecting the
rights of creditors generally.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Default</U>&#148; means any event or condition that constitutes an Event of Default or that,
with the giving of any notice, the passage of time, or both, would be an Event of Default.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Default Rate</U>&#148; means an interest rate equal to (a)&nbsp;the Base Rate plus (b)&nbsp;the
Applicable Rate, if any, applicable to Base Rate Loans plus (c)&nbsp;2% per annum; <I>provided</I>, <I>however</I>,
that with respect to a Eurodollar Rate Loan, the Default Rate shall be an interest rate equal to
the interest rate (including any Applicable Rate) otherwise applicable to such Loan plus 2% per
annum.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Defaulting Lender</U>&#148; means any Lender that (a)&nbsp;has failed to fund any portion of the
Loans or any other amount required to be funded by it hereunder within one Business Day of the date
required to be funded by it hereunder, (b)&nbsp;has indicated to the Administrative Agent that such
Lender will not fund any portion of the Loans required to be funded by it hereunder, (c)&nbsp;has
otherwise failed to pay over to the Administrative Agent or any other Lender any other amount
required to be paid by it hereunder within one Business Day of the date when due, unless the
subject of a good faith dispute, or (d) (i)&nbsp;has become, been deemed, or is insolvent or (ii)&nbsp;become
the subject of a bankruptcy or insolvency proceeding, or has had a receiver, conservator,
trustee,
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">or custodian appointed for it, or has taken any action in furtherance of, or indicating
its consent to, approval of or acquiescence in any such proceeding or appointment.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Disposition</U>&#148; or &#147;<U>Dispose</U>&#148; means the sale, transfer, license, lease or other
disposition (including any sale and leaseback transaction) of any property by any Person, including
any sale, assignment, transfer or other disposal, with or without recourse, of any notes or
accounts receivable or any rights and claims associated therewith.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Dollar</U>&#148; and &#147;<U>$</U>&#148; mean lawful money of the United States.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Domestic Subsidiary</U>&#148; means any Subsidiary that is organized under the laws of any
political subdivision of the United States.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Eligible Assignee</U>&#148; means any Person (other than a natural person) approved by (a)&nbsp;the
Administrative Agent and (b)&nbsp;unless an Event of Default has occurred and is continuing, the
Borrower (each such approval not to be unreasonably withheld or delayed); <I>provided </I>that
notwithstanding the foregoing, &#147;Eligible Assignee&#148; shall not include the Borrower or any of the
Borrower&#146;s Affiliates or Subsidiaries.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Laws</U>&#148; means any and all Federal, state, local, and foreign statutes,
laws, regulations, ordinances, rules, judgments, orders, decrees, permits, concessions, grants,
franchises, licenses, agreements or governmental restrictions relating to pollution and the
protection of the environment or the release of any materials into the environment, including those
related to hazardous substances or wastes, air emissions and discharges to waste or public systems.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Environmental Liability</U>&#148; means any liability, contingent or otherwise (including any
liability for damages, costs of environmental remediation, fines, penalties or indemnities), of the
Borrower, any other Loan Party or any of their respective Subsidiaries directly or indirectly
resulting from or based upon (a)&nbsp;violation of any Environmental Law, (b)&nbsp;the generation, use,
handling, transportation, storage, treatment or disposal of any Hazardous Materials, (c)&nbsp;exposure
to any Hazardous Materials, (d)&nbsp;the release or threatened release of any Hazardous Materials into
the environment or (e)&nbsp;any contract, agreement or other consensual arrangement pursuant to which
liability is assumed or imposed with respect to any of the foregoing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Equity Interests</U>&#148; means, with respect to any Person, all of the shares of capital
stock of (or other ownership or profit interests in) such Person, all of the warrants, options or
other rights for the purchase or acquisition from such Person of shares of capital stock of (or
other ownership or profit interests in) such Person, all of the securities convertible into or
exchangeable for shares of capital stock of (or other ownership or profit interests in) such Person
or warrants, rights or options for the purchase or acquisition from such Person of such shares (or
such other interests), and all of the other ownership or profit interests in such Person (including
partnership, member or trust interests therein), whether voting or nonvoting, and whether or not
such shares, warrants, options, rights or other interests are outstanding on any date of
determination.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Equity Issuance</U>&#148; means any issuance of Equity Interests by the Borrower after the
Closing Date, other than Equity Interests issued pursuant to stock option plans or other benefit
plans, incentive or compensation arrangements or agreements for directors, officers or
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">employees of
the Borrower and its Subsidiaries, or issued or sold as compensation and held by future, present or
former directors, officers, members of management, employees or consultants of the Borrower or any
of its Subsidiaries or family members or relatives thereof, or trusts, partnerships or limited
liability companies for the benefit or any of the foregoing, or any of their heirs, executors
successors and legal representatives
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Equity Issuance Proceeds</U>&#148; means, with respect to any Equity Issuance, all cash
proceeds actually received by the Borrower from such Equity Issuance, net of underwriting discounts
and commissions and net of out-of-pocket costs, expenses and disbursements paid or incurred in
connection therewith; for the avoidance of doubt, the Borrower shall be deemed not to have received
cash proceeds for purposes of this definition with respect to the cashless exercise of a warrant,
option or other right or the withholding of cash for tax purposes related to the exercise of a
warrant, option or other right.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>ERISA</U>&#148; means the Employee Retirement Income Security Act of 1974.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>ERISA Affiliate</U>&#148; means any trade or business (whether or not incorporated) under
common control with the Borrower within the meaning of Section 414(b) or (c), (m)&nbsp;or (o)&nbsp;of the
Code.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>ERISA Event</U>&#148; means (a)&nbsp;a Reportable Event with respect to a Pension Plan; (b)&nbsp;a
withdrawal by the Borrower or any ERISA Affiliate from a Pension Plan subject to Section&nbsp;4063 of
ERISA during a plan year in which it was a substantial employer (as defined in Section&nbsp;4001(a)(2)
of ERISA) or a cessation of operations that is treated as such a withdrawal under Section 4062(e)
of ERISA; (c)&nbsp;a complete withdrawal (within the meaning of Section&nbsp;4203 of ERISA) or partial
withdrawal (within the meaning of Section&nbsp;4205 of ERISA) by the Borrower or any ERISA Affiliate
from a Multiemployer Plan or receipt by the Borrower or an ERISA Affiliate of notice that a
Multiemployer Plan is in reorganization within the meaning of Section&nbsp;4241 of ERISA; (d)&nbsp;the filing
of a notice of intent to terminate, the treatment of a Plan amendment as a termination under
Section 4041(c) of ERISA, receipt by the Borrower or an ERISA Affiliate of notice or the
termination or a Multiemployer Plan under Section&nbsp;4041A of ERISA, or receipt by the Borrower or an
ERISA Affiliate of notice of the commencement of proceedings by the PBGC to terminate a Pension
Plan or Multiemployer Plan; (e)&nbsp;receipt by the Borrower or an ERISA Affiliate of notice of a
determination by the PBGC that an event has occurred or a condition exists which constitutes
grounds under Section&nbsp;4042 of ERISA for the termination of, or the appointment of a trustee to
administer, any Pension Plan or Multiemployer Plan; or (f)&nbsp;the imposition of any liability under
Title IV of ERISA, other than for PBGC premiums due but not delinquent under Section&nbsp;4007 of ERISA,
upon the Borrower or any ERISA Affiliate.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Eurodollar Rate</U>&#148; means, for any Interest Period with respect to a Eurodollar Rate
Loan, the rate per annum (rounded upward, if necessary, to the nearest whole 1/8 of 1%) equal to
the British Bankers Association LIBOR Rate (&#147;<U>BBA LIBOR</U>&#148;), as published by Reuters (or other
commercially available, internationally recognized source providing quotations of BBA LIBOR as
designated by the Administrative Agent from time to time) at approximately 11:00&nbsp;a.m., London time,
two (2)&nbsp;Business Days prior to the commencement of such Interest Period, for Dollar deposits (for
delivery on the first day of such Interest Period) with a term equivalent to
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">such Interest Period. If such rate is not available at such time for any reason or will not adequately and fairly reflect
the cost to the Required Lenders of funding such Loan, then either (A)&nbsp;the &#147;Eurodollar Rate&#148; for
such Interest Period shall be the rate per annum determined by the Administrative Agent to be the
rate at which deposits in Dollars for delivery on the first day of such Interest Period in same day
funds in the approximate amount of the Eurodollar Rate Loan being made, continued or converted by
Administrative Agent and with a term equivalent to such Interest Period would be offered by
Administrative Agent&#146;s London Branch to major banks in the London interbank eurodollar market at
their request at approximately 11:00&nbsp;a.m. (London time) two Business Days prior to the commencement
of such Interest Period or (B)&nbsp;for purposes of determining the Daily One Month LIBOR Rate only, the
Daily One Month LIBOR Rate shall be equal to the arithmetic average (rounded in accordance with
normal market practice) of BBA LIBOR for each day during the week prior to BBA LIBOR becoming
unavailable.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Eurodollar Rate Loan</U>&#148; means a Loan that bears interest at a rate based on the
Eurodollar Rate.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Event of Default</U>&#148; has the meaning specified in <U>Section&nbsp;8.01</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Excluded Taxes</U>&#148; means, with respect to the Administrative Agent, any Lender or any
other recipient of any payment to be made by or on account of any obligation of the Borrower
hereunder, (a)&nbsp;taxes imposed on or measured by its overall net income (however denominated), and
franchise taxes imposed on it (in lieu of net income taxes), by the United States, any state
thereof, or by the jurisdiction (or any political subdivision thereof) under the laws of which such
recipient is organized or in which its principal office is located or, in the case of any Lender,
in which its applicable Lending Office is located, (b)&nbsp;any branch profits taxes imposed by the
United States or any similar tax imposed by any other jurisdiction in which the Administrative
Agent, any Lender, any other recipient of any payment to be made by or on account of any obligation
of the Borrower hereunder or the Borrower is located, (c)&nbsp;in the case of a Foreign Lender, any
withholding tax that is imposed on amounts payable to such Foreign Lender at the time such Foreign
Lender becomes a party hereto (or designates a new Lending Office) or is attributable to such
Foreign Lender&#146;s failure or inability (other than as a result of a Change in Law) to comply with
<U>Section&nbsp;3.01(e)</U>, except to the extent that such Foreign Lender (or its assignor, if any)
was entitled, at the time of designation of a new Lending Office (or assignment), to receive
additional amounts from the Borrower with respect to such withholding tax pursuant to <U>Section
3.01(a)</U>, and (d)&nbsp;in the case of any Foreign Lender that is subject to withholding tax on
amounts payable to such Foreign Lender at the time such Foreign Lender becomes a party hereto (or
designates a new Lending Office), any additional withholding tax that is imposed on amounts payable
to such Foreign Lender as a result of a Change in Law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Existing Credit Agreement</U>&#148; means the Credit Agreement dated as of March&nbsp;20, 2009
among the Borrower, the lenders party thereto and Wells Fargo, as administrative agent, as amended,
supplemented or otherwise modified on or before the date hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Federal Funds Rate</U>&#148; means, for any day, the rate per annum equal to the weighted
average of the rates on overnight Federal funds transactions with members of the Federal Reserve
System arranged by Federal funds brokers on such day, as published by the Federal Reserve Bank of
New York on the Business Day next succeeding such day; <I>provided </I>that (a)&nbsp;if
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">such day is not a Business Day, the Federal Funds Rate for such day shall be such rate on such
transactions on the next preceding Business Day as so published on the next succeeding Business
Day, and (b)&nbsp;if no such rate is so published on such next succeeding Business Day, the Federal
Funds Rate for such day shall be the rate most recently published.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Fee Letter</U>&#148; means the letter agreement, dated June&nbsp;17, 2010, between the Borrower and
Wells Fargo.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Foreign Lender</U>&#148; means any Lender that is organized under the laws of a jurisdiction
other than that in which the Borrower is resident for tax purposes. For purposes of this
definition, the United States, each State thereof and the District of Columbia shall be deemed to
constitute a single jurisdiction.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Foreign Subsidiary</U>&#148; means any Subsidiary other than a Domestic Subsidiary.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>FRB</U>&#148; means the Board of Governors of the Federal Reserve System of the United States.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>GAAP</U>&#148; means generally accepted accounting principles in the United States set forth
in the opinions and pronouncements of the Accounting Principles Board and the American Institute of
Certified Public Accountants and statements and pronouncements of the Financial Accounting
Standards Board or such other principles as may be approved by a significant segment of the
accounting profession in the United States, that are applicable to the circumstances as of the date
of determination, consistently applied.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Governmental Authority</U>&#148; means the government of the United States or any other
nation, or of any political subdivision thereof, whether state or local, and any agency, authority,
instrumentality, regulatory body, court, central bank or other entity exercising executive,
legislative, judicial, taxing, regulatory or administrative powers or functions of or pertaining to
government (including any supra-national bodies such as the European Union or the European Central
Bank).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Guarantee</U>&#148; means, as to any Person, (a)&nbsp;any obligation, contingent or otherwise, of
such Person guaranteeing or having the economic effect of guaranteeing any Indebtedness or other
obligation payable or performable by another Person (the &#147;primary obligor&#148;) in any manner, whether
directly or indirectly, and including any obligation of such Person, direct or indirect, (i)&nbsp;to
purchase or pay (or advance or supply funds for the purchase or payment of) such Indebtedness or
other obligation, (ii)&nbsp;to purchase or lease property, securities or services for the purpose of
assuring the obligee in respect of such Indebtedness or other obligation of the payment or
performance of such Indebtedness or other obligation, (iii)&nbsp;to maintain working capital, equity
capital or any other financial statement condition or liquidity or level of income or cash flow of
the primary obligor so as to enable the primary obligor to pay such Indebtedness or other
obligation, or (iv)&nbsp;entered into for the purpose of assuring in any other manner the obligee in
respect of such Indebtedness or other obligation of the payment or performance thereof or to
protect such obligee against loss in respect thereof (in whole or in part), or (b)&nbsp;any Lien on any
assets of such Person securing any Indebtedness or other obligation of any other Person, whether or
not such Indebtedness or other obligation is assumed by such Person (or any right, contingent
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">or otherwise, of any holder of such Indebtedness to obtain any such Lien). The amount of any
Guarantee shall be deemed to be an amount equal to the stated or determinable amount of the related
primary obligation, or portion thereof, in respect of which such Guarantee is made or, if not
stated or determinable, the maximum reasonably anticipated liability in respect thereof as
determined by the guaranteeing Person in good faith. The term &#147;Guarantee&#148; as a verb has a
corresponding meaning.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Guarantor</U>&#148; means (a)&nbsp;as of the Closing Date, each of the Domestic Subsidiaries
identified on <U>Schedule&nbsp;5.13</U>, and (b)&nbsp;after the Closing Date, any other Subsidiary of the
Company required to execute a Guaranty under <U>Section&nbsp;6.12</U> hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Guaranty</U>&#148; means the Guaranty made by the Guarantors in favor of the Administrative
Agent and the Lenders, substantially in the form of Exhibit&nbsp;E, and such additional guaranty
agreements as may hereafter be executed.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Hazardous Materials</U>&#148; means all explosive or radioactive substances or wastes and all
hazardous or toxic substances, wastes or other pollutants, including petroleum or petroleum
distillates, asbestos or asbestos-containing materials, polychlorinated biphenyls, radon gas,
infectious or medical wastes and all other substances or wastes of any nature regulated pursuant to
any Environmental Law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Hydrocarbon Interests</U>&#148; means all rights, titles, interests and estates now owned or
hereafter acquired by the Borrower or any of its Subsidiaries in any and all oil, gas and other
liquid or gaseous hydrocarbon properties and interests, including without limitation, mineral fee
or lease interests, production sharing agreements, concession agreements, license agreements,
service agreements, risk service agreements or similar Hydrocarbon interests granted by an
appropriate Governmental Authority, farmout, overriding royalty and royalty interests, net profit
interests, oil payments, production payment interests and similar interests in Hydrocarbons,
including any reserved or residual interests of whatever nature.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Hydrocarbons</U>&#148; means oil, gas, casing head gas, condensate, distillate, liquid
hydrocarbons, gaseous hydrocarbons, all products refined, separated, settled and dehydrated
therefrom, including, without limitation, kerosene, liquefied petroleum gas, refined lubricating
oils, diesel fuel, drip gasoline, natural gasoline, helium, sulfur and all other minerals.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Immaterial Subsidiary</U>&#148; means Ambar Lone Star Fluids Services LLC and any Subsidiary
having total assets (real or personal, tangible or intangible) of less than $100,000.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Impacted Lender</U>&#148; means (a)&nbsp;any Lender that is a Defaulting Lender and (b)&nbsp;any Lender
as to which (i)&nbsp;the Borrower, the Administrative Agent has a good faith belief that such Lender has
defaulted in fulfilling its obligations under one or more other syndicated credit facilities or
(ii)&nbsp;an entity that controls such Lender has been deemed insolvent or become subject to a
bankruptcy or other similar proceeding.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Indebtedness</U>&#148; means, as to any Person at a particular time, without duplication, all
of the following, whether or not included as indebtedness or liabilities in accordance with GAAP:
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;all obligations of such Person for borrowed money and all obligations of such Person
evidenced by bonds, debentures, notes, loan agreements or other similar instruments;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) (i)&nbsp;reimbursement obligations of such Person in respect of letters of credit (including
standby and commercial), bankers&#146; acceptances, bank guaranties, surety bonds and similar
instruments; and (ii)&nbsp;contingent obligations of such Person in respect of letters of credit
(including standby and commercial), bankers&#146; acceptances, bank guaranties, surety bonds and similar
instruments;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;net obligations of such Person under any Swap Contract;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;all obligations of such Person to pay the deferred purchase price of property or services
(other than (i)&nbsp;trade accounts payable to a Person in the United States or Canada in the ordinary
course of business and, in each case, not past due for more than 60&nbsp;days, and (ii)&nbsp;trade accounts
payable to a Person in a country other than the United States or Canada in the ordinary course of
business and, in each case, not past due for more than 120&nbsp;days); and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;indebtedness (excluding prepaid interest thereon) secured by a Lien on property owned or
being purchased by such Person (including indebtedness arising under conditional sales or other
title retention agreements), whether or not such indebtedness shall have been assumed by such
Person or is limited in recourse;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;capital leases;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;Off-Balance Sheet Liabilities;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;obligations in respect of a forward sale of production for which such Person has received
payment in advance other than on ordinary trade terms;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;all obligations of such Person to purchase, redeem, retire, defease or otherwise make any
payment in respect of any Equity Interest in such Person or any other Person, on a date certain and
not subject to any contingencies, or at the option of the holder of such Equity Interest, valued,
in the case of a redeemable preferred interest, at the greater of its voluntary or involuntary
liquidation preference plus accrued and unpaid dividends; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;all Guarantees of such Person in respect of any of the foregoing.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For all purposes hereof, the Indebtedness of any Person shall include the Indebtedness of any
partnership or joint venture (other than a joint venture that is itself a corporation or limited
liability company) in which such Person is a general partner or a joint venturer, unless such
Indebtedness is expressly made non-recourse to such Person. The amount of any net obligation under
any Swap Contract on any date shall be deemed to be the Swap Termination Value thereof as of such
date. The amount of any capital lease or Synthetic Lease Obligation as of any date shall be deemed
to be the amount of Attributable Indebtedness in respect thereof as of such date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Indemnified Taxes</U>&#148; means Taxes other than Excluded Taxes.
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Indemnitees</U>&#148; has the meaning specified in <U>Section&nbsp;10.04(b)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Interest Coverage Ratio</U>&#148; means, as of any date of determination, the ratio of (a)
Consolidated EBITDA for the period of the four prior fiscal quarters ending on such date to (b)
Consolidated Interest Charges for such period.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Interest Payment Date</U>&#148; means, (a)&nbsp;as to any Loan other than a Base Rate Loan, the
last day of each Interest Period applicable to such Loan and the Maturity Date; <I>provided</I>, <I>however</I>,
that if any Interest Period for a Eurodollar Rate Loan exceeds three months, the respective dates
that fall every three months after the beginning of such Interest Period shall also be Interest
Payment Dates; and (b)&nbsp;as to any Base Rate Loan, the last Business Day of each March, June,
September and December and the Maturity Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Interest Period</U>&#148; means, as to each Eurodollar Rate Loan, the period commencing on the
date such Eurodollar Rate Loan is disbursed or converted to or continued as a Eurodollar Rate Loan
and ending on the date one, three or six months thereafter, as selected by the Borrower in its Loan
Notice; <I>provided </I>that:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;any Interest Period that would otherwise end on a day that is not a Business Day shall be
extended to the next succeeding Business Day unless such Business Day falls in another calendar
month, in which case such Interest Period shall end on the next preceding Business Day;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;any Interest Period that begins on the last Business Day of a calendar month (or on a day
for which there is no numerically corresponding day in the calendar month at the end of such
Interest Period) shall end on the last Business Day of the calendar month at the end of such
Interest Period; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;no Interest Period shall extend beyond the Maturity Date.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Investment</U>&#148; means, as to any Person, any direct or indirect acquisition or investment
by such Person, whether by means of (a)&nbsp;the purchase or other acquisition of capital stock or other
securities of another Person, or (b)&nbsp;a loan, advance or capital contribution to, Guarantee or
assumption of debt of, or purchase or other acquisition of any other debt or equity participation
or interest in, another Person, including any partnership or joint venture interest in such other
Person and any arrangement pursuant to which the investor Guarantees Indebtedness of such other
Person. For purposes of covenant compliance, the amount of any Investment shall be the amount
actually invested, without adjustment for subsequent increases or decreases in the value of such
Investment. The term &#147;Investment&#148; does not include (a)&nbsp;investment in cash equivalents or
short-term marketable debt securities; (b)&nbsp;extensions of credit in the nature of accounts
receivable or notes receivable arising from the grant of trade credit in the ordinary course of
business, or (c)&nbsp;investments in direct ownership interests in Oil and Gas Properties (and related
personal property used in the operating, working or development thereof), net revenue interests,
royalty interests, or related to Oil and Gas Agreements, or other similar arrangements in the
ordinary course of the Borrower&#146;s business which are usual and customary in the ordinary course of
the oil and gas exploration and production business. As used in this definition, &#147;Person&#148; does not
include a natural person.
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>IRS</U>&#148; means the United States Internal Revenue Service.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Joint Venture</U>&#148; means any Person (A)&nbsp;in which the Borrower or a Subsidiary invests
cash, or to which the Borrower or a Subsidiary transfers assets (other than in the ordinary course
of business) used or useful in the Borrower&#146;s or such Subsidiary&#146;s business, and the Borrower or
such Subsidiary receives in return ownership interests in such Person, (B)&nbsp;that carries on a trade
or business that is the same or similar to the business carried on by the Borrower and its
Subsidiaries, (C)&nbsp;some portion of the equity interests (excluding director&#146;s qualifying shares or
similar ownership qualifications applying to such Person&#146;s board of directors or similar policy
making group) of which are owned by a Person or Persons other than the Borrower or its
Subsidiaries, and (D)&nbsp;the senior management functions of which are carried out by a group that
includes officers or directors of the Borrower or a Subsidiary; <I>provided</I>, <I>however</I>, that a Joint
Venture shall not include:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;a natural person, or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;a Person having a class of common stock (a)&nbsp;that is registered under the Securities
Exchange Act of 1934, (b)&nbsp;that is publicly traded on a recognized national market, including
electronic markets such as the NASDAQ Stock Market, or (c)&nbsp;for which bid or ask prices are quoted
in the publication known as the pink sheets or similar reporting service for thinly traded
companies.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Laws</U>&#148; means, collectively, all international, foreign, Federal, state and local
statutes, treaties, rules, guidelines, regulations, ordinances, codes and administrative or
judicial precedents or authorities, including the interpretation or administration thereof by any
Governmental Authority charged with the enforcement, interpretation or administration thereof, and
all applicable administrative orders, directed duties, requests, licenses, authorizations and
permits of, and agreements with, any Governmental Authority.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Lender</U>&#148; has the meaning specified in the introductory paragraph hereto and, as the
context requires.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Lending Office</U>&#148; means, as to any Lender, the office or offices of such Lender
described as such in such Lender&#146;s Administrative Questionnaire, or such other office or offices as
a Lender may from time to time designate by notice to the Borrower and the Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Lien</U>&#148; means any mortgage, pledge, hypothecation, assignment, deposit arrangement,
encumbrance, lien (statutory or other), charge, or preference, priority or other security interest
or preferential arrangement in the nature of a security interest of any kind or nature whatsoever
(including any conditional sale or other title retention agreement, any easement, right of way or
other encumbrance on title to real property, and any financing lease having substantially the same
economic effect as any of the foregoing).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Loan</U>&#148; has the meaning specified in <U>Section&nbsp;2.01</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Loan Documents</U>&#148; means this Agreement, each Note, the Fee Letter and the Guaranty.
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Loan Notice</U>&#148; means a notice of (a)&nbsp;a Borrowing, (b)&nbsp;a conversion of Loans from one
Type to the other, or (c)&nbsp;a continuation of Eurodollar Rate Loans, pursuant to <U>Section
2.02(a)</U>, which, if in writing, shall be substantially in the form of <U>Exhibit&nbsp;A</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Loan Parties</U>&#148; means, collectively, the Borrower and each Guarantor.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Material Adverse Effect</U>&#148; means (a)&nbsp;a material adverse change in, or a material
adverse effect upon, the operations, business, properties, liabilities (actual or contingent),
condition (financial or otherwise) of the Borrower and its Subsidiaries, taken as a whole; (b)&nbsp;a
material impairment of the ability of the Loan Parties collectively to perform their payment or
other material obligations under any Loan Document; (c)&nbsp;a material adverse effect upon the
legality, validity, binding effect or enforceability against the Borrower of any Loan Document to
which it is a party, or (d)&nbsp;a material adverse effect upon the legality, validity, binding effect
or enforceability against a Guarantor of any Loan Document to which it is a party if such material
adverse effect constitutes a material adverse effect on the legality, validity, binding effect or
enforceability of the Loan Documents against the Borrower and the Guarantors considered as a whole.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Maturity Date</U>&#148; means the day immediately preceding the one year anniversary of the
Closing Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Multiemployer Plan</U>&#148; means any employee benefit plan of the type described in Section
4001(a)(3) of ERISA, to which the Borrower or any ERISA Affiliate makes or is obligated to make
contributions, or with respect to which the Borrower or any ERISA Affiliate may have any liability,
contingent or otherwise.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Net Debt Proceeds</U>&#148; means cash proceeds received from the issuance or incurrence by
the Borrower or any Subsidiary of (a)&nbsp;during the period from and including the Closing Date to
September&nbsp;15, 2010 (or October&nbsp;15, 2010 upon the Administrative Agent&#146;s receipt of the Commitment
Extension Fee referred to in the Fee Letter), Indebtedness with respect to either (i)&nbsp;promissory
notes issued in a public offering or a Rule&nbsp;144A or other private placement or (ii)&nbsp;the funded term
loan portion of the Permanent Credit Facility and (b)&nbsp;thereafter, any funded Indebtedness for
borrowed money (other than the Existing Credit Agreement and any purchase money Indebtedness), in
each case, net of underwriting discounts and commissions and out-of-pocket costs and expenses and
disbursements paid or incurred by the Borrower or any of its Subsidiaries in connection therewith.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Net Proceeds</U>&#148; means with respect to any Asset Disposition, the sum of all proceeds in
cash, checks or other cash equivalents as and when received by the Person making such Asset
Disposition less: (a)&nbsp;the direct costs relating to such Asset Disposition, (b)&nbsp;sale, use or other
transaction taxes incurred as a result thereof, and (c)&nbsp;amounts required to be applied to repay
principal, interest and prepayment premiums and penalties on Indebtedness (other than the Loans)
secured by a Lien on the property which is the subject of such Asset Disposition.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Notes</U>&#148; means a promissory note made by the Borrower in favor of a Lender evidencing
Loans made by such Lender, substantially in the form of <U>Exhibit&nbsp;B</U>.
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Obligations</U>&#148; means all advances to, and debts, liabilities, obligations, covenants
and duties of, any Loan Party arising under any Loan Document or otherwise with respect to any
Loan, whether direct or indirect (including those acquired by assumption), absolute or contingent,
due or to become due, now existing or hereafter arising and including interest and fees that accrue
after the commencement by or against any Loan Party or any Affiliate thereof of any proceeding
under any Debtor Relief Laws naming such Person as the debtor in such proceeding, regardless of
whether such interest and fees are allowed claims in such proceeding.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Off-Balance Sheet Liabilities</U>&#148; means, with respect to any Person as of any date of
determination thereof, without duplication and to the extent not included as a liability on the
consolidated balance sheet of such Person and its Subsidiaries in accordance with GAAP: (a)&nbsp;with
respect to any asset securitization transaction (including any accounts receivable purchase
facility) (i)&nbsp;the unrecovered investment of purchasers or transferees of assets so transferred
<I>provided </I>that such investment is ultimately due for repayment at some date certain, and (ii)&nbsp;any
other payment, recourse, repurchase, hold harmless, indemnity or similar obligation of such Person
or any of its Subsidiaries in respect of assets transferred or payments made in respect thereof,
other than limited recourse provisions that are customary for transactions of such type and that
neither (x)&nbsp;have the effect of limiting the loss or credit risk of such purchasers or transferees
with respect to payment or performance by the obligors of the assets so transferred nor (y)&nbsp;impair
the characterization of the transaction as a true sale under applicable Laws (including Debtor
Relief Laws); (b)&nbsp;any Synthetic Lease Obligation; (c)&nbsp;the monetary obligations under any sale and
leaseback transaction which does not create a liability on the consolidated balance sheet of such
Person and its Subsidiaries; or (d)&nbsp;any other monetary obligation arising with respect to any other
transaction which (i)&nbsp;is characterized as indebtedness for tax purposes but not for accounting
purposes in accordance with GAAP or (ii)&nbsp;is the functional equivalent of or takes the place of
borrowing but which does not constitute a liability on the consolidated balance sheet of such
Person and its Subsidiaries (for purposes of this clause (d), any transaction structured to provide
tax deductibility as interest expense of any dividend, coupon or other periodic payment will be
deemed to be the functional equivalent of a borrowing).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Oil and Gas Agreements</U>&#148; means operating agreements, processing agreements, farm-out
and farm-in agreements, development agreements, area of mutual interest agreements, contracts for
the gathering and/or transportation of oil and natural gas, unitization agreements, pooling
arrangements, joint bidding agreements, joint venture agreements, participation agreements, surface
use agreements, service contracts, leases and subleases of Oil and Gas Properties or other similar
agreements which are customary in the oil and gas business, howsoever designated, in each case made
or entered into in the ordinary course of the oil and gas business as conducted by the Borrower and
its Subsidiaries.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Oil and Gas Properties</U>&#148; means (a)&nbsp;Hydrocarbon Interests; (b)&nbsp;the Property now or
hereafter pooled or unitized with Hydrocarbon Interests; (c)&nbsp;all presently existing or future
unitization, pooling agreements and declarations of pooled units and the units created thereby
(including, without limitation, all units created under orders, regulations and rules of any
Governmental Authority) which may affect all or any portion of the Hydrocarbon Interests; (d)&nbsp;all
operating agreements, contracts and other agreements which relate to any of the Hydrocarbon
Interests or the production, sale, purchase, exchange or processing of Hydrocarbons from or
attributable to such Hydrocarbon Interest; (e)&nbsp;all Hydrocarbons in and under and which may be
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">produced and saved or attributable to the Hydrocarbon Interests, the lands covered thereby and
all oil in tanks and all rents, issues, profits, proceeds, products, revenues and other income from
or attributable to the Hydrocarbon Interests; and (f)&nbsp;all tenements, hereditaments, appurtenances
and property in any manner appertaining, belonging, affixed or incidental to the Hydrocarbon
Interests, and any and all property, now owned or hereinafter acquired and situated upon, used,
held for use or useful in connection with the operating, working or development of any of such
Hydrocarbon Interests or property (excluding drilling rigs, automotive equipment or other personal
property which may be on such premises for the purpose of drilling a well or for other similar
temporary uses) and including any and all oil wells, gas wells, injection wells or other wells,
buildings, structures, fuel separators, liquid extraction plants, plant compressors, pumps, pumping
units, field gathering systems, tanks and tank batteries, fixtures, valves, fittings, machinery and
parts, engines, boilers, meters, apparatus, equipment, appliances, tools, implements, cables,
wires, towers, casing, tubing and rods, surface leases, rights-of-way, easements and servitudes
together with all additions, substitutions, replacements, accessions and attachments to any and all
of the foregoing.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Organization Documents</U>&#148; means, (a)&nbsp;with respect to any corporation, the certificate
or articles of incorporation and the bylaws (or equivalent or comparable constitutive documents
with respect to any non-U.S. jurisdiction); (b)&nbsp;with respect to any limited liability company, the
certificate or articles of formation or organization and operating or limited liability company
agreement; and (c)&nbsp;with respect to any partnership, joint venture, trust or other form of business
entity, the partnership, joint venture or other applicable agreement of formation or organization
and any agreement, instrument, filing or notice with respect thereto filed in connection with its
formation or organization with the applicable Governmental Authority in the jurisdiction of its
formation or organization and, if applicable, any certificate or articles of formation or
organization of such entity.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Other Taxes</U>&#148; means all present or future stamp or documentary taxes or any other
excise or property taxes, charges or similar levies (other than Excluded Taxes) arising from any
payment made hereunder or under any other Loan Document or from the execution, delivery or
enforcement of, or otherwise with respect to, this Agreement or any other Loan Document, except to
the extent such taxes, charges or similar levies are attributable to a Lender&#146;s failure to comply
with <U>Section&nbsp;3.01(e)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Outstanding Amount</U>&#148; means with respect to Loans on any date, the aggregate
outstanding principal amount thereof after giving effect to any borrowings and prepayments or
repayments of Loans occurring on such date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Participant</U>&#148; has the meaning specified in <U>Section&nbsp;10.06(d)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>PBGC</U>&#148; means the Pension Benefit Guaranty Corporation.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Pension Plan</U>&#148; means any &#147;employee pension benefit plan&#148; (as such term is defined in
Section&nbsp;3(2) of ERISA), other than a Multiemployer Plan, that is subject to Title IV of ERISA and
is sponsored or maintained by the Borrower or any ERISA Affiliate or to which the Borrower or any
ERISA Affiliate contributes or has an obligation to contribute, or in the case of
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">a multiple employer or other plan described in Section 4064(a) of ERISA, with respect to which
the Borrower or any ERISA Affiliate, may have any liability, contingent or otherwise.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Permanent Credit Facility</U>&#148; means a bank credit facility that refinances the
Indebtedness under the Existing Credit Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Person</U>&#148; means any natural person, corporation, limited liability company, trust,
joint venture, association, company, partnership, Governmental Authority or other entity.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Plan</U>&#148; means any &#147;employee benefit plan&#148; (as such term is defined in Section&nbsp;3(3) of
ERISA) established by the Borrower or, with respect to any such plan that is subject to Section&nbsp;412
of the Code or Title IV of ERISA, any ERISA Affiliate.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Qualified Investment</U>&#148; means expenditures incurred by the Borrower or any Subsidiary
in order to acquire (a)&nbsp;assets of the same type as those subject to such Reinvestment Event; or (b)
equipment, real property, or other fixed or capital assets owned (or to be owned) by and used (or
to be used) in the business of the Borrower and its Subsidiaries.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Register</U>&#148; has the meaning specified in <U>Section&nbsp;10.06(c)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Reinvestment Deferred Amount</U>&#148; means with respect to an Asset Disposition, the
aggregate Net Proceeds received by the Borrower or any of its Subsidiaries in connection therewith
that are specified in a Reinvestment Notice as not being initially subject to <U>Section
2.05(a)</U> as a result of the delivery of such Reinvestment Notice.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Reinvestment Event</U>&#148; means any Asset Disposition in respect of which the Borrower has
delivered a Reinvestment Notice.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Reinvestment Notice</U>&#148; means a written notice executed by the Borrower stating that no
Default or Event of Default has occurred and is continuing and stating that the Borrower and its
Subsidiaries intend and expect to use all or a specified portion of the Net Proceeds of a
Reinvestment Event specified in such notice to make a Qualified Investment.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Reinvestment Prepayment Amount</U>&#148; means with respect to any Reinvestment Event, the
Reinvestment Deferred Amount relating thereto less the portion, if any, thereof expended prior to
the relevant Reinvestment Prepayment Date to make a Qualified Investment.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Reinvestment Prepayment Date</U>&#148; means, with respect to any Reinvestment Event, the
earlier of (a)&nbsp;the 180th day immediately after the consummation of such Reinvestment Event and (b)
the date on which the Borrower shall have determined not to make a Qualified Investment in respect
of such Reinvestment Event.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Related Parties</U>&#148; means, with respect to any Person, such Person&#146;s Affiliates and the
partners, directors, officers, employees, agents and advisors of such Person and of such Person&#146;s
Affiliates.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Reportable Event</U>&#148; means any of the events set forth in Section 4043(c) of ERISA,
other than events for which the 30-day notice period has been waived.
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Request for Credit Extension</U>&#148; means with respect to a Borrowing, conversion or
continuation of Loans, a Loan Notice.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Required Lenders</U>&#148; means, as of any date of determination, Lenders having more than
50% of the Aggregate Commitments or, if the commitment of each Lender to make Loans has been
terminated pursuant to <U>Section&nbsp;8.02</U>, Lenders holding in the aggregate more than 50% of the
Total Outstandings.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Responsible Officer</U>&#148; means the chief executive officer, president, chief financial
officer, treasurer or assistant treasurer of a Loan Party.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>SEC</U>&#148; means the Securities and Exchange Commission, or any Governmental Authority
succeeding to any of its principal functions.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Sellers</U>&#148; means Key Energy Pressure Pumping Services, LLC, a Texas limited liability
company, and Key Electric Wireline Services, LLC, a Delaware limited liability company.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Shareholders&#146; Equity</U>&#148; means, as of any date of determination, consolidated
shareholders&#146; equity of the Borrower and its Subsidiaries as of that date determined in accordance
with GAAP.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Solvent</U>&#148; means, as to any Person, on the date of any determinations, that on such
date the fair value of the property of such Person, exclusive of property transferred, concealed
or removed with intent to hinder, delay or defraud such entity&#146;s creditors and property that may be
exempted from property of a bankruptcy estate pursuant to Section&nbsp;522 of the Bankruptcy Code of
1978, as amended, is greater than the total amount of the debts of such Person.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>SPC</U>&#148; has the meaning specified in <U>Section&nbsp;10.06(h)</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Subsidiary</U>&#148; of a Person means a corporation, partnership, joint venture, limited
liability company or other business entity of which a majority of the shares of securities or other
interests having ordinary voting power for the election of directors or other governing body (other
than securities or interests having such power only by reason of the happening of a contingency)
are at the time beneficially owned, or the management of which is otherwise controlled, directly,
or indirectly through one or more intermediaries, or both, by such Person. Unless otherwise
specified, all references herein to a &#147;Subsidiary&#148; or to &#147;Subsidiaries&#148; shall refer to a Subsidiary
or Subsidiaries of the Borrower.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Swap Contract</U>&#148; means (a)&nbsp;any and all rate swap transactions, basis swaps, credit
derivative transactions, forward rate transactions, commodity swaps, commodity options, forward
commodity contracts, equity or equity index swaps or options, bond or bond price or bond index
swaps or options or forward bond or forward bond price or forward bond index transactions, interest
rate options, forward foreign exchange transactions, cap transactions, floor transactions, collar
transactions, currency swap transactions, cross-currency rate swap transactions, currency options,
spot contracts, or any other similar transactions or any combination of any of the foregoing
(including any options to enter into any of the foregoing), whether or not any such transaction is
governed by or subject to any master agreement, and (b)&nbsp;any and all transactions of any kind, and
the related confirmations, which are subject to the terms and conditions of, or governed by, any
form of master agreement published by the International
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Swaps and Derivatives Association, Inc., any International Foreign Exchange Master Agreement,
or any other master agreement (any such master agreement, together with any related schedules, a
&#147;<U>Master Agreement</U>&#148;), including any such obligations or liabilities under any Master
Agreement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Swap Termination Value</U>&#148; means, in respect of any one or more Swap Contracts, after
taking into account the effect of any legally enforceable netting agreement relating to such Swap
Contracts, (a)&nbsp;for any date on or after the date such Swap Contracts have been closed out and
termination values determined in accordance therewith, such termination values, and (b)&nbsp;for any
date prior to the date referenced in clause (a), the amounts determined as the mark-to-market
values for such Swap Contracts, as determined based upon one or more mid-market or other readily
available quotations provided by any recognized dealer in such Swap Contracts (which may include a
Lender or any Affiliate of a Lender).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Synthetic Lease Obligation</U>&#148; means the monetary obligation of a Person under (a)&nbsp;a
so-called synthetic, off-balance sheet or tax retention lease, or (b)&nbsp;an agreement for the use or
possession of property creating obligations that do not appear on the balance sheet of such Person
but which, upon the insolvency or bankruptcy of such Person, would be characterized as the
indebtedness of such Person (without regard to accounting treatment).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Taxes</U>&#148; means all present or future taxes, levies, imposts, duties, deductions,
withholdings, assessments, fees or other charges imposed by any Governmental Authority, including
any interest, additions to tax or penalties applicable thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Threshold Amount</U>&#148; means $20,000,000.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Total Capital</U>&#148; means, at any time, the sum of (a)&nbsp;Consolidated Funded Indebtedness
and (b)&nbsp;Consolidated Net Worth.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Total Outstandings</U>&#148; means the aggregate Outstanding Amount of all Loans.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Type</U>&#148; means, with respect to a Loan, its character as a Base Rate Loan or a
Eurodollar Rate Loan.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Unfunded Pension Liability</U>&#148; means the excess of a Pension Plan&#146;s benefit liabilities
under Section&nbsp;4001(a)(16) of ERISA as of the most recently completed fiscal year of the Pension
Plan, over the current value of that Pension Plan&#146;s assets as of the most recently completed fiscal
year of the Pension Plan, determined in accordance with the assumptions used for funding the
Pension Plan pursuant to Section&nbsp;412 of the Code for the applicable plan year.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>United States</U>&#148; and &#147;<U>U.S.</U>&#148; mean the United States of America.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;<U>Wells Fargo</U>&#148; means Wells Fargo Bank, N.A. and its successors.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>1.02 Other Interpretive Provisions</B>. With reference to this Agreement and each other Loan
Document, unless otherwise specified herein or in such other Loan Document:
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;The definitions of terms herein shall apply equally to the singular and plural forms of
the terms defined. Whenever the context may require, any pronoun shall include the corresponding
masculine, feminine and neuter forms. The words &#147;include,&#148; &#147;includes&#148; and &#147;including&#148; shall be
deemed to be followed by the phrase &#147;without limitation.&#148; The word &#147;will&#148; shall be construed to
have the same meaning and effect as the word &#147;shall.&#148; Unless the context requires otherwise, (i)
any definition of or reference to any agreement, instrument or other document (including any
Organization Document) shall be construed as referring to such agreement, instrument or other
document as from time to time amended, supplemented or otherwise modified (subject to any
restrictions on such amendments, supplements or modifications set forth herein or in any other Loan
Document), (ii)&nbsp;any reference herein to any Person shall be construed to include such Person&#146;s
successors and assigns, (iii)&nbsp;the words &#147;herein,&#148; &#147;hereof&#148; and &#147;hereunder,&#148; and words of similar
import when used in any Loan Document, shall be construed to refer to such Loan Document in its
entirety and not to any particular provision thereof, (iv)&nbsp;all references in a Loan Document to
Articles, Sections, Exhibits and Schedules shall be construed to refer to Articles and Sections of,
and Exhibits and Schedules to, the Loan Document in which such references appear, (v)&nbsp;any reference
to any law shall include all statutory and regulatory provisions consolidating, amending replacing
or interpreting such law and any reference to any law or regulation shall, unless otherwise
specified, refer to such law or regulation as amended, modified or supplemented from time to time,
and (vi)&nbsp;the words &#147;asset&#148; and &#147;property&#148; shall be construed to have the same meaning and effect
and to refer to any and all tangible and intangible assets and properties, including cash,
securities, accounts and contract rights.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;In the computation of periods of time from a specified date to a later specified date, the
word &#147;from&#148; means &#147;from and including;&#148; the words &#147;to&#148; and &#147;until&#148; each mean &#147;to but excluding;&#148;
and the word &#147;through&#148; means &#147;to and including.&#148;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Section headings herein and in the other Loan Documents are included for convenience of
reference only and shall not affect the interpretation of this Agreement or any other Loan
Document.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>1.03 Accounting Terms</B>. (a) <U>Generally</U>. All accounting terms not specifically or
completely defined herein shall be construed in conformity with, and all financial data (including
financial ratios and other financial calculations) required to be submitted pursuant to this
Agreement shall be calculated and prepared in conformity with, GAAP applied on a consistent basis,
as in effect from time to time, applied in a manner consistent with that used in preparing the
Audited Financial Statements, except as otherwise specifically prescribed herein.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Changes in GAAP</U>. Except as otherwise expressly provided herein, all terms of an
accounting or financial nature shall be construed in accordance with GAAP, as in effect from time
to time; <I>provided </I>that, if the Borrower notifies the Administrative Agent that the Borrower
requests an amendment to any provision hereof to eliminate the effect of any change occurring after
the date hereof in GAAP (including but not limited to any Statement of Financial Accounting
Standards) or in the application thereof on the operation of such provision (or if the
Administrative Agent notifies the Borrower that the Required Lenders request an amendment to any
provision hereof for such purpose), regardless of whether any such notice is given before or after
such change in GAAP or in the application thereof, then (a)&nbsp;such provision shall be
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">interpreted on the basis of GAAP as in effect and applied immediately before such change shall
have become effective until such notice shall have been withdrawn or such provision amended in
accordance herewith, and (b)&nbsp;if such change in GAAP would affect the computation of any financial
ratio or requirement set forth in this Agreement, then if so requested by the Administrative Agent,
the Borrower shall provide to the Administrative Agent and the Lenders financial statements and
other documents required under this Agreement or as reasonably requested setting forth a
reconciliation between calculations of such ratio or requirement made before and after giving
effect to such change in GAAP.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>1.04 Rounding</B>. Any financial ratios required to be maintained by the Borrower pursuant to
this Agreement shall be calculated by dividing the appropriate component by the other component,
carrying the result to one place more than the number of places by which such ratio is expressed
herein and rounding the result up or down to the nearest number (with a rounding-up if there is no
nearest number).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>1.05 Times of Day</B>. Unless otherwise specified, all references herein to times of day shall be
references to Central time (daylight or standard, as applicable).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>1.06 Responsible Officer</B>. Any document delivered hereunder that is signed by a Responsible
Officer of a Loan Party shall be conclusively presumed to have been authorized by all necessary
corporate, partnership and/or other action on the part of such Loan Party and such Responsible
Officer shall be conclusively presumed to have acted on behalf of such Loan Party.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE II</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>THE COMMITMENTS AND CREDIT EXTENSIONS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.01 Loans</B>. Subject to the terms and conditions set forth herein, each Lender severally
agrees to make a single term loan (each such loan, a &#147;<U>Loan</U>&#148;) to the Borrower on the Closing
Date in an aggregate amount not to exceed the amount of such Lender&#146;s Commitment; <I>provided</I>,
<I>however</I>, that the Total Outstandings shall not exceed the Aggregate Commitments. Principal
repayments made after the Closing Date may not be reborrowed. Loans may be Base Rate Loans or
Eurodollar Rate Loans, as further provided herein.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.02 Borrowings, Conversions and Continuations of Loans</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Each Borrowing, each conversion of Loans from one Type to the other, and each continuation
of Eurodollar Rate Loans shall be made upon the Borrower&#146;s irrevocable notice to the Administrative
Agent, which may be given by telephone. Each such notice must be received by the Administrative
Agent not later than 10:00&nbsp;a.m. (i)&nbsp;three Business Days prior to the requested date of any
Borrowing of, conversion to or continuation of Eurodollar Rate Loans or of any conversion of
Eurodollar Rate Loans to Base Rate Loans, and (ii)&nbsp;on the requested date of any Borrowing of Base
Rate Loans. Each telephonic notice by the Borrower pursuant to this <U>Section&nbsp;2.02(a)</U> must
be confirmed promptly by delivery to the Administrative Agent of a written Loan Notice,
appropriately completed and signed by a Responsible Officer of the Borrower. Each Borrowing of,
conversion to or continuation of Eurodollar Rate Loans shall be in a principal amount of $5,000,000
or a whole multiple of $1,000,000 in excess thereof. Each
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Borrowing of or conversion to Base Rate Loans shall be in a principal amount of $500,000 or a
whole multiple of $100,000 in excess thereof. Each Loan Notice (whether telephonic or written)
shall specify (i)&nbsp;whether the Borrower is requesting a Borrowing, a conversion of Loans from one
Type to the other, or a continuation of Eurodollar Rate Loans, (ii)&nbsp;the requested date of the
Borrowing, conversion or continuation, as the case may be (which shall be a Business Day), (iii)
the principal amount of Loans to be borrowed, converted or continued, (iv)&nbsp;the Type of Loans to be
borrowed or to which existing Loans are to be converted, and (v)&nbsp;if applicable, the duration of the
Interest Period with respect thereto. If the Borrower fails to specify a Type of Loan in a Loan
Notice or if the Borrower fails to give a timely notice requesting a conversion or continuation,
then the applicable Loans shall be made as, or converted to, Base Rate Loans. Any such automatic
conversion to Base Rate Loans shall be effective as of the last day of the Interest Period then in
effect with respect to the applicable Eurodollar Rate Loans. If the Borrower requests a Borrowing
of, conversion to, or continuation of Eurodollar Rate Loans in any such Loan Notice, but fails to
specify an Interest Period, it will be deemed to have specified an Interest Period of one month.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Following receipt of a Loan Notice, the Administrative Agent shall promptly notify, on the
same day that the request is received from the Borrower, each Lender of the amount of its
Applicable Percentage of the applicable Loans, and if no timely notice of a conversion or
continuation is provided by the Borrower, the Administrative Agent shall notify each Lender of the
details of any automatic conversion to Base Rate Loans described in the preceding subsection. In
the case of a Borrowing, each Lender shall make the amount of its Applicable Percentage of the Loan
available to the Administrative Agent in immediately available funds at the Administrative Agent&#146;s
Office not later than 2:00 p.m. on the Business Day specified in the applicable Loan Notice. Upon
satisfaction of the applicable conditions set forth in <U>Section&nbsp;4.01</U>, the Administrative
Agent shall make all funds so received available to the Borrower in like funds as received by the
Administrative Agent either by (i)&nbsp;crediting the account of the Borrower on the books of Wells
Fargo with the amount of such funds or (ii)&nbsp;wire transfer of such funds, in each case in accordance
with instructions provided to (and reasonably acceptable to) the Administrative Agent by the
Borrower.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Except as otherwise provided herein, a Eurodollar Rate Loan may be continued or converted
only on the last day of an Interest Period for such Eurodollar Rate Loan. During the existence of
a Default, no Loans may be requested as, converted to or continued as Eurodollar Rate Loans without
the consent of the Required Lenders.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;The Administrative Agent shall promptly notify the Borrower and the Lenders of the
interest rate applicable to any Interest Period for Eurodollar Rate Loans upon determination of
such interest rate. At any time that Base Rate Loans are outstanding, the Administrative Agent
shall notify the Borrower and the Lenders of any change in Wells Fargo&#146;s prime rate used in
determining the Base Rate promptly following the public announcement of such change.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;After giving effect to all Borrowings, all conversions of Loans from one Type to the
other, and all continuations of Loans as the same Type, there shall not be more than six Interest
Periods in effect with respect to Loans.
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.03 &#091;Reserved&#093;</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.04 Voluntary Prepayments</B>. The Borrower may, upon notice to the Administrative Agent, at any
time or from time to time voluntarily prepay Loans in whole or in part without premium or penalty;
<I>provided </I>that (i)&nbsp;such notice must be received by the Administrative Agent not later than 10:00
a.m. (A)&nbsp;three Business Days prior to any date of prepayment of Eurodollar Rate Loans and (B)&nbsp;on
the date of prepayment of Base Rate Loans; (ii)&nbsp;any prepayment of Eurodollar Rate Loans shall be in
a principal amount of $5,000,000 or a whole multiple of $1,000,000 in excess thereof; and (iii)&nbsp;any
prepayment of Base Rate Loans shall be in a principal amount of $500,000 or a whole multiple of
$100,000 in excess thereof or, in each case, if less, the entire principal amount thereof then
outstanding. Each such notice shall specify the date (which shall be a Business Day) and amount of
such prepayment, the Type(s) of Loans to be prepaid and shall be substantially in the form of
<U>Exhibit&nbsp;G</U>. The Administrative Agent will promptly notify each Lender of its receipt of
each such notice, and of the amount of such Lender&#146;s Applicable Percentage of such prepayment. If
such notice is given by the Borrower, the Borrower shall make such prepayment and the payment
amount specified in such notice shall be due and payable on the date specified therein. Any
prepayment of a Loan shall be accompanied by all accrued interest to the date of prepayment on the
amount prepaid, and, in the case of Eurodollar Rate Loans, any additional amounts required pursuant
to <U>Section&nbsp;3.05</U>. Each such prepayment shall be applied to the Loans of the Lenders in
accordance with their respective Applicable Percentages.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.05 Mandatory Prepayments</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Asset Dispositions</U>. If the Borrower or any of its Subsidiaries shall at any time
or from time to time make an Asset Disposition then (A)&nbsp;the Borrower shall promptly notify the
Administrative Agent of such Asset Disposition (including the amount of the estimated Net Proceeds
to be received by the Borrower and/or any of its Subsidiaries in respect thereof) and (B)&nbsp;promptly
upon receipt by the Borrower and/or any of its Subsidiaries of the Net Proceeds of such Asset
Disposition (unless the Borrower has delivered a Reinvestment Notice to the Administrative Agent),
the Borrower shall prepay the Loans in an aggregate principal amount equal to 100% of such Net
Proceeds; <U>provided</U>, <U>however</U>, that, on the Reinvestment Prepayment Date in respect
of any Reinvestment Event, the Borrower shall prepay the Loans in an aggregate principal amount
equal to such Reinvestment Prepayment Amount if greater than zero.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Debt Issuance</U>. Promptly upon the receipt by the Borrower or any of its
Subsidiaries of any Net Debt Proceeds, the Borrower shall prepay Loans in an aggregate principal
amount equal to 100% of such Net Debt Proceeds.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Equity Issuance</U>. Promptly upon receipt by the Borrower of any Equity Issuance
Proceeds, the Borrower shall prepay Loans in an aggregate principal amount equal to 100% of such
Equity Issuance Proceeds.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Accrued Interest; Ratable Payments; Application of Payments</U>. Each prepayment
pursuant to this <U>Section&nbsp;2.05</U> shall be accompanied by accrued interest on the amount
prepaid to the date of such prepayment and amounts, if any, required to be paid pursuant to
<U>Section&nbsp;3.05</U> as a result of such prepayment being made on such date. Each such prepayment
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">shall be applied to the Loans in accordance with the Lenders&#146; respective Applicable
Percentages, until all of the Loans are repaid in full. All prepayments of Loans made pursuant to
<U>Section&nbsp;2.05</U> shall be applied to the ratable repayment of the Loans, until all such Loans
are repaid in full.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) <U>Change of Control</U>. Promptly upon the Change of Control of the Borrower, the
Borrower shall prepay the Loans in full.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.06 &#091;Reserved&#093;</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.07 Repayment of Loans</B>. The Borrower shall repay to the Lenders on the Maturity Date the
aggregate principal amount of Loans outstanding on such date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.08 Interest</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Subject to the provisions of subsection (b)&nbsp;below, (i)&nbsp;each Eurodollar Rate Loan shall
bear interest on the outstanding principal amount thereof for each Interest Period at a rate per
annum equal to the Eurodollar Rate for such Interest Period plus the Applicable Rate; and (ii)&nbsp;each
Base Rate Loan shall bear interest on the outstanding principal amount thereof from the applicable
borrowing date at a rate per annum equal to the Base Rate plus the Applicable Rate.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) (i)&nbsp;If any amount of principal of any Loan is not paid when due (without regard to any
applicable grace periods), whether at stated maturity, by acceleration or otherwise, such amount
shall thereafter, so long as such amount remains unpaid, bear interest at a fluctuating interest
rate per annum at all times equal to the Default Rate to the fullest extent permitted by applicable
Laws.
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) If any Event of Default under <U>Section&nbsp;8.01(f)</U> occurs and is continuing,
then the Borrower shall pay interest on the principal amount of all outstanding Obligations
hereunder at a fluctuating interest rate per annum at all times equal to the Default Rate to
the fullest extent permitted by applicable Laws.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) If any amount (other than principal of any Loan) payable by the Borrower under
any Loan Document is not paid when due (without regard to any applicable grace periods),
whether at stated maturity, by acceleration or otherwise, then upon the request of the
Required Lenders, such amount shall thereafter bear interest at a fluctuating interest rate
per annum at all times equal to the Default Rate to the fullest extent permitted by
applicable Laws.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) Upon the request of the Required Lenders, so long as any Event of Default is
continuing (except as set forth in clause (ii)&nbsp;above), the Borrower shall pay interest on
the principal amount of all outstanding Obligations hereunder at a fluctuating interest rate
per annum at all times equal to the Default Rate to the fullest extent permitted by
applicable Laws.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) Accrued and unpaid interest on past due amounts (including interest on past due
interest) shall be due and payable upon demand.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Interest on each Loan shall be due and payable in arrears on each Interest Payment
Date applicable thereto and at such other times as may be specified herein. Interest hereunder
shall be due and payable in accordance with the terms hereof before and after judgment, and before
and after the commencement of any proceeding under any Debtor Relief Law.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.09 Fees</B>. Except as provided in Section&nbsp;10.13, the Borrower shall pay to Wells Fargo for its
own account fees in the amounts and at the times specified in the Fee Letter. Such fees shall be
fully earned when paid and shall not be refundable for any reason whatsoever.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.10 Computation of Interest and Fees</B>. All computations of interest for Base Rate Loans when
the Base Rate is determined by Wells Fargo&#146;s &#147;prime rate&#148; shall be made on the basis of a year of
365 or 366&nbsp;days, as the case may be, and actual days elapsed. All other computations of fees and
interest shall be made on the basis of a 360-day year and actual days elapsed (which results in
more fees or interest, as applicable, being paid than if computed on the basis of a 365-day year).
Interest shall accrue on each Loan for the day on which the Loan is made, and shall not accrue on a
Loan, or any portion thereof, for the day on which the Loan or such portion is paid, <I>provided </I>that
any Loan that is repaid on the same day on which it is made shall, subject to
<U>Section&nbsp;2.12(a)</U>, bear interest for one day. Each determination by the Administrative Agent
of an interest rate or fee hereunder shall be presumed correct and binding for all purposes, absent
manifest error.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.11 Evidence of Debt</B>. The Credit Extensions made by each Lender shall be evidenced by one or
more accounts or records maintained by such Lender and by the Administrative Agent in the ordinary
course of business. The accounts or records maintained by the Administrative Agent and each Lender
shall be presumed correct absent manifest error of the amount of the Credit Extensions made by the
Lenders to the Borrower and the interest and payments thereon. Any failure to so record or any
error in doing so shall not, however, limit or otherwise affect the obligation of the Borrower
hereunder to pay any amount owing with respect to the Obligations. In the event of any conflict
between the accounts and records maintained by any Lender and the accounts and records of the
Administrative Agent in respect of such matters, the accounts and records of the Administrative
Agent shall control in the absence of manifest error. Upon the request of any Lender made through
the Administrative Agent, the Borrower shall execute and deliver to such Lender (through the
Administrative Agent) a Note, which shall evidence such Lender&#146;s Loans in addition to such accounts
or records. Each Lender may attach schedules to its Note and endorse thereon the date, Type (if
applicable), amount and maturity of its Loans and payments with respect thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.12 Payments Generally; Administrative Agent&#146;s Clawback</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>General</U>. All payments to be made by the Borrower shall be made without condition
or deduction for any counterclaim, defense, recoupment or setoff. Except as otherwise expressly
provided herein, all payments by the Borrower hereunder shall be made to the Administrative Agent,
for the account of the respective Lenders to which such payment is owed, at the Administrative
Agent&#146;s Office in Dollars and in immediately available funds not later than 1:00 p.m. on the date
specified herein. The Administrative Agent will promptly distribute to each Lender its Applicable
Percentage (or other applicable share as provided herein) of such
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">payment in like funds as received by wire transfer to such Lender&#146;s Lending Office. All
payments received by the Administrative Agent after 1:00 p.m. shall be deemed received on the next
succeeding Business Day and any applicable interest or fee shall continue to accrue. If any
payment to be made by the Borrower shall come due on a day other than a Business Day, payment shall
be made on the next following Business Day, and such extension of time shall be reflected in
computing interest or fees, as the case may be.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) (i) <U>Funding by Lenders; Presumption by Administrative Agent</U>. Unless the
Administrative Agent shall have received notice from a Lender prior to the proposed date of any
Borrowing that such Lender will not make available to the Administrative Agent such Lender&#146;s share
of such Borrowing, the Administrative Agent may assume that such Lender has made such share
available on such date in accordance with <U>Section&nbsp;2.02</U> and may, in reliance upon such
assumption, make available to the Borrower a corresponding amount. In such event, if a Lender has
not in fact made its share of the applicable Borrowing available to the Administrative Agent, then
the applicable Lender and the Borrower severally agree to pay to the Administrative Agent forthwith
on demand such corresponding amount in immediately available funds with interest thereon, for each
day from and including the date such amount is made available to the Borrower to but excluding the
date of payment to the Administrative Agent, at (A)&nbsp;in the case of a payment to be made by such
Lender, the greater of the Federal Funds Rate and a rate determined by the Administrative Agent in
accordance with banking industry rules on interbank compensation and (B)&nbsp;in the case of a payment
to be made by the Borrower, the interest rate applicable to Base Rate Loans. If the Borrower and
such Lender shall pay such interest to the Administrative Agent for the same or an overlapping
period, the Administrative Agent shall promptly remit to the Borrower the amount of such interest
paid by the Borrower for such period. If such Lender pays its share of the applicable Borrowing to
the Administrative Agent, then the amount so paid shall constitute such Lender&#146;s Loan included in
such Borrowing. Any payment by the Borrower shall be without prejudice to any claim the Borrower
may have against a Lender that shall have failed to make such payment to the Administrative Agent.
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) <U>Payments by Borrower; Presumptions by Administrative Agent</U>. Unless the
Administrative Agent shall have received notice from the Borrower prior to the date on which
any payment is due to the Administrative Agent for the account of the Lenders that the
Borrower will not make such payment, the Administrative Agent may assume that the Borrower
has made such payment on such date in accordance herewith and may, in reliance upon such
assumption, distribute to the Lenders the amount due. In such event, if the Borrower has
not in fact made such payment, then each of the Lenders severally agrees to repay to the
Administrative Agent forthwith on demand the amount so distributed to such Lender in
immediately available funds with interest thereon, for each day from and including the date
such amount is distributed to it to but excluding the date of payment to the Administrative
Agent, at the greater of the Federal Funds Rate and a rate determined by the Administrative
Agent in accordance with banking industry rules on interbank compensation.
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">A notice of the Administrative Agent to any Lender or the Borrower with respect to any amount owing
under this subsection (b)&nbsp;shall be presumed correct, absent manifest error.
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Failure to Satisfy Conditions Precedent</U>. If any Lender makes available to the
Administrative Agent funds for any Loan to be made by such Lender as provided in the foregoing
provisions of this Article&nbsp;II, and such funds are not made available to the Borrower by the
Administrative Agent because the conditions to the applicable Credit Extension set forth in Article
IV are not satisfied or waived in accordance with the terms hereof, the Administrative Agent shall
return such funds (in like funds as received from such Lender) to such Lender, without interest.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Obligations of Lenders Several</U>. The obligations of the Lenders hereunder to make
Loans and to make payments pursuant to <U>Section&nbsp;10.04(c)</U> are several and not joint. The
failure of any Lender to make any Loan or to make any payment under <U>Section&nbsp;10.04(c)</U> on any
date required hereunder shall not relieve any other Lender of its corresponding obligation to do so
on such date, and no Lender shall be responsible for the failure of any other Lender to so make its
Loan, to purchase its participation or to make its payment under <U>Section&nbsp;10.04(c)</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) <U>Funding Source</U>. Nothing herein shall be deemed to obligate any Lender to obtain
the funds for any Loan in any particular place or manner or to constitute a representation by any
Lender that it has obtained or will obtain the funds for any Loan in any particular place or
manner.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.13 Sharing of Payments by Lenders</B>. If any Lender shall, by exercising any right of setoff
or counterclaim or otherwise, obtain payment in respect of any principal of or interest on any of
the Loans made by it resulting in such Lender&#146;s receiving payment of a proportion of the aggregate
amount of such Loans and accrued interest thereon greater than its pro rata share thereof as
provided herein, then the Lender receiving such greater proportion shall (a)&nbsp;notify the
Administrative Agent of such fact, and (b)&nbsp;purchase (for cash at face value) participations in the
Loans of the other Lenders, or make such other adjustments as shall be equitable, so that the
benefit of all such payments shall be shared by the Lenders ratably in accordance with the
aggregate amount of principal of and accrued interest on their respective Loans and other amounts
owing them, <I>provided </I>that:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;if any such participations are purchased and all or any portion of the payment giving rise
thereto is recovered, such participations shall be rescinded and the purchase price restored to the
extent of such recovery, without interest; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;the provisions of this Section shall not be construed to apply to (x)&nbsp;any payment made by
the Borrower pursuant to and in accordance with the express terms of this Agreement or (y)&nbsp;any
payment obtained by a Lender as consideration for the assignment of or sale of a participation in
any of its Loans to any assignee or participant, other than to the Borrower or any Subsidiary
thereof (as to which the provisions of this Section shall apply).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each Loan Party consents to the foregoing and agrees, to the extent it may effectively do so
under applicable law, that any Lender acquiring a participation pursuant to the foregoing
arrangements may exercise against such Loan Party rights of setoff and counterclaim with respect to
such participation as fully as if such Lender were a direct creditor of such Loan Party in the
amount of such participation.
</DIV>

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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE III</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>TAXES, YIELD PROTECTION AND ILLEGALITY</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.01 Taxes</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Payments Free of Taxes</U>. Any and all payments by or on account of any obligation
of the Borrower hereunder or under any other Loan Document shall be made free and clear of and
without reduction or withholding for any Indemnified Taxes or Other Taxes, <I>provided </I>that if the
Borrower shall be required by applicable law to deduct any Indemnified Taxes or Other Taxes from
such payments, then (i)&nbsp;the sum payable shall be increased as necessary so that after making all
required deductions (including deductions applicable to additional sums payable under this Section)
the Administrative Agent or Lender receives an amount equal to the sum it would have received had
no such deductions been made, (ii)&nbsp;the Borrower shall make such deductions and (iii)&nbsp;the Borrower
shall timely pay the full amount deducted to the relevant Governmental Authority in accordance with
applicable law.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Payment of Other Taxes by the Borrower</U>. Without limiting the provisions of
subsection (a)&nbsp;above, the Borrower shall timely pay any Other Taxes to the relevant Governmental
Authority in accordance with applicable law, to the extent such Other Taxes are imposed on the
Borrower or any obligation of it hereunder under applicable law.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Indemnification by the Borrower</U>. The Borrower shall indemnify the Administrative
Agent and each Lender, within 30&nbsp;days after demand therefor, for the full amount of any Indemnified
Taxes or Other Taxes (including Indemnified Taxes or Other Taxes imposed or asserted on or
attributable to amounts payable under this Section) paid by the Administrative Agent or such Lender
and any penalties, interest and reasonable expenses arising therefrom or with respect thereto,
whether or not such Indemnified Taxes or Other Taxes were correctly or legally imposed or asserted
by the relevant Governmental Authority. A certificate as to the amount of such payment or
liability delivered to the Borrower by a Lender (with a copy to the Administrative Agent), or by
the Administrative Agent on its own behalf or on behalf of a Lender, shall be presumed correct
absent manifest error. However, neither the Administrative Agent nor any Lender shall be entitled
to receive any payment with respect to Indemnified or Other Taxes that are incurred or accrued more
that 270&nbsp;days prior to the date the Administrative Agent or such Lender gives notice and demand
thereof to the Borrower.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Evidence of Payments</U>. As soon as reasonably practicable after any payment of
Indemnified Taxes or Other Taxes by the Borrower to a Governmental Authority, the Borrower shall
deliver to the Administrative Agent the original or a certified copy of a receipt issued by such
Governmental Authority evidencing such payment, a copy of the return reporting such payment or
other evidence of such payment reasonably satisfactory to the Administrative Agent.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) <U>Status of Lenders</U>. Any Foreign Lender that is entitled to an exemption from or
reduction of withholding tax under the law of the jurisdiction in which the Borrower is resident
for tax purposes, or any treaty to which such jurisdiction is a party, with respect to payments
hereunder or under any other Loan Document shall deliver to the Borrower (with a
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">copy to the Administrative Agent), at the time or times prescribed by applicable law or
reasonably requested by the Borrower or the Administrative Agent, such properly completed and
executed documentation prescribed by applicable law as will permit such payments to be made without
withholding or at a reduced rate of withholding. In addition, any Lender, at the time or times
prescribed by law or reasonably requested by the Borrower or the Administrative Agent, shall
deliver such other documentation prescribed by applicable law or reasonably requested by the
Borrower or the Administrative Agent as will enable the Borrower or the Administrative Agent to
determine whether or not such Lender is subject to backup withholding or information reporting
requirements. Each Lender shall promptly notify the Borrower and the Administrative Agent of any
change in circumstances which would modify or render invalid any claimed exemption or reduction.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Without limiting the generality of the foregoing, any Foreign Lender shall deliver to the
Borrower and the Administrative Agent (in such number of copies as shall be requested by the
recipient) on or prior to the date on which such Foreign Lender becomes a Lender under this
Agreement (and from time to time thereafter upon the request of the Borrower or the Administrative
Agent or as required by applicable law, but only if such Foreign Lender is legally entitled to do
so), whichever of the following is applicable:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) duly completed copies of IRS Form W-8BEN claiming the benefits of the portfolio
interest exemption pursuant to subsection (iii)&nbsp;below or eligibility for benefits of an
income tax treaty to which the United States is a party,
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) duly completed copies of IRS Form W-8ECI,
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) in the case of a Foreign Lender claiming the benefits of the exemption for
portfolio interest under section 881(c) of the Code, (x)&nbsp;a certificate to the effect that
such Foreign Lender is not (A)&nbsp;a &#147;bank&#148; within the meaning of section 881(c)(3)(A) of the
Code, (B)&nbsp;a &#147;10&nbsp;percent shareholder&#148; of the Borrower within the meaning of section
881(c)(3)(B) of the Code, or (C)&nbsp;a &#147;controlled foreign corporation&#148; described in section
881(c)(3)(C) of the Code or (D)&nbsp;that such payments are not effectively connected with such
Foreign Lender&#146;s conduct of a trade or business in the United States, and (y)&nbsp;duly completed
copies of IRS Form W-8BEN, or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) any other form prescribed by applicable law as a basis for claiming exemption from
or a reduction in United States Federal withholding tax duly completed together with such
supplementary documentation as may be prescribed by applicable law to permit the Borrower to
determine the withholding or deduction required to be made.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) <U>Treatment of Certain Refunds</U>. If the Administrative Agent or any Lender
determines in good faith that it has received a refund of any Taxes or Other Taxes as to which it
has been indemnified by the Borrower or with respect to which the Borrower has paid additional
amounts pursuant to this Section, it shall pay to the Borrower an amount equal to such refund (but
only to the extent of indemnity payments made, or additional amounts paid, by the Borrower under
this Section with respect to the Taxes or Other Taxes giving rise to such refund), net of all
out-of-pocket expenses of the Administrative Agent or such Lender, as the case may be, and without
interest (other than any interest paid by the relevant Governmental Authority with
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">respect to such refund), <I>provided </I>that the Borrower, upon the request of the Administrative
Agent or such Lender, agrees to repay the amount paid over to the Borrower (plus any penalties,
interest or other charges imposed by the relevant Governmental Authority) to the Administrative
Agent or such Lender in the event the Administrative Agent or such Lender is required to repay such
refund to such Governmental Authority, in which case the Administrative Agent or such Lender shall
provide evidence that such refund is due to such Governmental Authority. This subsection shall not
be construed to require the Administrative Agent or any Lender to make available its tax returns
(or any other information relating to its taxes that it deems confidential) to the Borrower or any
other Person.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.02 Illegality</B>. If any Lender determines that any Law has made it unlawful, or that any
Governmental Authority has asserted that it is unlawful, for any Lender or its applicable Lending
Office to make, maintain or fund Eurodollar Rate Loans, or to determine or charge interest rates
based upon the Eurodollar, or any Governmental Authority has imposed material restrictions on the
authority of such Lender to purchase or sell, or to take deposits of, Dollars in the London
interbank market, then, on notice thereof by such Lender to the Borrower through the Administrative
Agent, any obligation of such Lender to make or continue Eurodollar Rate Loans or to convert Base
Rate Loans to Eurodollar Rate Loans shall be suspended until such Lender notifies the
Administrative Agent and the Borrower that the circumstances giving rise to such determination no
longer exist. Upon receipt of such notice, the Borrower shall, upon demand from such Lender (with
a copy to the Administrative Agent), prepay or, if applicable, convert all Eurodollar Rate Loans of
such Lender to Base Rate Loans, either on the last day of the Interest Period therefor, if such
Lender may lawfully continue to maintain such Eurodollar Rate Loans to such day, or immediately, if
such Lender may not lawfully continue to maintain such Eurodollar Rate Loans. Upon any such
prepayment or conversion, the Borrower shall also pay accrued interest on the amount so prepaid or
converted.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.03 Inability to Determine Rates</B>. If the Required Lenders determine that for any reason in
connection with any request for a Eurodollar Rate Loan or a conversion to or continuation thereof
that (a)&nbsp;Dollar deposits are not being offered to banks in the London interbank eurodollar market
for the applicable amount and Interest Period of such Eurodollar Rate Loan, (b)&nbsp;adequate and
reasonable means do not exist for determining the Eurodollar for any requested Interest Period with
respect to a proposed Eurodollar Rate Loan, or (c)&nbsp;the Eurodollar for any requested Interest Period
with respect to a proposed Eurodollar Rate Loan does not adequately and fairly reflect the cost to
such Lenders of funding such Loan, the Administrative Agent will promptly so notify the Borrower
and each Lender. Thereafter, the obligation of the Lenders to make or maintain Eurodollar Rate
Loans shall be suspended until the Administrative Agent (upon the instruction of the Required
Lenders) revokes such notice. Upon receipt of such notice, the Borrower may revoke any pending
request for a Borrowing of, conversion to or continuation of Eurodollar Rate Loans or, failing
that, will be deemed to have converted such request into a request for a Borrowing of Base Rate
Loans in the amount specified therein.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.04 Increased Costs; Reserves on Eurodollar Rate Loans</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Increased Costs Generally</U>. If any Change in Law shall:
</DIV>





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<DIV style="font-family: 'Times New Roman',Times,serif">





<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) impose, modify or deem applicable any reserve, special deposit, compulsory loan,
insurance charge or similar requirement against assets of, deposits with or for the account
of, or credit extended or participated in by, any Lender (except any reserve requirement
reflected in the Eurodollar);
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) subject any Lender to any tax of any kind whatsoever with respect to this
Agreement or any Eurodollar Rate Loan made by it, or change the basis of taxation of
payments to such Lender in respect thereof (except for Indemnified Taxes or Other Taxes
covered by <U>Section&nbsp;3.01</U> and the imposition of, or any change in the rate of, any
Excluded Tax payable by such Lender); or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) impose on any Lender or the London interbank market any other condition, cost or
expense affecting this Agreement or Eurodollar Rate Loans made by such Lender;
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">and the result of any of the foregoing shall be to increase the cost to such Lender of making or
maintaining any Eurodollar Rate Loan (or of maintaining its obligation to make any such Loan), or
to increase the cost to such Lender, or to reduce the amount of any sum received or receivable by
such Lender (whether of principal, interest or any other amount) then, upon request of such Lender,
the Borrower will pay to such Lender such additional amount or amounts as will compensate such
Lender for such additional costs incurred or reduction suffered.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Capital Requirements</U>. If any Lender determines that any Change in Law affecting
such Lender or any Lending Office of such Lender or such Lender&#146;s holding company, if any,
regarding capital requirements has or would have the effect of reducing the rate of return on such
Lender&#146;s capital or on the capital of such Lender&#146;s holding company, if any, as a consequence of
this Agreement, the Commitments of such Lender or the Loans made by such Lender, to a level below
that which such Lender or such Lender&#146;s holding company could have achieved but for such Change in
Law (taking into consideration such Lender&#146;s policies and the policies of such Lender&#146;s holding
company with respect to capital adequacy), then from time to time the Borrower will pay to such
Lender such additional amount or amounts as will compensate such Lender or such Lender&#146;s holding
company for any such reduction suffered.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Certificates for Reimbursement</U>. A certificate of a Lender setting forth the
amount or amounts necessary to compensate such Lender or its holding company, as the case may be,
as specified in subsection (a)&nbsp;or (b)&nbsp;of this Section and delivered to the Borrower shall be
presumed correct absent manifest error. The Borrower shall pay such Lender the amount shown as due
on any such certificate within 10&nbsp;days after receipt thereof.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Delay in Requests</U>. Failure or delay on the part of any Lender to demand
compensation pursuant to the foregoing provisions of this Section shall not constitute a waiver of
such Lender&#146;s right to demand such compensation, <I>provided </I>that the Borrower shall not be required
to compensate a Lender pursuant to the foregoing provisions of this Section for any increased costs
incurred or reductions suffered more than six months prior to the date that such Lender notifies
the Borrower of the Change in Law giving rise to such increased costs or reductions and of such
Lender&#146;s intention to claim compensation therefor (except that, if the
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Change in Law giving rise to such increased costs or reductions is retroactive, then the
six-month period referred to above shall be extended to include the period of retroactive effect
thereof).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.05 Compensation for Losses</B>. Upon demand of any Lender (with a copy to the Administrative
Agent) from time to time, the Borrower shall promptly compensate such Lender for and hold such
Lender harmless from any loss, cost or expense incurred by it as a result of:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;any continuation, conversion, payment or prepayment of any Loan other than a Base Rate
Loan on a day other than the last day of the Interest Period for such Loan (whether voluntary,
mandatory, automatic, by reason of acceleration, or otherwise); or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;any failure by the Borrower (for a reason other than the failure of such Lender to make a
Loan) to prepay, borrow, continue or convert any Loan other than a Base Rate Loan on the date or in
the amount notified by the Borrower; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;any assignment of a Eurodollar Rate Loan on a day other than the last day of the Interest
Period therefor as a result of a request by the Borrower pursuant to Section&nbsp;10.13;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">including any loss of anticipated profits and any loss or expense arising from the liquidation or
reemployment of funds obtained by it to maintain such Loan or from fees payable to terminate the
deposits from which such funds were obtained. The Borrower shall also pay any customary
administrative fees charged by such Lender in connection with the foregoing.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For purposes of calculating amounts payable by the Borrower to the Lenders under this
<U>Section&nbsp;3.05</U>, each Lender shall be deemed to have funded each Eurodollar Rate Loan made by
it at the Eurodollar for such Loan by a matching deposit or other borrowing in the London interbank
eurodollar market for a comparable amount and for a comparable period, whether or not such
Eurodollar Rate Loan was in fact so funded.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.06 Mitigation Obligations</B>. (a)&nbsp;If any Lender requests compensation under
<U>Section&nbsp;3.04</U>, or the Borrower is required to pay any additional amount to any Lender or any
Governmental Authority for the account of any Lender pursuant to <U>Section&nbsp;3.01</U>, or if any
Lender gives a notice pursuant to <U>Section&nbsp;3.02</U>, then such Lender shall use reasonable
efforts to designate a different Lending Office for funding or booking its Loans hereunder or to
assign its rights and obligations hereunder to another of its offices, branches or affiliates, if,
in the judgment of such Lender, such designation or assignment (i)&nbsp;would eliminate or reduce
amounts payable pursuant to <U>Section&nbsp;3.01</U> or <U>3.04</U>, as the case may be, in the
future, or eliminate the need for the notice pursuant to <U>Section&nbsp;3.02</U>, as applicable, and
(ii)&nbsp;in each case, would not subject such Lender to any unreimbursed cost or expense and would not
otherwise be disadvantageous to such Lender. The Borrower hereby agrees to pay all reasonable
costs and expenses incurred by any Lender in connection with any such designation or assignment.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;If any Lender requests compensation under Section&nbsp;3.04, or if the Borrower is required to
pay any additional amount to any Lender or any Governmental Authority for the account of any Lender
pursuant to Section&nbsp;3.01, the Borrower may replace such Lender in accordance with Section&nbsp;10.13.
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.07 Survival</B>. All of the Borrower&#146;s obligations under this Article&nbsp;III shall survive
termination of the Aggregate Commitments and repayment of all other Obligations hereunder.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE IV</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>CONDITIONS PRECEDENT TO CREDIT EXTENSIONS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>4.01 Conditions of Initial Credit Extension</B>. The obligation of each Lender to make its
initial Credit Extension hereunder is subject to satisfaction of the following conditions
precedent:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;The Administrative Agent&#146;s receipt of the following, each of which shall be originals or
telecopies (followed promptly by originals) unless otherwise specified, each properly executed by a
Responsible Officer of the signing Loan Party, each dated the Closing Date (or, in the case of
certificates of governmental officials, a recent date before the Closing Date) and each in form and
substance satisfactory to the Administrative Agent and each of the Lenders:
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) executed counterparts of this Agreement and the Guaranty;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) a Note executed by the Borrower in favor of each Lender requesting a Note;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) such certificates of resolutions or other action, incumbency certificates and/or
other certificates of a secretary or assistant secretary or similar officer of each Loan
Party as the Administrative Agent may require evidencing the identity, authority and
capacity of each Responsible Officer thereof authorized to act as a Responsible Officer in
connection with this Agreement and the other Loan Documents to which such Loan Party is a
party;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) such documents and certifications as the Administrative Agent may reasonably
require to evidence that each Loan Party is duly organized or formed, and that each Loan
Party is validly existing, in good standing and qualified to engage in business in its
jurisdiction of incorporation or formation;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) a favorable opinion of Fulbright and Jaworski, L.L.P., counsel to the Loan Parties,
addressed to the Administrative Agent and each Lender, as to the matters set forth in
<U>Exhibit&nbsp;F</U>;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vi) a certificate of a Responsible Officer of the Borrower either (A)&nbsp;attaching copies
of all consents, licenses and approvals required in connection with the execution, delivery
and performance by the Borrower and the validity against the Borrower of the Loan Documents
to which it is a party, and such consents, licenses and approvals shall be in full force and
effect, or (B)&nbsp;stating that no such consents, licenses or approvals are so required;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vii) a certificate signed by a Responsible Officer of the Borrower certifying (A)&nbsp;that
the representations and warranties of the Loan Parties set forth in the
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">Loan Documents are true and correct in all material respects (except to the extent that
such representation and warranty is qualified by materiality or is limited to a specific
date), and (B)&nbsp;no Default or Event of Default has occurred and is continuing or would result
from the initial Borrowing contemplated hereunder or the application of proceeds therefrom;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(viii) a certificate signed by the chief financial officer of the Borrower certifying
that each of the Loan Parties, in each case after giving effect to the initial Borrowing
contemplated hereunder, the Acquisition and the other transactions contemplated hereby, is
or are Solvent;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ix) a certificate signed by the chief financial officer of the Borrower certifying
that immediately after giving pro forma effect to the initial Borrowings and the
Acquisition, the Borrower shall be in compliance with <U>Section&nbsp;7.10</U>;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(x) a certificate signed by a Responsible Officer of the Borrower certifying that, to
the Borrower&#146;s knowledge as certified to it by the Sellers, no &#147;Material Adverse Effect&#148; (as
such term is defined in the Acquisition Agreement) has occurred and is continuing since
March&nbsp;31, 2010; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(xi) such other assurances, certificates, documents, consents or opinions as the
Administrative Agent or the Required Lenders reasonably may require.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;There shall not have occurred (i)&nbsp;any bankruptcy of any Loan Party, or (ii)&nbsp;any material
pending or threatened litigation or other proceeding by or against a Loan Party that has a
reasonable likelihood of being adversely determined, and if adversely determined, would reasonably
be expected to materially and adversely affect the ability of the Loan Parties as a whole to repay
when due the Loans contemplated herein.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;The Administrative Agent shall have received (i)&nbsp;copies of all Acquisition Documents,
together with all amendments, supplements, waivers or other modifications thereto, in each case
certified by a Responsible Officer of the Borrower as true, correct and complete and (ii)&nbsp;evidence
of all consents and approvals required pursuant to the terms of the Acquisition Documents,
including the consent or approval of the board of directors or other governing body of the Sellers.
The Acquisition will have been consummated in accordance in all material respects with the terms
and conditions of the Acquisition Documents without any waiver, modification or consent thereunder
that is materially adverse to the Lenders unless approved by the Lenders.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Any fees required to be paid on or before the Closing Date shall have been paid.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;Unless waived by the Administrative Agent, the Borrower shall have paid all fees, charges
and disbursements of counsel to the Administrative Agent to the extent invoiced prior to or on the
Closing Date, plus such additional amounts of such fees, charges and disbursements as shall
constitute its reasonable estimate of such fees, charges and disbursements incurred or to be
incurred by it through the closing proceedings (<I>provided</I>, that such estimate
</DIV>




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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">shall not thereafter preclude a final settling of accounts between the Borrower and the
Administrative Agent).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;The Administrative Agent shall have received a Request for Credit Extension in accordance
with the requirements hereof.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;No statute, rule, regulation or other legal requirement shall have been promulgated or
enacted and be in effect that on a permanent basis restrains, enjoins, or prohibits the Lenders
from making such Credit Extension.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;The Administrative Agent and each Lender shall have received all documentation and other
information that the Administrative Agent and each such Lender shall have reasonably requested in
order to comply with its respective obligations under applicable &#147;know your customer&#148; and
anti-money laundering rules and regulations, including the Patriot Act.
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE V</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>REPRESENTATIONS AND WARRANTIES</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Borrower represents and warrants to the Administrative Agent and the Lenders that:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.01 Existence, Qualification and Power; Compliance with Laws</B>. Each Loan Party (a)&nbsp;is duly
organized or formed, validly existing and in good standing under the Laws of the jurisdiction of
its incorporation or organization, (b)&nbsp;has all requisite power and authority and all requisite
governmental licenses, authorizations, consents and approvals to (i)&nbsp;own its assets and carry on
its business and (ii)&nbsp;execute, deliver and perform its obligations under the Loan Documents to
which it is a party, (c)&nbsp;is duly qualified and is licensed and in good standing under the Laws of
each jurisdiction where its ownership, lease or operation of properties or the conduct of its
business requires such qualification or license, and (d)&nbsp;is in compliance with all Laws; except in
each case referred to in clause (b)(i), (c)&nbsp;or (d), to the extent that failure to do so could not
reasonably be expected to have a Material Adverse Effect.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.02 Authorization; No Contravention</B>. The execution, delivery and performance by each Loan
Party of each Loan Document to which such Person is party, have been duly authorized by all
necessary corporate or other organizational action, and do not and will not (a)&nbsp;violate the terms
of any of such Person&#146;s Organization Documents; (b)&nbsp;violate or result in any breach of, or the
creation of any Lien under, or require any payment to be made under (i)&nbsp;any Contractual Obligation
to which such Person is a party or affecting such Person or the properties of such Person or any of
its Subsidiaries or (ii)&nbsp;any order, injunction, writ or decree of any Governmental Authority or any
arbitral award to which such Person or its property is subject; or (c)&nbsp;violate any Law. Each Loan
Party is in compliance with all Contractual Obligations referred to in clause (b)(i), except to the
extent that failure to do so could not reasonably be expected to have a Material Adverse Effect.
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.03 Governmental Authorization; Other Consents</B>. No approval, consent, exemption,
authorization, or other action by, or notice to, or filing with, any Governmental Authority or any
other Person is necessary or required in connection with the execution, delivery or performance by,
or enforcement against, any Loan Party of this Agreement or any other Loan Document.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.04 Binding Effect</B>. This Agreement has been, and each other Loan Document, when delivered
hereunder, will have been, duly executed and delivered by each Loan Party that is party thereto.
This Agreement constitutes, and each other Loan Document when so delivered will constitute, a
legal, valid and binding obligation of such Loan Party, enforceable against each Loan Party that is
party thereto in accordance with its terms, except as may be limited by bankruptcy, insolvency,
moratorium, fraudulent transfer and fraudulent conveyance laws, and other similar laws and
provisions, and general principles of equity.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.05 Financial Statements</B>. The Audited Financial Statements (i)&nbsp;were prepared in accordance
with GAAP consistently applied throughout the period covered thereby, except as otherwise expressly
noted therein; (ii)&nbsp;fairly present the financial condition of the Borrower and its Subsidiaries as
of the date thereof and their results of operations for the period covered thereby in accordance
with GAAP consistently applied throughout the period covered thereby, except as otherwise expressly
noted therein; and (iii)&nbsp;show all material indebtedness and other liabilities, direct or
contingent, of the Borrower and its Subsidiaries as of the date thereof, including liabilities for
taxes, material commitments and Indebtedness.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.06 Litigation</B>. There are no actions, suits, proceedings, claims or disputes pending or, to
the knowledge of the Borrower after due and diligent investigation, threatened or contemplated, at
law, in equity, in arbitration or before any Governmental Authority, by or against the Borrower or
any of its Subsidiaries or against any of their properties or revenues that (a)&nbsp;purport to affect
or pertain to this Agreement or any other Loan Document, or any of the transactions contemplated
hereby, or (b)&nbsp;as to which there is a reasonable possibility of an adverse determination, and that,
if determined adversely, could reasonably be expected, either individually or in the aggregate, to
have a Material Adverse Effect.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.07 No Default</B>. No Default has occurred and is continuing or would result from the
consummation of the transactions contemplated by this Agreement or any other Loan Document.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.08 Ownership of Property; Liens</B>. Each of the Borrower and each Subsidiary has good record
and indefeasible title in fee simple to, or valid leasehold interests in, all real property
necessary or used in the ordinary conduct of its business, except for such defects in title as
could not, individually or in the aggregate, reasonably be expected to have a Material Adverse
Effect. The property of the Borrower and its Subsidiaries is subject to no Liens, other than Liens
permitted by <U>Section&nbsp;7.01</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.09 Environmental Compliance</B>. The Borrower and its Subsidiaries conduct in the ordinary
course of business a review of the effect of existing Environmental Laws and claims alleging
potential liability or responsibility for violation of any Environmental Law on their respective
businesses, operations and properties, and as a result thereof, the Borrower has
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">reasonably concluded that such Environmental Laws and claims could not, individually or in the
aggregate, reasonably be expected to have a Material Adverse Effect.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.10 Insurance</B>. The properties of the Borrower and its Subsidiaries are insured with
financially sound and reputable insurance companies not Affiliates of the Borrower, in such
amounts, with such deductibles and covering such risks as are customarily carried by companies
engaged in similar businesses and owning similar properties in localities where the Borrower or the
applicable Subsidiary operates.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.11 Taxes</B>. The Borrower and its Subsidiaries have filed all Federal, state and other
material tax returns and reports required to be filed, and have paid all Federal, state and other
material taxes, assessments, fees and other governmental charges levied or imposed upon them or
their properties, income or assets otherwise due and payable, except those which are being
contested in good faith by appropriate proceedings diligently conducted and for which adequate
reserves have been provided in accordance with GAAP. Neither the Borrower nor any of its
Subsidiaries have received any written notice from any Governmental Authority proposing a tax
assessment against the Borrower or any Subsidiary that would, if made, have a Material Adverse
Effect. Neither any Loan Party nor any Subsidiary thereof is party, with any Person other than the
Borrower or a Subsidiary of the Borrower, to any tax sharing agreement; <I>provided </I>that the
allocation of taxes in connection with a business acquisition agreement does not constitute a tax
sharing agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.12 ERISA Compliance</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Except as could not reasonably be expected to have a Material Adverse Effect, each Plan is
in compliance in all material respects with the applicable provisions of ERISA, the Code and other
Federal or state Laws. Each Plan that is intended to qualify under Section 401(a) of the Code has
received a favorable determination letter or opinion letter from the IRS or an application for such
a letter is currently being processed by the IRS with respect thereto and, to the best knowledge of
the Borrower, no event or circumstance has occurred or exists which would prevent, or cause the
loss of, such qualification. The Borrower and each ERISA Affiliate have made all material amounts
of required contributions to each Plan subject to Section&nbsp;412 of the Code, and no application for a
funding waiver or an extension of any amortization period pursuant to Section&nbsp;412 of the Code has
been made with respect to any Plan.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;There are no pending or, to the best knowledge of the Borrower, threatened claims, actions
or lawsuits, or action by any Governmental Authority, with respect to any Plan that could
reasonably be expected to have a Material Adverse Effect. There has been no prohibited transaction
or violation of the fiduciary responsibility rules with respect to any Plan that has resulted or
could reasonably be expected to result in a Material Adverse Effect.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) (i)&nbsp;No ERISA Event has occurred or is reasonably expected to occur that, when taken
together with each other ERISA Event that has occurred or is reasonably expected to occur, could
reasonably be expected to result in a Material Adverse Effect; (ii)&nbsp;the Unfunded Pension Liability
of all Pension Plans does not exceed the Threshold Amount; and (iii)&nbsp;neither the Borrower nor any
ERISA Affiliate has engaged in a transaction that could be subject to Sections&nbsp;4069 or 4212(c) of
ERISA.
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.13 Subsidiaries; Equity Interests</B>. As of the Closing Date, the Borrower has no Subsidiaries
other than those specifically disclosed in Part (a)&nbsp;of <U>Schedule&nbsp;5.13</U>, and all of the
outstanding Equity Interests in such Subsidiaries have been validly issued, are fully paid and
nonassessable and are owned by a Loan Party in the amounts specified on Part (a)&nbsp;of
<U>Schedule&nbsp;5.13</U> free and clear of all Liens. As of the Closing Date, the Borrower has no
equity investments in any other corporation or entity other than those specifically disclosed in
Part (b)&nbsp;of <U>Schedule&nbsp;5.13</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.14 Margin Regulations; Investment Company Act</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;The Borrower is not engaged and will not engage, principally or as one of its important
activities, in the business of purchasing or carrying margin stock (within the meaning of
Regulation&nbsp;U issued by the FRB), or extending credit for the purpose of purchasing or carrying
margin stock. Following the application of the proceeds of each Borrowing, not more than 25% of
the value of the assets (either of the Borrower only or of the Borrower and its Subsidiaries on a
consolidated basis) subject to the provisions of <U>Section&nbsp;7.01</U> or <U>Section&nbsp;7.05</U> or
subject to any restriction contained in any agreement or instrument between the Borrower and any
Lender or any Affiliate of any Lender relating to Indebtedness and within the scope of
<U>Section&nbsp;8.01(e)</U> will be margin stock.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;None of the Borrower, any Person Controlling the Borrower, or any Subsidiary is or is
required to be registered as an &#147;investment company&#148; under the Investment Company Act of 1940.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.15 Disclosure</B>. The Borrower has disclosed to the Administrative Agent and the Lenders, or
has stated in filings with the Securities and Exchange Commission of the type described in
<U>Section&nbsp;6.02(d)</U>, all agreements, instruments and corporate or other restrictions to which
it or any of its Subsidiaries is subject, and all other matters known to it, that, individually or
in the aggregate, could reasonably be expected to result in a Material Adverse Effect. No report,
financial statement, certificate or other information furnished (whether in writing or orally) by
or on behalf of any Loan Party to the Administrative Agent or any Lender in connection with the
transactions contemplated hereby and the negotiation of this Agreement or delivered hereunder or
under any other Loan Document (in each case, as modified or supplemented by, or read in conjunction
with, other information so furnished) contains any material misstatement of fact or, when read
together with filings with the Securities and Exchange Commission of the type described in
<U>Section&nbsp;6.02(d)</U>, omits to state any material fact necessary to make the statements therein,
in the light of the circumstances under which they were made, not misleading in any material
respect; <I>provided </I>that, with respect to projected financial information, the Borrower represents
only that such information was prepared in good faith based upon assumptions believed to be
reasonable at the time. The Borrower has given all notices required to be delivered pursuant to
<U>Section&nbsp;6.03</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.16 Compliance with Laws</B>. Each of the Borrower and each Subsidiary is in compliance in all
material respects with the requirements of all Laws and all orders, writs, injunctions and decrees
applicable to it or to its properties, except in such instances in which (a)&nbsp;such requirement of
Law or order, writ, injunction or decree is being contested in good faith by appropriate
proceedings diligently conducted or (b)&nbsp;the failure to comply therewith, either
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">individually or in the aggregate, could not reasonably be expected to have a Material Adverse
Effect.
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE VI</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>AFFIRMATIVE COVENANTS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;So long as any Lender shall have any Commitment hereunder, any Loan or other Obligation
hereunder shall remain unpaid or unsatisfied, the Borrower shall, and shall (except in the case of
the covenants set forth in <U>Sections&nbsp;6.01</U>, <U>6.02</U>, and <U>6.03</U>) cause each
Subsidiary to:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.01 Financial Statements</B>. Deliver to the Administrative Agent and each Lender, in form and
detail satisfactory to the Administrative Agent and the Required Lenders:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;as soon as available, but in any event within 90&nbsp;days after the end of each fiscal year of
the Borrower, its Annual Report, the Form 10-K, or its equivalent, of the Borrower, for such fiscal
year that includes a consolidated balance sheet of the Borrower and its Subsidiaries as at the end
of such fiscal year, and the related consolidated statements of income or operations, shareholders&#146;
equity and cash flows for such fiscal year, setting forth in each case in comparative form the
figures for the previous fiscal year, all in reasonable detail and prepared in accordance with
GAAP, audited and accompanied by a report and opinion of an independent certified public accountant
of nationally recognized standing reasonably acceptable to the Required Lenders, which report and
opinion shall be prepared in accordance with generally accepted auditing standards and shall not be
subject to any &#147;going concern&#148; or like qualification or exception or any qualification or exception
as to the scope of such audit; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;as soon as available, but in any event within 45&nbsp;days after the end of each of the first
three fiscal quarters of each fiscal year of the Borrower, its Quarterly Report on Form 10-Q, or
its equivalent, of the Borrower that includes a consolidated balance sheet of the Borrower and its
Subsidiaries as at the end of such fiscal quarter, and the related consolidated statements of
income or operations, shareholders&#146; equity and cash flows for such fiscal quarter and for the
portion of the Borrower&#146;s fiscal year then ended, setting forth in each case in comparative form
the figures for the corresponding fiscal quarter of the previous fiscal year and the corresponding
portion of the previous fiscal year, all in reasonable detail, and that includes a certification of
a Responsible Officer of the Borrower in accordance with applicable law and regulations,
certifying that the foregoing fairly presents the financial condition, results of operations,
shareholders&#146; equity and cash flows of the Borrower and its Subsidiaries in accordance with GAAP,
subject only to normal year-end audit adjustments and the absence of footnotes (<I>provided</I>, <I>however</I>,
that the requirement for certification contained in this paragraph (b)&nbsp;shall be deemed satisfied by
a certification of a Responsible Officer made in conjunction with a Form 10-Q as required by the
Sarbanes-Oxley Act of 2002 as in effect on the Closing Date (or as subsequently amended if such law
as amended requires a certification that is more comprehensive than, or substantially similar to,
the certification required by this paragraph (b)).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;As to any information contained in materials furnished pursuant to <U>Section&nbsp;6.02</U>, the
Borrower shall not be separately required to furnish such information under clause (a)&nbsp;or (b)
above, but the foregoing shall not be in derogation of the obligation of the Borrower to furnish
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">the information and materials described in clauses (a)&nbsp;and (b)&nbsp;above at the times
specified therein.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.02 Certificates; Other Information</B>. Deliver to the Administrative Agent and each Lender, in
form and detail satisfactory to the Administrative Agent and the Required Lenders:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;concurrently with the delivery of the financial statements referred to in
<U>Section&nbsp;6.01(a)</U>, a certificate of its independent certified public accountants certifying
such financial statements and stating that in making the examination necessary therefor no
knowledge was obtained of any Default or, if any such Default shall exist, stating the nature and
status of such event;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;concurrently with the delivery of the financial statements referred to in
<U>Sections&nbsp;6.01(a)</U> and <U>(b)</U>, a duly completed Compliance Certificate signed by a
Responsible Officer of the Borrower;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;promptly after any request by the Administrative Agent or any Lender, copies of any
detailed audit reports, management letters or recommendations submitted to the board of directors
(or the audit committee of the board of directors) of the Borrower by independent accountants in
connection with the accounts or books of the Borrower or any Subsidiary, or any audit of any of
them;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;promptly after the same are available the following (<I>provided</I>, <I>however</I>, that the
requirement to deliver the following may be satisfied by giving notice as provided in the last
paragraph of this <U>Section&nbsp;6.02)</U>: (i)&nbsp;each report on Form 8-K (other than earnings reports)
and effective registration statement filed with the Securities and Exchange Commission, and (ii)
each annual report, proxy, financial statement or other report sent to the stockholders of the
Borrower, to the extent that such items are not otherwise required to be delivered to the
Administrative Agent pursuant hereto;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;promptly after the furnishing thereof, copies of any statement or report other than those
related to ministerial matters furnished to any holder of debt securities of any Loan Party or any
Subsidiary thereof pursuant to the terms of any indenture, loan or credit or similar agreement and
not otherwise required to be furnished to the Lenders pursuant to <U>Section&nbsp;6.01</U> or any other
clause of this <U>Section&nbsp;6.02</U>;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;promptly, and in any event within five Business Days after receipt thereof by any Loan
Party or any Subsidiary thereof, copies of each notice or other correspondence received from the
SEC (or comparable agency in any applicable non-U.S. jurisdiction) concerning any investigation or
possible investigation by such agency regarding financial or other operational results of any Loan
Party or any Subsidiary thereof;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;the items required to be delivered pursuant to <U>Schedule&nbsp;4.01</U> within the time
periods therein specified; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;promptly, such additional information regarding the business, financial or corporate
affairs of the Borrower or any Subsidiary, or compliance with the terms of the Loan
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Documents, as the Administrative Agent or any Lender may from time to time reasonably request.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Borrower shall be deemed to have satisfied the requirement to deliver documents pursuant
to <U>Section&nbsp;6.01(a)</U> or <U>(b)</U> or <U>Section&nbsp;6.02(d)</U> if such documents shall have
been timely made available on &#147;EDGAR&#148; and/or on the Borrower&#146;s home page on the world wide web (as
of the date of this Agreement located at www.patenergy.com). Notwithstanding anything contained
herein, in every instance the Borrower shall be required to provide to the Administrative Agent a
copy by electronic mail of the Compliance Certificates required by <U>Section&nbsp;6.02(b)</U> and the
financial statements referred to in <U>Section&nbsp;6.01(a)</U> and <U>(b)</U>. Except for such
Compliance Certificates, the Administrative Agent shall have no obligation to request the delivery
or to maintain copies of the documents referred to above, and in any event shall have no
responsibility to monitor compliance by the Borrower with any such request for delivery, and each
Lender shall be solely responsible for requesting delivery to it or maintaining its copies of such
documents.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.03 Notices</B>. Promptly notify the Administrative Agent and each Lender:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;of the occurrence of any Default;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;of any matter that has resulted or could reasonably be expected to result in a Material
Adverse Effect, including (i)&nbsp;breach or non-performance of, or any default under, a Contractual
Obligation of the Borrower or any Subsidiary; (ii)&nbsp;any dispute, litigation, investigation,
proceeding or suspension between the Borrower or any Subsidiary and any Governmental Authority; or
(iii)&nbsp;the commencement of, or any material development in, any litigation or proceeding affecting
the Borrower or any Subsidiary, including pursuant to any applicable Environmental Laws;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;of the occurrence of any ERISA Event; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;of any material change in accounting policies or financial reporting practices by the
Borrower or any Subsidiary.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each notice pursuant to this Section shall be accompanied by a statement of a Responsible
Officer of the Borrower setting forth details of the occurrence referred to therein and stating
what action the Borrower has taken and proposes to take with respect thereto. Each notice pursuant
to <U>Section&nbsp;6.03(a)</U> shall describe with particularity any and all provisions of this
Agreement and any other Loan Document that have been breached.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.04 Payment of Obligations</B>. Pay and discharge as the same shall become due and payable, all
its obligations and liabilities, including (a)&nbsp;all tax liabilities, assessments and governmental
charges or levies upon it or its properties or assets, unless the same are being contested in good
faith by appropriate proceedings diligently conducted and adequate reserves in accordance with GAAP
are being maintained by the Borrower or such Subsidiary; (b)&nbsp;all lawful claims which, if unpaid,
would by law become a Lien upon its property, except those that are being contested in good faith
by appropriate proceedings and for which adequate reserves have been established in accordance with
GAAP; and (c)&nbsp;all Indebtedness, as and when due and payable, but subject to any subordination
provisions contained in any instrument or agreement evidencing such Indebtedness.
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.05 Preservation of Existence, Etc</B>. (a)&nbsp;Preserve, renew and maintain in full force and
effect its legal existence and good standing under the Laws of the jurisdiction of its organization
except in a transaction permitted by <U>Section&nbsp;7.04</U>; (b)&nbsp;take all reasonable action to
maintain all rights, privileges, permits, licenses and franchises necessary or desirable in the
normal conduct of its business, except to the extent that failure to do so could not reasonably be
expected to have a Material Adverse Effect; and (c)&nbsp;preserve or renew all of its registered
patents, trademarks, trade names and service marks, the failure to preserve any of which could
reasonably be expected to have a Material Adverse Effect.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.06 Maintenance of Properties</B>. (a)&nbsp;Maintain, preserve and protect all of its material
properties and equipment necessary in the operation of its business in accordance with industry
practices; (b)&nbsp;make all necessary repairs thereto and renewals and replacements thereof except
where the failure to do so could not reasonably be expected to have a Material Adverse Effect; and
(c)&nbsp;use the standard of care typical in the industry in the operation and maintenance of its
facilities.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.07 Maintenance of Insurance</B>. Maintain with financially sound and reputable insurance
companies not Affiliates of the Borrower, insurance with respect to its properties and business
against loss or damage of the kinds customarily insured against by Persons engaged in the same or
similar business, of such types and in such amounts as are customarily carried under similar
circumstances by such other Person.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.08 Compliance with Laws</B>. Comply in all material respects with the requirements of all Laws
and all orders, writs, injunctions and decrees applicable to it or to its business or property,
except in such instances in which (a)&nbsp;such requirement of Law or order, writ, injunction or decree
is being contested in good faith by appropriate proceedings diligently conducted; or (b)&nbsp;the
failure to comply therewith could not reasonably be expected to have a Material Adverse Effect.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.09 Books and Records</B>. Maintain proper books of record and account, in which full, true and
correct entries in conformity with GAAP consistently applied shall be made of all financial
transactions and matters involving the assets and business of the Borrower or such Subsidiary, as
the case may be.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.10 Inspection Rights</B>. Permit representatives and independent contractors of the
Administrative Agent and each Lender to visit and inspect any of its properties, to examine its
corporate, financial and operating records, and make copies thereof or abstracts therefrom, and to
discuss its affairs, finances and accounts with its directors, officers, and independent public
accountants, all at such reasonable times during normal business hours and as often as may be
reasonably desired, upon reasonable advance notice to the Borrower; <I>provided</I>, <I>however</I>, that when an
Event of Default exists the Administrative Agent or any Lender (or any of their respective
representatives or independent contractors) may do any of the foregoing at the expense of the
Borrower at any time during normal business hours and without advance notice.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.11 Use of Proceeds</B>. Use the proceeds of the Credit Extensions to finance a portion of the
purchase price for the Acquisition and/or to pay a portion of the fees, commissions and expenses
associated with the Acquisition.
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.12 Additional Guarantors</B>. Notify the Administrative Agent within 10&nbsp;days after the date
that any Person becomes a Domestic Subsidiary other than an Immaterial Subsidiary, and within 10
days after the date that any Person becomes a Domestic Subsidiary other than an Immaterial
Subsidiary, cause such Person to (a)&nbsp;become a Guarantor by executing and delivering to the
Administrative Agent a counterpart of the Guaranty or such other document as the Administrative
Agent shall deem appropriate for such purpose, and (b)&nbsp;deliver to the Administrative Agent
documents of the types referred to in clauses (iii)&nbsp;and (iv)&nbsp;of <U>Section&nbsp;4.01(a)</U> and
favorable opinions of counsel to such Person (which shall cover, among other things, the legality,
validity, binding effect and enforceability of the documentation referred to in clause (a)), all in
form, content and scope reasonably satisfactory to the Administrative Agent.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE VII</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>NEGATIVE COVENANTS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;So long as any Lender shall have any Commitment hereunder, any Loan or other Obligation
hereunder shall remain unpaid or unsatisfied, the Borrower shall not, nor shall it permit any
Subsidiary to, directly or indirectly:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.01 Liens</B>. Create, incur, assume or suffer to exist any Lien upon any of its property,
assets or revenues, whether now owned or hereafter acquired, other than the following:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Liens pursuant to any Loan Document;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Liens existing on the date hereof and listed on <U>Schedule&nbsp;7.01</U> and any renewals or
extensions thereof, <I>provided </I>that (i)&nbsp;the property covered thereby is not changed, (ii)&nbsp;the amount
secured or benefited thereby is not increased, and (iii)&nbsp;the direct or any contingent obligor with
respect thereto is not changed;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Liens for taxes or unpaid utilities not yet due or which are being contested in good faith
and by appropriate proceedings diligently conducted, if adequate reserves with respect thereto are
maintained on the books of the applicable Person in accordance with GAAP;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;carriers&#146;, warehousemen&#146;s, mechanics&#146;, materialmen&#146;s, repairmen&#146;s or other like Liens
arising in the ordinary course of business which are not overdue for a period of more than 60&nbsp;days
or which are being contested in good faith and by appropriate proceedings diligently conducted, if
adequate reserves with respect thereto are maintained on the books of the applicable Person;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;pledges or deposits in the ordinary course of business in connection with workers&#146;
compensation, unemployment insurance and other social security legislation, other than any Lien
imposed by ERISA;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;deposits to secure the performance of bids, trade contracts and leases (other than
Indebtedness), statutory obligations, surety bonds (other than bonds related to judgments or
litigation), performance bonds and other obligations of a like nature incurred in the ordinary
course of business;
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;easements, rights-of-way, restrictions and other similar encumbrances affecting real
property which, in the aggregate, are not substantial in amount, and which do not in any case
materially detract from the value of the property subject thereto or materially interfere with the
ordinary conduct of the business of the applicable Person;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h) (i)&nbsp;Liens securing purchase money obligations of the Borrower or of Subsidiaries of the
Borrower, for fixed or capital assets acquired after the Closing Date, <I>provided </I>that (A)&nbsp;such Liens
do not at any time encumber any property other than the property financed by such Indebtedness, (B)
the Indebtedness secured thereby does not exceed the cost or fair market value, whichever is lower,
of the property being acquired on the date of acquisition and (C)&nbsp;such Liens attach to such
property concurrently with or within 90&nbsp;days after the acquisition thereof, and (ii)&nbsp;Liens securing
any refinancing of such Indebtedness, <I>provided </I>that such Liens do not extend to additional property
and the amount of the Indebtedness is not increased;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;Liens securing judgments for the payment of money not constituting an Event of Default
under <U>Section&nbsp;8.01(h)</U> or securing appeal or other surety bonds related to such judgments;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;Liens arising in the ordinary course of business under Oil and Gas Agreements to secure
compliance with such agreements, <I>provided </I>that any such Lien referred to in this clause are for
claims which are not delinquent or which are being contested in good faith by appropriate action
and for which adequate reserves have been maintained in accordance with GAAP, and <I>provided</I>,
<I>further</I>, that any such Lien referred to in this clause does not materially impair the use of the
property covered by such Lien for the purposes for which such property is held by the Borrower or
any Subsidiary or materially impair the value of such property subject thereto, and <I>provided</I>,
<I>further</I>, that such Liens are limited to property that is the subject of the relevant Oil and Gas
Agreement and any proceeds thereof; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k)&nbsp;Liens not otherwise permitted by this <U>Section&nbsp;7.01</U> if at the time of, and after
giving effect to, the creation or assumption of any such Lien, the aggregate of all obligations of
the Borrower and its Subsidiaries secured by any Liens not otherwise permitted hereby does not
exceed 10% of Consolidated Net Worth of the Borrower and its Subsidiaries.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.02 Foreign Subsidiaries and Joint Ventures</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Make or permit any Domestic Subsidiary to make any Investment in any Foreign Subsidiary or
any Joint Venture unless the book value of all Investments (including such Investment then being
made) in Foreign Subsidiaries and Joint Ventures made on or after the Closing Date does not exceed
an amount equal to 30% of the total book value of all assets of the Borrower and its Subsidiaries
calculated on a pro forma basis taking into account such Investment; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Incur any Indebtedness owed by the Borrower to any Foreign Subsidiary or other Subsidiary
that is not a Guarantor unless such Indebtedness is subordinated to the Obligations pursuant to
terms that are substantially the same as the subordination terms applicable to the Guarantors
pursuant to the Guaranty.
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.03 Indebtedness of Subsidiaries</B>. Permit any Subsidiary of the Borrower to create, incur,
assume or suffer to exist any Indebtedness, except:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Indebtedness under the Loan Documents;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Guarantees in respect of Indebtedness otherwise permitted hereunder of the Borrower;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Indebtedness owed by any Subsidiary to (i)&nbsp;the Borrower, or (ii)&nbsp;another Subsidiary,
<I>provided </I>that if such Subsidiary to whom such Indebtedness is owed is not a Guarantor, then such
Indebtedness (other than Indebtedness owed by a Foreign Subsidiary to another Foreign Subsidiary)
shall be subordinated to the Obligations pursuant to terms substantially the same as the
subordination terms applicable to the Guarantors pursuant to the Guaranty;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;purchase money Indebtedness permitted by <U>Section&nbsp;7.01(h)</U>; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;unsecured Indebtedness, <I>provided </I>that (i)&nbsp;both before and after such Indebtedness is
created, incurred or assumed, no Default or Event of Default shall have occurred and be continuing,
and (ii)&nbsp;the aggregate outstanding principal amount of such Indebtedness for all Subsidiaries taken
together shall not exceed at any time an amount equal to 10% of Consolidated Net Worth.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;secured Indebtedness, <I>provided </I>that (i)&nbsp;both before and after such Indebtedness is
created, incurred or assumed, no Default or Event of Default shall have occurred and be continuing,
and (ii)&nbsp;the aggregate outstanding principal amount of such Indebtedness for all Subsidiaries taken
together shall not exceed at any time an amount equal to 5% of Consolidated Net Worth.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.04 Fundamental Changes</B>. (A)&nbsp;Wind up, liquidate or dissolve its affairs, or (B)&nbsp;amalgamate
or consolidate with, or merge into, or sell, lease or otherwise dispose of, in one transaction or a
series of transactions, all or substantially all of its assets to, any other Person, or permit any
other Person to amalgamate or consolidate with, or merge into, or sell, lease or otherwise dispose
of all or substantially all of its assets to, it, except that this <U>Section&nbsp;7.04</U> shall not
prohibit any of the following transactions, or any agreement to effect the same, <I>provided </I>that no
Default has occurred and is continuing or would result therefrom:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;any amalgamation, consolidation or merger, or sale or other disposition of assets (other
than by lease) involving the Borrower or any of its consolidated Subsidiaries, <I>provided </I>that
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) in any such transaction involving the Borrower, the Borrower is the surviving,
resulting or continuing Person in such merger, amalgamation or consolidation, or the
transferee in such sale or other disposition (in any such case, the &#147;<U>Survivor</U>&#148;), or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) in any such transaction involving any Guarantor, the entity that constituted the
Guarantor immediately prior thereto is the Survivor, or
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;the Guarantor shall have amalgamated or merged with and into the Borrower and the Borrower
shall be the Survivor, or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;if neither the entity that constituted the Guarantor immediately prior thereto nor the
Borrower is the Survivor, the Survivor shall execute and deliver to the Administrative Agent an
instrument, in form and substance satisfactory to it, whereby the Survivor shall assume all rights
and obligations of the Guarantor under the Guaranty to which the Guarantor is a party),
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) in any such transaction not involving the Borrower or a Guarantor, a wholly-owned
Subsidiary of the Borrower is the Survivor, and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) in the case of any transaction specified in the foregoing clauses 7.04(a)(i) or
(ii)&nbsp;or 7.04(c)(i) (A)&nbsp;the Borrower, the Guarantor (except in a case specified in clause
(a)(ii)) and their Subsidiaries shall be in compliance, on a pro forma basis after giving
effect to such transaction, with the covenants contained in this Article&nbsp;VII recomputed as
of the last day of the most recently ended fiscal quarter of the Borrower, the Guarantor and
their Subsidiaries as if such transaction had occurred on the first day of each relevant
period for testing such compliance, (B)&nbsp;with respect to any amalgamation, consolidation or
merger, or sale or other disposition of assets with or to a Person not a consolidated
Subsidiary of the Borrower, the Borrower shall have delivered to the Administrative Agent an
officer&#146;s certificate to such effect, together with all relevant financial information and
calculations demonstrating such compliance and (C)&nbsp;in a transaction of the type described in
clause (a)(ii) above in which a Guarantor is not the Survivor, the Administrative Agent
shall have received an opinion reasonably satisfactory in form, scope and substance to the
Administrative Agent, of counsel reasonably satisfactory to the Administrative Agent,
addressing such matters in connection with such transaction as the Administrative Agent or
such Lender may reasonably request, and such other documentation as the Administrative Agent
may reasonably request;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;any winding up, liquidation or dissolution of any consolidated Subsidiary if in the
reasonable judgment of the board of directors (or other managing group) of such Subsidiary, such
winding up, liquidation or dissolution is in the best interests of the Borrower and its
consolidated Subsidiaries taken as a whole and is not materially disadvantageous to any Lender,
<I>provided</I>, <I>however</I>, with respect to any winding up, liquidation or dissolution of any Guarantor the
owner of all of the capital stock of the Guarantor immediately prior to such event shall be the
Borrower or a wholly-owned Subsidiary of the Borrower;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;transactions and transfers of assets among or between Loan Parties, or among and between
Loan Parties and wholly-owned Subsidiaries or among and between wholly-owned Subsidiaries, <I>provided</I>
that any transaction or transfers described in this clause (e)&nbsp;that involves the Borrower shall be
subject to the requirements of <U>Section&nbsp;7.04(a)(i)</U> and any transaction or transfer that
involves a Guarantor shall be subject to the requirements of <U>Section&nbsp;7.04(a)(ii)</U>; and
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;dispositions (whether in the form of a sale of assets or by merger) not otherwise
permitted hereunder which are made for fair market value; <I>provided </I>that (i)&nbsp;any merger shall be
subject to the requirements set forth in <U>Section&nbsp;7.04(a)</U>, (ii)&nbsp;the aggregate sales price
from such disposition shall be paid in cash or otherwise on payment terms satisfactory to the
applicable Loan Party or Subsidiary, and (iii)&nbsp;the aggregate book value of all assets of the
Borrower and its consolidated Subsidiaries, taken as a whole, shall not be reduced at any time to
an amount which is less than the Asset Threshold Value. As used in this Section &#147;<U>Asset
Threshold Value</U>&#148; means an amount equal to 80% of the aggregate book value of all assets of the
Borrower and its consolidated Subsidiaries, taken as a whole, on December&nbsp;31, 2009, as reflected in
the Audited Financial Statements. No disposition (or series of dispositions) shall be permitted
if, following such disposition or series of dispositions, the aggregate book value of all assets of
the Borrower and its consolidated Subsidiaries, taken as a whole, would be less than the Asset
Threshold Value.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.05 Hedging Agreements</B>. Enter into any Swap Contracts other than in the ordinary course of
business for the purpose of directly mitigating risks to which the Borrower or its Subsidiaries are
exposed in the conduct of their business and not for purposes of speculation.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.06 Change in Nature of Business</B>. (a)&nbsp;Engage in any material line of business substantially
different from those lines of business conducted by the Borrower and its Subsidiaries on the date
hereof or any business substantially related or incidental thereto and (b)&nbsp;permit Ambar Lone Star
Fluids Services LLC to conduct any operations.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.07 Transactions with Affiliates</B>. Enter into any material transaction of any kind with any
Affiliate of the Borrower, whether or not in the ordinary course of business, other than on fair
and reasonable terms substantially as favorable to the Borrower or such Subsidiary as would be
obtainable by the Borrower or such Subsidiary at the time in a comparable arm&#146;s length transaction
with a Person other than an Affiliate, except that the foregoing shall not apply to transactions
among the Borrower and one or more of its wholly-owned Subsidiaries, or between or among the
Borrower&#146;s wholly-owned Subsidiaries.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.08 Burdensome Agreements</B>. Enter into any Contractual Obligation (other than this Agreement
or any other Loan Document) that limits the ability of any Subsidiary to pay dividends or make
other payments or distributions to the Borrower or any Guarantor or to otherwise transfer property
to the Borrower or any Guarantor, except restrictions that could not reasonably be expected to
impair the Borrower&#146;s ability to repay the Obligations as and when due.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.09 Use of Proceeds</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Use the proceeds of any Credit Extension, whether directly or indirectly to purchase or
carry margin stock (within the meaning of Regulation&nbsp;U of the FRB) or to extend credit to others
for the purpose of purchasing or carrying margin stock or to refund indebtedness originally
incurred for such purpose; or
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Use the proceeds of any Credit Extension in connection with the acquisition of a voting
interest of five percent or more in any Person if such acquisition is opposed by the board of
directors or management of such Person.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.10 Financial Covenants</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Permit the Debt to Capitalization Ratio, expressed as a percentage, to exceed at any time
(i)&nbsp;35% or (ii)&nbsp;if a Permanent Credit Facility exists, the lesser of (A)&nbsp;the Debt to Capitalization
Ratio as set forth in such Permanent Credit Facility and (B)&nbsp;45%.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Permit the Interest Coverage Ratio as of the last day of a fiscal quarter to be less than
3.00 to 1.00.
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE VIII</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>EVENTS OF DEFAULT AND REMEDIES</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>8.01 Events of Default</B>. Any of the following shall constitute an Event of Default:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Non-Payment</U>. The Borrower or any other Loan Party fails to pay (i)&nbsp;when and as
required to be paid herein, any amount of principal of any Loan, or (ii)&nbsp;within three days after
the same becomes due, any interest on any Loan, or any fee due hereunder, or (iii)&nbsp;within five days
after the same becomes due, any other amount payable hereunder or under any other Loan Document; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Specific Covenants</U>. The Borrower fails to perform or observe any term, covenant
or agreement contained in any of <U>Sections&nbsp;6.03(a)</U>, <U>6.05(a)</U> or <U>6.11</U> or
Article&nbsp;VII; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Other Defaults</U>. Any Loan Party fails to perform or observe any other covenant or
agreement (not specified in subsection (a)&nbsp;or (b)&nbsp;above) contained in any Loan Document on its part
to be performed or observed and such failure continues for 30&nbsp;days after delivery of written notice
thereof to the Borrower from the Administrative Agent acting on the instructions of any Lender; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Representations and Warranties</U>. Any representation, warranty, certification or
statement of fact made or deemed made by or on behalf of the Borrower or any other Loan Party
herein, in any other Loan Document, or in any document delivered in connection herewith or
therewith shall be incorrect or misleading when made or deemed made; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) <U>Cross-Default</U>. (i)&nbsp;The Borrower or any Subsidiary (A)&nbsp;fails to make any payment
when due (whether by scheduled maturity, required prepayment, acceleration, demand, or otherwise)
in respect of any Indebtedness or Guarantee (other than Indebtedness hereunder and Indebtedness
under Swap Contracts) having an aggregate principal amount (including undrawn committed or
available amounts and including amounts owing to all creditors under any combined or syndicated
credit arrangement) of more than the Threshold Amount, or (B)&nbsp;fails to observe or perform any other
agreement or condition relating to any such Indebtedness or Guarantee or contained in any
instrument or agreement evidencing, securing or relating thereto,
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">or any other event occurs, the effect of which default or other event is to cause, or to
permit the holder or holders of such Indebtedness or the beneficiary or beneficiaries of such
Guarantee (or a trustee or agent on behalf of such holder or holders or beneficiary or
beneficiaries) to cause, with the giving of notice if required, such Indebtedness to be demanded or
to become due or to be repurchased, prepaid, defeased or redeemed (automatically or otherwise), or
an offer to repurchase, prepay, defease or redeem such Indebtedness to be made, prior to its stated
maturity, or such Guarantee to become payable or cash collateral in respect thereof to be demanded;
or (ii)&nbsp;there occurs under any Swap Contract an Early Termination Date (as defined in such Swap
Contract) resulting from (A)&nbsp;any event of default under such Swap Contract as to which the Borrower
or any Subsidiary is the Defaulting Party (as defined in such Swap Contract) or (B)&nbsp;any Termination
Event (as so defined) under such Swap Contract as to which the Borrower or any Subsidiary is an
Affected Party (as so defined) and, in either event, the Swap Termination Value owed by the
Borrower or such Subsidiary as a result thereof is greater than the Threshold Amount; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) <U>Insolvency Proceedings, Etc</U>. Any Loan Party or any of its Subsidiaries institutes
or consents to the institution of any proceeding under any Debtor Relief Law, or makes an
assignment for the benefit of creditors; or applies for or consents to the appointment of any
receiver, trustee, custodian, conservator, liquidator, or similar officer for it or for all or any
material part of its property; or any receiver, trustee, custodian, conservator, liquidator, or
similar officer is appointed without the application or consent of such Person and the appointment
continues undischarged or unstayed for 60 calendar days; or any proceeding under any Debtor Relief
Law relating to any such Person or to all or any material part of its property is instituted
without the consent of such Person and continues undismissed or unstayed for 60 calendar days, or
an order for relief is entered in any such proceeding; or the Borrower or any of its Subsidiaries
shall take any corporate, partnership or company action in furtherance of the foregoing; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g) <U>Inability to Pay Debts; Attachment</U>. (i)&nbsp;The Borrower or any Subsidiary becomes
unable or admits in writing its inability or fails generally to pay its debts as they become due,
or (ii)&nbsp;any writ or warrant of attachment or execution or similar process is issued or levied
against all or any property of such Person if such property is a material part of the property of
the Borrower and its Subsidiaries taken as a whole and is not released, vacated or fully bonded
within 30&nbsp;days after its issue or levy; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h) <U>Judgments</U>. There is entered against the Borrower or any Subsidiary (i)&nbsp;a final
judgment or order for the payment of money in an aggregate amount exceeding the Threshold Amount
(to the extent not covered by independent third-party insurance as to which the insurer does not
dispute coverage), or (ii)&nbsp;any one or more non-monetary final judgments that have, or could
reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect and, in
either case, (A)&nbsp;enforcement proceedings are commenced by any creditor upon such judgment or order,
or (B)&nbsp;the same shall remain undischarged for a period of 20 consecutive days during which a stay
of enforcement of such judgment, by reason of a pending appeal or otherwise, is not in effect; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) <U>ERISA</U>. (i)&nbsp;An ERISA Event occurs with respect to a Pension Plan or Multiemployer
Plan which has resulted or could reasonably be expected to result in liability of the Borrower
under Title IV of ERISA to the Pension Plan, Multiemployer Plan or the PBGC in
</DIV>




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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">an aggregate amount in excess of the Threshold Amount, or (ii)&nbsp;the Borrower or any ERISA
Affiliate fails to pay when due, after the expiration of any applicable grace period, any
installment payment with respect to its withdrawal liability under Section&nbsp;4201 of ERISA under a
Multiemployer Plan in an aggregate amount in excess of the Threshold Amount; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j) <U>Invalidity of Loan Documents</U>. Any Loan Document, at any time after its execution
and delivery and for any reason other than as expressly permitted hereunder or thereunder or
satisfaction in full of all the Obligations, ceases to be in full force and effect; or any Loan
Party or any other Person contests in any manner the validity or enforceability of any Loan
Document; or any Loan Party denies that it has any or further liability or obligation under any
Loan Document, or purports to revoke, terminate or rescind any Loan Document; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>8.02 Remedies Upon Event of Default</B>. If any Event of Default occurs and is continuing, the
Administrative Agent shall, at the request of, or may, with the consent of, the Required Lenders,
take any or all of the following actions:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;declare the commitment of each Lender to make Loans to be terminated, whereupon such
commitments and obligation shall be terminated;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;declare the unpaid principal amount of all outstanding Loans, all interest accrued and
unpaid thereon, and all other amounts owing or payable hereunder or under any other Loan Document
to be immediately due and payable, without presentment, demand, protest, notice of intent to
accelerate, notice of acceleration, or other notice of any kind, all of which are hereby expressly
waived by the Borrower; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;exercise on behalf of itself and the Lenders all rights and remedies available to it and
the Lenders under the Loan Documents or applicable Law;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><I>provided</I>, <I>however</I>, that upon the occurrence of an actual or deemed entry of an order for relief
with respect to the Borrower under the Bankruptcy Code of the United States, the obligation of each
Lender to make Loans shall automatically terminate, the unpaid principal amount of all outstanding
Loans and all interest and other amounts as aforesaid shall automatically become due and payable,
in each case without further act of the Administrative Agent or any Lender.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>8.03 Application of Funds</B>. After the exercise of remedies provided for in
<U>Section&nbsp;8.02</U> (or after the Loans have automatically become immediately due and payable),
any amounts received on account of the Obligations shall be applied by the Administrative Agent in
the following order:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>First</I>, to payment of that portion of the Obligations constituting fees, indemnities, expenses
and other amounts (including fees, charges and disbursements of counsel to the Administrative Agent
and amounts payable under Article&nbsp;III) payable to the Administrative Agent in its capacity as such;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Second</I>, to payment of that portion of the Obligations constituting fees, indemnities and other
amounts (other than principal and interest) payable to the Lenders (including fees, charges and
disbursements of counsel to the respective Lenders and amounts payable under Article&nbsp;III),
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">ratably among them in proportion to the amounts described in this clause Second payable to
them;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Third</I>, to payment of that portion of the Obligations constituting accrued and unpaid interest
on the Loans and other Obligations, ratably among the Lenders in proportion to the respective
amounts described in this clause Third payable to them;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Fourth</I>, to payment of that portion of the Obligations constituting unpaid principal of the
Loans, ratably among the Lenders in proportion to the respective amounts described in this clause
Fourth held by them; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Last</I>, the balance, if any, after all of the Obligations have been indefeasibly paid in full,
to the Borrower or as otherwise required by Law.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE IX</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>ADMINISTRATIVE AGENT</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.01 Appointment and Authority</B>. Each of the Lenders hereby irrevocably appoints Wells Fargo
to act on its behalf as the Administrative Agent hereunder and under the other Loan Documents and
authorizes the Administrative Agent to take such actions on its behalf and to exercise such powers
as are delegated to the Administrative Agent by the terms hereof or thereof, together with such
actions and powers as are reasonably incidental thereto. The provisions of this Article are solely
for the benefit of the Administrative Agent and the Lenders, and neither the Borrower nor any other
Loan Party shall have rights as a third party beneficiary of any of such provisions.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.02 Rights as a Lender</B>. The Person serving as the Administrative Agent hereunder shall have
the same rights and powers in its capacity as a Lender as any other Lender and may exercise the
same as though it were not the Administrative Agent and the term &#147;<U>Lender</U>&#148; or
&#147;<U>Lenders</U>&#148; shall, unless otherwise expressly indicated or unless the context otherwise
requires, include the Person serving as the Administrative Agent hereunder in its individual
capacity. Such Person and its Affiliates may accept deposits from, lend money to, act as the
financial advisor or in any other advisory capacity for and generally engage in any kind of
business with the Borrower or any Subsidiary or other Affiliate thereof as if such Person were not
the Administrative Agent hereunder and without any duty to account therefor to the Lenders.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.03 Exculpatory Provisions</B>. The Administrative Agent shall not have any duties or
obligations except those expressly set forth herein and in the other Loan Documents. Without
limiting the generality of the foregoing, the Administrative Agent:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;shall not be subject to any fiduciary or other implied duties, regardless of whether a
Default has occurred and is continuing;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;shall not have any duty to take any discretionary action or exercise any discretionary
powers, except discretionary rights and powers expressly contemplated hereby or by the other Loan
Documents that the Administrative Agent is required to exercise as directed in writing by the
Required Lenders (or such other number or percentage of the Lenders as shall be
</DIV>




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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">expressly provided for herein or in the other Loan Documents), <I>provided </I>that the
Administrative Agent shall not be required to take any action that, in its opinion or the opinion
of its counsel, may expose the Administrative Agent to liability or that is contrary to any Loan
Document or applicable law; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;shall not, except as expressly set forth herein and in the other Loan Documents, have any
duty to disclose, and shall not be liable for the failure to disclose, any information relating to
the Borrower or any of its Affiliates that is communicated to or obtained by the Person serving as
the Administrative Agent or any of its Affiliates in any capacity.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Administrative Agent shall not be liable for any action taken or not taken by it (i)&nbsp;with
the consent or at the request of the Required Lenders (or such other number or percentage of the
Lenders as shall be necessary, or as the Administrative Agent shall believe in good faith shall be
necessary, under the circumstances as provided in <U>Sections&nbsp;10.01</U> and <U>8.02</U>) or (ii)
in the absence of its own gross negligence or willful misconduct. The Administrative Agent shall
be deemed not to have knowledge of any Default unless and until notice describing such Default is
given to the Administrative Agent by the Borrower or a Lender.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Administrative Agent shall not be responsible for or have any duty to ascertain or inquire
into (i)&nbsp;any statement, warranty or representation made in or in connection with this Agreement or
any other Loan Document, (ii)&nbsp;the contents of any certificate, report or other document delivered
hereunder or thereunder or in connection herewith or therewith, (iii)&nbsp;the performance or observance
of any of the covenants, agreements or other terms or conditions set forth herein or therein or the
occurrence of any Default, (iv)&nbsp;the validity, enforceability, effectiveness or genuineness of this
Agreement, any other Loan Document or any other agreement, instrument or document or (v)&nbsp;the
satisfaction of any condition set forth in Article&nbsp;IV or elsewhere herein, other than to confirm
receipt of items expressly required to be delivered to the Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.04 Reliance by Administrative Agent</B>. The Administrative Agent shall be entitled to rely
upon, and shall not incur any liability for relying upon, any notice, request, certificate,
consent, statement, instrument, document or other writing (including any electronic message,
Internet or intranet website posting or other distribution) believed by it to be genuine and to
have been signed, sent or otherwise authenticated by the proper Person. The Administrative Agent
also may rely upon any statement made to it orally or by telephone and believed by it to have been
made by the proper Person, and shall not incur any liability for relying thereon. In determining
compliance with any condition hereunder to the making of a Loan that by its terms must be fulfilled
to the satisfaction of a Lender, the Administrative Agent may presume that such condition is
satisfactory to such Lender unless the Administrative Agent shall have received notice to the
contrary from such Lender prior to the making of such Loan. The Administrative Agent may consult
with legal counsel (who may be counsel for the Borrower), independent accountants and other experts
selected by it, and shall not be liable for any action taken or not taken by it in accordance with
the advice of any such counsel, accountants or experts.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.05 Delegation of Duties</B>. The Administrative Agent may perform any and all of its duties and
exercise its rights and powers hereunder or under any other Loan Document by or through any one or
more sub agents appointed by the Administrative Agent. The Administrative
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Agent and any such sub agent may perform any and all of its duties and exercise its rights and
powers by or through their respective Related Parties. The exculpatory provisions of this Article
shall apply to any such sub agent and to the Related Parties of the Administrative Agent and any
such sub agent, and shall apply to their respective activities in connection with the syndication
of the credit facilities provided for herein as well as activities as Administrative Agent.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.06 Resignation of Administrative Agent</B>. The Administrative Agent may at any time give
notice of its resignation to the Lenders and the Borrower. Upon receipt of any such notice of
resignation, the Required Lenders shall have the right, in consultation with the Borrower, to
appoint a successor, which shall be a bank with an office in the United States, or an Affiliate of
any such bank with an office in the United States. If no such successor shall have been so
appointed by the Required Lenders and shall have accepted such appointment within 30&nbsp;days after the
retiring Administrative Agent gives notice of its resignation, then the retiring Administrative
Agent may on behalf of the Lenders, appoint a successor Administrative Agent meeting the
qualifications set forth above; <I>provided </I>that if the Administrative Agent shall notify the Borrower
and the Lenders that no qualifying Person has accepted such appointment, then such resignation
shall nonetheless become effective in accordance with such notice and (1)&nbsp;the retiring
Administrative Agent shall be discharged from its duties and obligations hereunder and under the
other Loan Documents (except that in the case of any collateral security held by the Administrative
Agent on behalf of the Lenders under any of the Loan Documents, the retiring Administrative Agent
shall continue to hold such collateral security until such time as a successor Administrative Agent
is appointed) and (2)&nbsp;all payments, communications and determinations provided to be made by, to or
through the Administrative Agent shall instead be made by or to each Lender directly, until such
time as the Required Lenders appoint a successor Administrative Agent as provided for above in this
Section. Upon the acceptance of a successor&#146;s appointment as Administrative Agent hereunder, such
successor shall succeed to and become vested with all of the rights, powers, privileges and duties
of the retiring (or retired) Administrative Agent, and the retiring Administrative Agent shall be
discharged from all of its duties and obligations hereunder or under the other Loan Documents (if
not already discharged therefrom as provided above in this Section). The fees payable by the
Borrower to a successor Administrative Agent shall be the same as those payable to its predecessor
unless otherwise agreed between the Borrower and such successor. After the retiring Administrative
Agent&#146;s resignation hereunder and under the other Loan Documents, the provisions of this Article
and <U>Section&nbsp;10.04</U> shall continue in effect for the benefit of such retiring Administrative
Agent, its sub agents and their respective Related Parties in respect of any actions taken or
omitted to be taken by any of them while the retiring Administrative Agent was acting as
Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.07 Non-Reliance on Administrative Agent and Other Lenders</B>. Each Lender acknowledges that it
has, independently and without reliance upon the Administrative Agent or any other Lender or any of
their Related Parties and based on such documents and information as it has deemed appropriate,
made its own credit analysis and decision to enter into this Agreement. Each Lender also
acknowledges that it will, independently and without reliance upon the Administrative Agent or any
other Lender or any of their Related Parties and based on such documents and information as it
shall from time to time deem appropriate, continue to make its own decisions in taking or not
taking action under or based upon this Agreement, any other Loan Document or any related agreement
or any document furnished hereunder or thereunder.
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.08 No Other Duties, Etc</B>. Anything herein to the contrary notwithstanding, none of the
Bookrunners, Arrangers or agents, if any, listed on the cover page hereof shall have any powers,
duties or responsibilities under this Agreement or any of the other Loan Documents, except in its
capacity, as applicable, as the Administrative Agent or a Lender.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.09 Administrative Agent May File Proofs of Claim</B>. In case of the pendency of any
receivership, insolvency, liquidation, bankruptcy, reorganization, arrangement, adjustment,
composition or other judicial proceeding relative to any Loan Party, the Administrative Agent
(irrespective of whether the principal of any Loan shall then be due and payable as herein
expressed or by declaration or otherwise and irrespective of whether the Administrative Agent shall
have made any demand on the Borrower) shall be entitled and empowered, by intervention in such
proceeding or otherwise
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;to file and prove a claim for the whole amount of the principal and interest owing and
unpaid in respect of the Loans and all other Obligations that are owing and unpaid and to file such
other documents as may be necessary or advisable in order to have the claims of the Lenders and the
Administrative Agent (including any claim for the reasonable compensation, expenses, disbursements
and advances of the Lenders and the Administrative Agent and their respective agents and counsel
and all other amounts due the Lenders and the Administrative Agent under <U>Sections&nbsp;2.09</U> and
<U>10.04</U>) allowed in such judicial proceeding; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;to collect and receive any monies or other property payable or deliverable on any such
claims and to distribute the same;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">and any custodian, receiver, assignee, trustee, liquidator, sequestrator or other similar official
in any such judicial proceeding is hereby authorized by each Lender to make such payments to the
Administrative Agent and, in the event that the Administrative Agent shall consent to the making of
such payments directly to the Lenders, to pay to the Administrative Agent any amount due for the
reasonable compensation, expenses, disbursements and advances of the Administrative Agent and its
agents and counsel, and any other amounts due the Administrative Agent under <U>Sections&nbsp;2.09</U>
and <U>10.04</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Nothing contained herein shall be deemed to authorize the Administrative Agent to authorize or
consent to or accept or adopt on behalf of any Lender any plan of reorganization, arrangement,
adjustment or composition affecting the Obligations or the rights of any Lender or to authorize the
Administrative Agent to vote in respect of the claim of any Lender in any such proceeding.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.10 Guaranty Matters</B>. The Lenders irrevocably authorize the Administrative Agent, at its
option and in its discretion, to release any Guarantor from its obligations under the Guaranty if
such Person ceases to be a Subsidiary as a result of a transaction permitted hereunder.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Upon request by the Administrative Agent at any time, the Required Lenders will confirm in
writing the Administrative Agent&#146;s authority to release any Guarantor from its obligations under
the Guaranty pursuant to this <U>Section&nbsp;9.10</U>.
</DIV>

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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ARTICLE X</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>MISCELLANEOUS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.01 Amendments, Etc</B>. No amendment or waiver of any provision of this Agreement or any other
Loan Document, and no consent to any departure by the Borrower or any other Loan Party therefrom,
shall be effective unless in writing signed by the Required Lenders and the Borrower or the
applicable Loan Party, as the case may be, and acknowledged by the Administrative Agent, and each
such waiver or consent shall be effective only in the specific instance and for the specific
purpose for which given; <I>provided</I>, <I>however</I>, that no such amendment, waiver or consent shall:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;waive any condition set forth in <U>Section&nbsp;4.01(a)</U> without the written consent of
each Lender;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;extend or increase the Commitment of any Lender (or reinstate any Commitment terminated
pursuant to <U>Section&nbsp;8.02</U>) without the written consent of such Lender;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;postpone any date fixed by this Agreement or any other Loan Document for any payment of
principal, interest, fees or other amounts due to the Lenders (or any of them) hereunder or under
any other Loan Document without the written consent of each Lender directly affected thereby;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;reduce the principal of, or the rate of interest specified herein on, any Loan, or
(subject to clause (iv)&nbsp;of the second proviso to this <U>Section&nbsp;10.01</U>) any fees or other
amounts payable hereunder or under any other Loan Document without the written consent of each
Lender directly affected thereby; <I>provided</I>, <I>however</I>, that only the consent of the Required Lenders
shall be necessary (i)&nbsp;to amend the definition of &#147;<U>Default Rate</U>&#148; or (ii)&nbsp;to amend any
financial covenant hereunder (or any defined term used therein) even if the effect of such
amendment would be to reduce the rate of interest on any Loan or to reduce any fee payable
hereunder;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;change <U>Section&nbsp;2.13</U> or <U>Section&nbsp;8.03</U> in a manner that would alter the pro
rata sharing of payments required thereby without the written consent of each Lender;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;change any provision of this Section or the definition of &#147;<U>Required Lenders</U>&#148; or
any other provision hereof specifying the number or percentage of Lenders required to amend, waive
or otherwise modify any rights hereunder or make any determination or grant any consent hereunder,
without the written consent of each Lender; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;release all or substantially all of the Guarantors from the Guaranty without the written
consent of each Lender;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">and, <I>provided</I>, <I>further</I>, that (i)&nbsp;no amendment, waiver or consent shall, unless in writing and
signed by the Administrative Agent in addition to the Lenders required above, affect the rights or
duties of the Administrative Agent under this Agreement or any other Loan Document; and (ii)
<U>Section&nbsp;10.06(h)</U> may not be amended, waived or otherwise modified without the consent of
each Granting Lender all or any part of whose Loans are being funded by an SPC at the time of such
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">amendment, waiver or other modification; and (iii)&nbsp;the Fee Letter may be amended, or rights or
privileges thereunder waived, in a writing executed only by the parties thereto.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.02 Notices; Effectiveness; Electronic Communication</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Notices Generally</U>. Except in the case of notices and other communications
expressly permitted to be given by telephone (and except as provided in subsection (b)&nbsp;below), all
notices and other communications provided for herein shall be in writing and shall be delivered by
hand or overnight courier service, mailed by certified or registered mail or sent by telecopier as
follows, and all notices and other communications expressly permitted hereunder to be given by
telephone shall be made to the applicable telephone number, as follows:
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) if to the Borrower or the Administrative Agent, to the address, telecopier number,
electronic mail address or telephone number specified for such Person on
<U>Schedule&nbsp;10.02</U>; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) if to any other Lender, to the address, telecopier number, electronic mail address
or telephone number specified in its Administrative Questionnaire.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notices sent by hand or overnight courier service, or mailed by certified or registered mail,
shall be deemed to have been given when received; notices sent by telecopier shall be deemed to
have been given when sent (except that, if not given during normal business hours for the
recipient, shall be deemed to have been given at the opening of business on the next business day
for the recipient). Notices delivered through electronic communications to the extent provided in
subsection (b)&nbsp;below, shall be effective as provided in such subsection (b).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Electronic Communications</U>. Notices and other communications to the Lenders
hereunder may be delivered or furnished by electronic communication (including e mail and Internet
or intranet websites) pursuant to procedures approved by the Administrative Agent, <I>provided </I>that
the foregoing shall not apply to notices to any Lender pursuant to Article&nbsp;II if such Lender has
notified the Administrative Agent that it is incapable of receiving notices under such Article by
electronic communication. The Administrative Agent or the Borrower may, in its discretion, agree
to accept notices and other communications to it hereunder by electronic communications pursuant to
procedures approved by it, <I>provided </I>that approval of such procedures may be limited to particular
notices or communications.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unless the Administrative Agent otherwise prescribes, (i)&nbsp;notices and other communications
sent to an e-mail address shall be deemed received upon the sender&#146;s receipt of an acknowledgement
from the intended recipient (such as by the &#147;return receipt requested&#148; function, as available,
return e-mail or other written acknowledgement), <I>provided </I>that if such notice or other
communication is not sent during the normal business hours of the recipient, such notice or
communication shall be deemed to have been sent at the opening of business on the next business day
for the recipient, and (ii)&nbsp;notices or communications posted to an Internet or intranet website
shall be deemed received upon the deemed receipt by the intended recipient at its e-mail address as
described in the foregoing clause (i)&nbsp;of notification that such notice or communication is
available and identifying the website address therefor.
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Change of Address, Etc</U>. Each of the Borrower and the Administrative Agent may
change its address, telecopier or telephone number for notices and other communications hereunder
by notice to the other parties hereto. Each other Lender may change its address, telecopier or
telephone number for notices and other communications hereunder by notice to the Borrower and the
Administrative Agent.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Reliance by Administrative Agent and Lenders</U>. The Administrative Agent and the
Lenders shall be entitled to rely and act upon any notices (including telephonic Loan Notices)
purportedly given by or on behalf of the Borrower even if (i)&nbsp;such notices were not made in a
manner specified herein, were incomplete or were not preceded or followed by any other form of
notice specified herein, or (ii)&nbsp;the terms thereof, as understood by the recipient, varied from any
confirmation thereof. The Borrower shall indemnify the Administrative Agent, each Lender and the
Related Parties of each of them from all losses, costs, expenses and liabilities resulting from the
reliance by such Person on each notice purportedly given by or on behalf of the Borrower. All
telephonic notices to and other telephonic communications with the Administrative Agent may be
recorded by the Administrative Agent, and each of the parties hereto hereby consents to such
recording.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.03 No Waiver; Cumulative Remedies</B>. No failure by any Lender or the Administrative Agent to
exercise, and no delay by any such Person in exercising, any right, remedy, power or privilege
hereunder shall operate as a waiver thereof; nor shall any single or partial exercise of any right,
remedy, power or privilege hereunder preclude any other or further exercise thereof or the exercise
of any other right, remedy, power or privilege. The rights, remedies, powers and privileges herein
provided are cumulative and not exclusive of any rights, remedies, powers and privileges provided
by law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.04 Expenses; Indemnity; Damage Waiver</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Costs and Expenses</U>. The Borrower shall pay (i)&nbsp;all reasonable out of pocket
expenses incurred by the Administrative Agent and its Affiliates (including the reasonable fees,
charges and disbursements of counsel for the Administrative Agent), in connection with the
syndication of the credit facilities provided for herein, the preparation, negotiation, execution,
delivery and administration of this Agreement and the other Loan Documents or any amendments,
modifications or waivers of the provisions hereof or thereof (whether or not the transactions
contemplated hereby or thereby shall be consummated), and (ii)&nbsp;all out of pocket expenses incurred
by the Administrative Agent or any Lender (including the fees, charges and disbursements of any
counsel for the Administrative Agent or any Lender), in connection with the enforcement or
protection of its rights (A)&nbsp;in connection with this Agreement and the other Loan Documents,
including its rights under this Section, or (B)&nbsp;in connection with the Loans made, including all
such out of pocket expenses incurred during any workout, restructuring or negotiations in respect
of such Loans.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Indemnification by the Borrower</U>. The Borrower shall indemnify the Administrative
Agent (and any sub-agent thereof), each Lender, and each Related Party of any of the foregoing
Persons (each such Person being called an &#147;<U>Indemnitee</U>&#148;) against, and hold each Indemnitee
harmless from, any and all losses, claims, damages, liabilities and related expenses (including the
fees, charges and disbursements of any counsel for any Indemnitee), incurred by
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">any Indemnitee or asserted against any Indemnitee by any third party or by the Borrower or any
other Loan Party arising out of, in connection with, or as a result of (i)&nbsp;the syndication of the
credit facilities provided for herein, the preparation, negotiation execution or delivery of this
Agreement, any other Loan Document or any agreement or instrument contemplated hereby or thereby,
the performance by the parties hereto of their respective obligations hereunder or thereunder or
the consummation of the transactions contemplated hereby or thereby, (ii)&nbsp;any Loan or the use or
proposed use of the proceeds therefrom, (iii)&nbsp;any actual or alleged presence or release of
Hazardous Materials on or from any property owned or operated by the Borrower or any of its
Subsidiaries, or any Environmental Liability related in any way to the Borrower or any of its
Subsidiaries, or (iv)&nbsp;any actual or prospective claim, litigation, investigation or proceeding
relating to any of the foregoing, whether based on contract, tort or any other theory, whether
brought by a third party or by the Borrower or any other Loan Party, and regardless of whether any
Indemnitee is a party thereto, in all cases, whether or not caused by or arising, in whole or in
part, out of the comparative, contributory or sole negligence of the Indemnitee; <I>provided </I>that such
indemnity shall not, as to any Indemnitee, be available to the extent that such losses, claims,
damages, liabilities or related expenses are determined by a court of competent jurisdiction by
final and nonappealable judgment to have resulted from the gross negligence or willful misconduct
of, or a breach of a Loan Document in any material respect by such Indemnitee.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Reimbursement by Lenders</U>. To the extent that the Borrower for any reason fails to
indefeasibly pay any amount required under subsection (a)&nbsp;or (b)&nbsp;of this Section to be paid by it
to the Administrative Agent (or any sub-agent thereof) or any Related Party of any of the
foregoing, each Lender severally agrees to pay to the Administrative Agent (or any such sub-agent)
or such Related Party, as the case may be, such Lender&#146;s Applicable Percentage (determined as of
the time that the applicable unreimbursed expense or indemnity payment is sought) of such unpaid
amount, <I>provided </I>that the unreimbursed expense or indemnified loss, claim, damage, liability or
related expense, as the case may be, was incurred by or asserted against the Administrative Agent
(or any such sub-agent) in its capacity as such, or against any Related Party of any of the
foregoing acting for the Administrative Agent (or any such sub-agent) in connection with such
capacity. The obligations of the Lenders under this subsection (c)&nbsp;are subject to the provisions
of <U>Section&nbsp;2.12(d)</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Waiver of Consequential Damages, Etc</U>. To the fullest extent permitted by
applicable law, no party hereto shall assert, and each party hereto hereby waives, any claim
against any Indemnitee, on any theory of liability, for special, indirect, consequential or
punitive damages (as opposed to direct or actual damages) arising out of, in connection with, or as
a result of, this Agreement, any other Loan Document or any agreement or instrument contemplated
hereby, the transactions contemplated hereby or thereby, any Loan or the use of the proceeds
thereof. No Indemnitee referred to in subsection (b)&nbsp;above shall be liable for any damages arising
from the use by unintended recipients of any information or other materials distributed by it
through telecommunications, electronic or other information transmission systems in connection with
this Agreement or the other Loan Documents or the transactions contemplated hereby or thereby.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) <U>Payments</U>. All amounts due under this Section shall be payable not later than ten
Business Days after demand therefor.
</DIV>





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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) <U>Survival</U>. The agreements in this Section shall survive the resignation of the
Administrative Agent, the termination of the Aggregate Commitments and the repayment, satisfaction
or discharge of all the other Obligations.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.05 Payments Set Aside</B>. To the extent that any payment by or on behalf of the Borrower is
made to the Administrative Agent or any Lender, or the Administrative Agent or any Lender exercises
its right of setoff, and such payment or the proceeds of such setoff or any part thereof is
subsequently invalidated, declared to be fraudulent or preferential, set aside or required
(including pursuant to any settlement entered into by the Administrative Agent or such Lender in
its discretion) to be repaid to a trustee, receiver or any other party, in connection with any
proceeding under any Debtor Relief Law or otherwise, then (a)&nbsp;to the extent of such recovery, the
obligation or part thereof originally intended to be satisfied shall be revived and continued in
full force and effect as if such payment had not been made or such setoff had not occurred, and (b)
each Lender severally agrees to pay to the Administrative Agent upon demand its applicable share
(without duplication) of any amount so recovered from or repaid by the Administrative Agent, plus
interest thereon from the date of such demand to the date such payment is made at a rate per annum
equal to the Federal Funds Rate from time to time in effect. The obligations of the Lenders under
clause (b)&nbsp;of the preceding sentence shall survive the payment in full of the Obligations and the
termination of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.06 Successors and Assigns</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Successors and Assigns Generally</U>. The provisions of this Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective successors and
assigns permitted hereby, except that the Borrower may not assign or otherwise transfer any of its
rights or obligations hereunder without the prior written consent of the Administrative Agent and
each Lender and no Lender may assign or otherwise transfer any of its rights or obligations
hereunder except (i)&nbsp;to an Eligible Assignee in accordance with the provisions of subsection (b)&nbsp;of
this Section, (ii)&nbsp;by way of participation in accordance with the provisions of subsection (d)&nbsp;of
this Section, (iii)&nbsp;by way of pledge or assignment of a security interest subject to the
restrictions of subsection (f)&nbsp;of this Section, or (iv)&nbsp;to an SPC in accordance with the provisions
of subsection (h)&nbsp;of this Section (and any other attempted assignment or transfer by any party
hereto shall be null and void). Nothing in this Agreement, expressed or implied, shall be
construed to confer upon any Person (other than the parties hereto, their respective successors and
assigns permitted hereby, Participants to the extent provided in subsection (d)&nbsp;of this Section
and, to the extent expressly contemplated hereby, the Related Parties of each of the Administrative
Agent and the Lenders) any legal or equitable right, remedy or claim under or by reason of this
Agreement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Assignments by Lenders</U>. Any Lender may, upon obtaining written consent of the
Borrower, such consent not to be unreasonably conditioned, withheld or delayed, at any time assign
to one or more Eligible Assignees all or a portion of its rights and obligations under this
Agreement (including all or a portion of its Commitment and the Loans at the time owing to it);
<I>provided </I>that
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) except in the case of an assignment of the entire remaining amount of the assigning
Lender&#146;s Commitment and the Loans at the time owing to it or in the case
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">of an assignment to
a Lender or an Affiliate of a Lender, the aggregate amount of the Commitment (which for this
purpose includes Loans outstanding thereunder) or, if the Commitment is not then in effect,
the principal outstanding balance of the Loans of the assigning Lender subject to each such
assignment, determined as of the date the Assignment and Assumption with respect to such
assignment is delivered to the Administrative Agent or, if &#147;<U>Trade Date</U>&#148; is specified
in the Assignment and Assumption, as of the Trade Date, shall not be less than $5,000,000
unless each of the Administrative Agent and, so long as no Event of Default has occurred and
is continuing, the Borrower otherwise consents (each such consent not to be unreasonably
withheld or delayed);
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) each partial assignment shall be made as an assignment of a proportionate part of
all the assigning Lender&#146;s rights and obligations under this Agreement with respect to the
Loans or the Commitment assigned;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) any assignment of a Commitment must be approved by the Administrative Agent
unless the Person that is the proposed assignee is itself a Lender (whether or not the
proposed assignee would otherwise qualify as an Eligible Assignee); and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) the parties to each assignment shall execute and deliver to the Administrative
Agent an Assignment and Assumption, together with a processing and recordation fee of $3,500
(unless the Eligible Assignee is an Affiliate of a Lender, in which case such fee shall not
apply), and the Eligible Assignee, if it shall not be a Lender, shall deliver to the
Administrative Agent an Administrative Questionnaire.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Subject to acceptance and recording thereof by the Administrative Agent pursuant to subsection
(c)&nbsp;of this Section, from and after the effective date specified in each Assignment and Assumption,
the Eligible Assignee thereunder shall be a party to this Agreement and, to the extent of the
interest assigned by such Assignment and Assumption, have the rights and obligations of a Lender
under this Agreement, and the assigning Lender thereunder shall, to the extent of the interest
assigned by such Assignment and Assumption, be released from its obligations under this Agreement
(and, in the case of an Assignment and Assumption covering all of the assigning Lender&#146;s rights and
obligations under this Agreement, such Lender shall cease to be a party hereto) but shall continue
to be entitled to the benefits of <U>Sections&nbsp;3.01</U>, <U>3.04</U>, <U>3.05</U>, and
<U>10.04</U> with respect to facts and circumstances occurring prior to the effective date of such
assignment. Upon request, the Borrower (at its expense) shall execute and deliver a Note to the
assignee Lender. Any assignment or transfer by a Lender of rights or obligations under this
Agreement that does not comply with this subsection shall be treated for purposes of this Agreement
as a sale by such Lender of a participation in such rights and obligations in accordance with
subsection (d)&nbsp;of this Section.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Register</U>. The Administrative Agent, acting solely for this purpose as an agent of
the Borrower, shall maintain at the Administrative Agent&#146;s Office a copy of each Assignment and
Assumption delivered to it and a register for the recordation of the names and addresses of the
Lenders, and the Commitments of, and principal amounts of the Loans owing to, each Lender pursuant
to the terms hereof from time to time (the &#147;<U>Register</U>&#148;). The entries in the Register shall
be presumed correct, and the Borrower, the Administrative Agent and the Lenders
</DIV>




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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">may treat each
Person whose name is recorded in the Register pursuant to the terms hereof as a Lender hereunder
for all purposes of this Agreement, notwithstanding notice to the contrary. The Register shall be
available for inspection by the Borrower at any reasonable time and from time to time upon
reasonable prior notice. In addition, at any time that a request for a consent for a material or
substantive change to the Loan Documents is pending, any Lender wishing to consult with other
Lenders in connection therewith may request and receive from the Administrative Agent a copy of the
Register.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Participations</U>. Any Lender may at any time, without the consent of, or notice to,
the Borrower or the Administrative Agent, sell participations to any Person (other than a natural
person or the Borrower or any of the Borrower&#146;s Affiliates or Subsidiaries) (each, a
&#147;<U>Participant</U>&#148;) in all or a portion of such Lender&#146;s rights and/or obligations under this
Agreement (including all or a portion of its Commitment and/or the Loans owing to it); <I>provided</I>
that (i)&nbsp;such Lender&#146;s obligations under this Agreement shall remain unchanged, (ii)&nbsp;such Lender
shall remain solely responsible to the other parties hereto for the performance of such obligations
and (iii)&nbsp;the Borrower, the Administrative Agent and the Lenders shall continue to deal solely and
directly with such Lender in connection with such Lender&#146;s rights and obligations under this
Agreement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any agreement or instrument pursuant to which a Lender sells such a participation shall
provide that such Lender shall retain the sole right to enforce this Agreement and to approve any
amendment, modification or waiver of any provision of this Agreement; <I>provided </I>that such agreement
or instrument may provide that such Lender will not, without the consent of the Participant, agree
to any amendment, waiver or other modification described in the first proviso to
<U>Section&nbsp;10.01</U> that affects such Participant. Subject to subsection (e)&nbsp;of this Section,
the Borrower agrees that each Participant shall be entitled to the benefits of
<U>Sections&nbsp;3.01</U>, <U>3.04</U> and <U>3.05</U> to the same extent as if it were a Lender and
had acquired its interest by assignment pursuant to subsection (b)&nbsp;of this Section. To the extent
permitted by law, each Participant also shall be entitled to the benefits of <U>Section&nbsp;10.08</U>
as though it were a Lender, <I>provided </I>such Participant agrees to be subject to <U>Section&nbsp;2.13</U>
as though it were a Lender.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) <U>Limitations upon Participant Rights</U>. A Participant shall not be entitled to
receive any greater payment under <U>Section&nbsp;3.01</U> or <U>3.04</U> than the applicable Lender
would have been entitled to receive with respect to the participation sold to such Participant,
unless the sale of the participation to such Participant is made with the Borrower&#146;s prior written
consent. A Participant that would be a Foreign Lender if it were a Lender shall not be entitled to
the benefits of <U>Section&nbsp;3.01</U> unless the Borrower is notified of the participation sold to
such Participant and such Participant agrees, for the benefit of the Borrower, to comply with
<U>Section&nbsp;3.01(e)</U> as though it were a Lender.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) <U>Certain Pledges</U>. Any Lender may at any time pledge or assign a security interest
in all or any portion of its rights under this Agreement (including under its Note, if any) to
secure obligations of such Lender, including any pledge or assignment to secure obligations to a
Federal Reserve Bank; <I>provided </I>that no such pledge or assignment shall release such Lender from any
of its obligations hereunder or substitute any such pledgee or assignee for such Lender as a party
hereto.
</DIV>



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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g) <U>Electronic Execution of Assignments</U>. The words &#147;execution,&#148; &#147;signed,&#148;
&#147;signature,&#148; and words of like import in any Assignment and Assumption shall be deemed to include
electronic signatures or the keeping of records in electronic form, each of which shall be of the
same legal effect, validity or enforceability as a manually executed signature or the use of a
paper-based recordkeeping system, as the case may be, to the extent and as provided for in any
applicable law, including the Federal Electronic Signatures in Global and National Commerce Act,
the New York State Electronic Signatures and Records Act, or any other similar state laws based on
the Uniform Electronic Transactions Act.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h) <U>Special Purpose Funding Vehicles</U>. Notwithstanding anything to the contrary
contained herein, any Lender (a &#147;<U>Granting Lender</U>&#148;) may grant to a special purpose funding
vehicle identified as such in writing from time to time by the Granting Lender to the
Administrative Agent and the Borrower (an &#147;<U>SPC</U>&#148;) the option to provide all or any part of
any Loan that such Granting Lender would otherwise be obligated to make pursuant to this Agreement;
<I>provided </I>that (i)&nbsp;nothing herein shall constitute a commitment by any SPC to fund any Loan, and
(ii)&nbsp;if an SPC elects not to exercise such option or otherwise fails to make all or any part of
such Loan, the Granting Lender shall be obligated to make such Loan pursuant to the terms hereof
or, if it fails to do so, to make such payment to the Administrative Agent as is required under
<U>Section&nbsp;2.12(b)(ii)</U>. Each party hereto hereby agrees that (i)&nbsp;neither the grant to any SPC
nor the exercise by any SPC of such option shall increase the costs or expenses or otherwise
increase or change the obligations of the Borrower under this Agreement (including its obligations
under <U>Section&nbsp;3.04</U>), (ii)&nbsp;no SPC shall be liable for any indemnity or similar payment
obligation under this Agreement for which a Lender would be liable, and (iii)&nbsp;the Granting Lender
shall for all purposes, including the approval of any amendment, waiver or other modification of
any provision of any Loan Document, remain the lender of record hereunder. The making of a Loan by
an SPC hereunder shall utilize the Commitment of the Granting Lender to the same extent, and as if,
such Loan were made by such Granting Lender. In furtherance of the foregoing, each party hereto
hereby agrees (which agreement shall survive the termination of this Agreement) that, prior to the
date that is one year and one day after the payment in full of all outstanding commercial paper or
other senior debt of any SPC, it will not institute against, or join any other Person in
instituting against, such SPC any bankruptcy, reorganization, arrangement, insolvency, or
liquidation proceeding under the laws of the United States or any State thereof. Notwithstanding
anything to the contrary contained herein, any SPC may (i)&nbsp;with notice to, but without prior
consent of the Borrower and the Administrative Agent and without paying any processing fee
therefor, assign all or any portion of its right to receive payment with respect to any Loan to the
Granting Lender and (ii)&nbsp;disclose on a confidential basis any non-public information relating to
its funding of Loans to any rating agency, commercial paper dealer or provider of any surety or
Guarantee or credit or liquidity enhancement to such SPC.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.07 Treatment of Certain Information; Confidentiality</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Each of the Administrative Agent and the Lenders agrees to maintain the confidentiality of
the Information (as defined below), except that Information may be disclosed (i)&nbsp;to its Affiliates
and to its and its Affiliates&#146; respective partners, directors, officers, employees, agents,
advisors and representatives (it being understood that the Persons to whom such disclosure is made
will be informed of the confidential nature of such Information and instructed to keep such
Information confidential), (ii)&nbsp;to the extent requested by any regulatory authority
</DIV>





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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">purporting to have jurisdiction over it (including any self-regulatory authority, such as the National
Association of Insurance Commissioners), (iii)&nbsp;to the extent required by applicable laws or
regulations or by any subpoena or similar legal process, (iv)&nbsp;to any other party hereto, (v)&nbsp;in
connection with the exercise of any remedies hereunder or under any other Loan Document or any
action or proceeding relating to this Agreement or any other Loan Document or the enforcement of
rights hereunder or thereunder, (vi)&nbsp;subject to an agreement containing provisions substantially
the same as those of this Section, to (A)&nbsp;any assignee of or Participant in, or any prospective
assignee of or Participant in, any of its rights or obligations under this Agreement or (B)&nbsp;any
actual or prospective counterparty (or its advisors) to any swap or derivative transaction relating
to the Borrower and its obligations, (vii)&nbsp;with the consent of the Borrower or (viii)&nbsp;to the extent
such Information (X)&nbsp;becomes publicly available other than as a result of a breach of this Section
or (Y)&nbsp;becomes available to the Administrative Agent, any Lender or any of their respective
Affiliates on a nonconfidential basis from a source other than the Borrower.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For purposes of this <U>Section&nbsp;10.07(a)</U>, &#147;<U>Information</U>&#148; means all information
received from the Borrower or any Subsidiary relating to the Borrower or any Subsidiary or any of
their respective businesses, other than any such information that is available to the
Administrative Agent or any Lender on a nonconfidential basis prior to disclosure by the Borrower
or any Subsidiary, <I>provided </I>that, in the case of information received from the Borrower or any
Subsidiary after the date hereof, such information is clearly identified at the time of delivery as
confidential. Any Person required to maintain the confidentiality of Information as provided in
this Section shall be considered to have complied with its obligation to do so if such Person has
exercised the same degree of care to maintain the confidentiality of such Information as such
Person would accord to its own confidential information.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;The Borrower agrees that the Fee Letter and any commitment letter executed in connection
herewith are confidential, and agrees not to disclose any information contained in any such letter
except upon the terms therein set forth.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.08 Right of Setoff</B>. If an Event of Default shall have occurred and be continuing, each
Lender and each of their respective Affiliates is hereby authorized at any time and from time to
time, to the fullest extent permitted by applicable law, to set off and apply any and all deposits
(general or special, time or demand, provisional or final, in whatever currency) at any time held
and other obligations (in whatever currency) at any time owing by such Lender or any such Affiliate
to or for the credit or the account of the Borrower or any other Loan Party against any and all of
the obligations of the Borrower or such Loan Party now or hereafter existing under this Agreement
or any other Loan Document to such Lender, irrespective of whether or not such Lender shall have
made any demand under this Agreement or any other Loan Document and although such obligations of
the Borrower or such Loan Party may be contingent or unmatured or are owed to a branch or office of
such Lender different from the branch or office holding such deposit or obligated on such
indebtedness. The rights of each Lender and their respective Affiliates under this Section are in
addition to other rights and remedies (including other rights of setoff) that such Lender or their
respective Affiliates may have. Each Lender agrees to notify the Borrower and the Administrative
Agent promptly after any such setoff and application, <I>provided </I>that the failure to give such notice
shall not affect the validity of such setoff and application.
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.09 Interest Rate Limitation</B>. Notwithstanding anything to the contrary contained in any
Loan Document, the interest paid or agreed to be paid under the Loan Documents shall not exceed the
maximum rate of non-usurious interest permitted by applicable Law (the &#147;<U>Maximum Rate</U>&#148;). If
the Administrative Agent or any Lender shall receive interest in an amount that exceeds the Maximum
Rate, the excess interest shall be applied to the principal of the Loans or, if it exceeds such
unpaid principal, refunded to the Borrower. In determining whether the interest contracted for,
charged, or received by the Administrative Agent or a Lender exceeds the Maximum Rate, such Person
may, to the extent permitted by applicable Law, (a)&nbsp;characterize any payment that is not principal
as an expense, fee, or premium rather than interest, (b)&nbsp;exclude voluntary prepayments and the
effects thereof, and (c)&nbsp;amortize, prorate, allocate, and spread in equal or unequal parts the
total amount of interest throughout the contemplated term of the Obligations hereunder.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To the extent that the interest rate laws of the State of Texas are applicable to the Loans
for purposes of determining the &#147;maximum rate&#148; or the &#147;maximum amount,&#148; then those terms mean the
&#147;weekly ceiling&#148; from time to time in effect under Texas Finance Code &#167; 303.001, as limited by
Texas Finance Code &#167; 303.009, and, to the extent that this Agreement is deemed an open end account
as such term is defined in Texas Finance Code Section&nbsp;301.002(a)(14), the Lenders retain the right
to modify the interest rate in accordance with applicable law. The parties agree that Texas
Finance Code, Chapter&nbsp;346, which regulates certain revolving loan accounts and revolving triparty
accounts, shall not apply to any revolving loan accounts created under this Agreement or the Notes
or maintained in connection therewith.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.10 Counterparts; Integration; Effectiveness</B>. This Agreement may be executed in
counterparts (and by different parties hereto in different counterparts), each of which shall
constitute an original, but all of which when taken together shall constitute a single contract.
This Agreement and the other Loan Documents constitute the entire contract among the parties
relating to the subject matter hereof and supersede any and all previous agreements and
understandings, oral or written, relating to the subject matter hereof. Except as provided in
<U>Section&nbsp;4.01</U>, this Agreement shall become effective when it shall have been executed by the
Administrative Agent and when the Administrative Agent shall have received counterparts hereof
that, when taken together, bear the signatures of each of the other parties hereto. Delivery of an
executed counterpart of a signature page of this Agreement by telecopy shall be effective as
delivery of a manually executed counterpart of this Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.11 Survival of Representations and Warranties</B>. All representations and warranties made
hereunder and in any other Loan Document or other document delivered pursuant hereto or thereto or
in connection herewith or therewith shall survive the execution and delivery hereof and thereof.
Such representations and warranties have been or will be relied upon by the Administrative Agent
and each Lender, regardless of any investigation made by the Administrative Agent or any Lender or
on their behalf and notwithstanding that the Administrative Agent or any Lender may have had notice
or knowledge of any Default at the time of any Credit Extension, and shall continue in full force
and effect as long as any Loan or any other Obligation hereunder shall remain unpaid or
unsatisfied.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.12 Severability</B>. If any provision of this Agreement or the other Loan Documents is held to
be illegal, invalid or unenforceable, (a)&nbsp;the legality, validity and enforceability of the
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">remaining provisions of this Agreement and the other Loan Documents shall not be affected or
impaired thereby and (b)&nbsp;the parties shall endeavor in good faith negotiations to replace the
illegal, invalid or unenforceable provisions with valid provisions the economic effect of which
comes as close as possible to that of the illegal, invalid or unenforceable provisions. The
invalidity of a provision in a particular jurisdiction shall not invalidate or render unenforceable
such provision in any other jurisdiction.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.13 Impacted Lenders. </B>(a)&nbsp;If any Lender requests compensation under Section&nbsp;3.04, or if the
Borrower is required to pay any additional amount to any Lender or any Governmental Authority for
the account of any Lender pursuant to Section&nbsp;3.01, or if any Lender is an Impacted Lender, then
(y)&nbsp;the Borrower may, upon notice to such Lender and the Administrative Agent, and (z)&nbsp;in the case
of an Impacted Lender, the Administrative Agent may, upon notice to such Lender and the Borrower,
require such Lender to assign and delegate, without recourse (in accordance with and subject to the
restrictions contained in, and consents required by, Section&nbsp;10.06), all of its interests, rights
and obligations under this Agreement and the related Loan Documents to an assignee that shall
assume such obligations (which assignee may be another Lender, if a Lender accepts such
assignment), provided that:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) other than an assignment required by the Administrative Agent, the Borrower shall
have paid to the Administrative Agent the assignment fee specified in Section&nbsp;10.06(b);
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) such Lender shall have received payment of an amount equal to 100% of the
outstanding principal of its Loans, accrued interest thereon, accrued fees and all other
amounts payable to it hereunder and under the other Loan Documents (including any amounts
under Section&nbsp;3.05) from the assignee (to the extent of such outstanding principal and
accrued interest and fees) or the Borrower (in the case of all other amounts);
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) in the case of any such assignment resulting from a claim for compensation under
Section&nbsp;3.04 or payments required to be made pursuant to Section&nbsp;3.01, such assignment will
result in a reduction in such compensation or payments thereafter; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) such assignment does not conflict with applicable Laws.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A Lender shall not be required to make any such assignment or delegation if, prior
thereto, as a result of a waiver by such Lender or otherwise, the circumstances entitling
the Borrower or the Administrative Agent to require such assignment and delegation cease to
apply. In the event that the Administrative Agent, the Borrower, and the other Lenders each
agree that an Impacted Lender has adequately remedied all matters that caused such Lender to
be an Impacted Lender and the Impacted Lender has not been removed or replaced, then such
Lender shall purchase at par such of the Loans of the other Lenders as the Administrative
shall determine may be necessary in order for such Lender to hold such Loans in accordance
with its Commitment hereunder.
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;If a Lender is an Impacted Lender and upon the prior written consent of the Administrative
Agent, and the other Lenders (in each case which consent shall not be unreasonably withheld,
conditioned or delayed), then the Borrower shall have the right to remove such Impacted Lender as a
party to this Agreement, and the Borrower may, upon notice to such Impacted Lender and the
Administrative Agent remove such Impacted Lender by terminating such Impacted Lender&#146;s Commitment.
The Borrower shall (i)&nbsp;pay in full all principal, interest, fees and other amounts owing to such
Impacted Lender through the date of termination, and (ii)&nbsp;release such Impacted Lender from its
obligations under the Loan Documents. The Administrative Agent shall distribute an amended
<U>Schedule&nbsp;2.01</U>, which shall be deemed incorporated into this Agreement, to reflect the
removal of the Impacted Lender and termination of its respective Commitment. The removal of an
Impacted Lender and the termination of such Lender&#146;s Commitment shall not increase or decrease any
other Lender&#146;s Commitment which shall continue in effect notwithstanding such removal of the
Impacted Lender.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Notwithstanding any provision of this Agreement to the contrary, if any Lender becomes an
Impacted Lender, then the following provisions shall apply for so long as such Lender is an
Impacted Lender: the Commitment of such Impacted Lender shall not be included in determining
whether all Lenders or the Required Lenders have taken or may take any action hereunder (including
any consent to any amendment or waiver pursuant to Section&nbsp;10.01 hereof), provided that any waiver,
amendment or modification requiring the consent of all Lenders or each affected Lender which
affects such Impacted Lender shall require the consent of such Impacted Lender.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.14 Governing Law; Jurisdiction; Etc</B>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>GOVERNING LAW</U>. THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE
WITH, THE LAW OF THE STATE OF NEW YORK; <I>PROVIDED </I>THAT THE ADMINISTRATIVE AGENT AND EACH LENDER
SHALL RETAIN ALL RIGHTS ARISING UNDER APPLICABLE FEDERAL LAW.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>SUBMISSION TO JURISDICTION</U>. THE BORROWER AND EACH OTHER LOAN PARTY IRREVOCABLY
AND UNCONDITIONALLY SUBMITS, FOR ITSELF AND ITS PROPERTY, TO THE NONEXCLUSIVE JURISDICTION OF THE
COURTS OF THE STATE OF NEW YORK SITTING IN NEW YORK CITY AND OF THE UNITED STATES DISTRICT COURT OF
THE SOUTHERN DISTRICT OF NEW YORK, AND ANY APPELLATE COURT FROM ANY THEREOF, IN ANY ACTION OR
PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT, OR FOR
RECOGNITION OR ENFORCEMENT OF ANY JUDGMENT, AND EACH OF THE PARTIES HERETO IRREVOCABLY AND
UNCONDITIONALLY AGREES THAT ALL CLAIMS IN RESPECT OF ANY SUCH ACTION OR PROCEEDING MAY BE HEARD AND
DETERMINED IN SUCH TEXAS STATE COURT OR, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, IN SUCH
FEDERAL COURT. EACH OF THE PARTIES HERETO AGREES THAT A FINAL JUDGMENT IN ANY SUCH ACTION OR
PROCEEDING MAY BE ENFORCED IN OTHER JURISDICTIONS BY SUIT ON THE JUDGMENT OR IN ANY OTHER MANNER
PROVIDED BY LAW. NOTHING IN THIS AGREEMENT OR IN ANY OTHER LOAN
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">DOCUMENT SHALL AFFECT ANY RIGHT
THAT THE ADMINISTRATIVE AGENT OR ANY LENDER MAY OTHERWISE HAVE TO BRING ANY ACTION OR PROCEEDING
RELATING TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT AGAINST THE BORROWER OR ANY OTHER LOAN PARTY
OR ITS PROPERTIES IN THE COURTS OF ANY JURISDICTION.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>WAIVER OF VENUE</U>. THE BORROWER AND EACH OTHER LOAN PARTY IRREVOCABLY AND
UNCONDITIONALLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY OBJECTION THAT IT
MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY ACTION OR PROCEEDING ARISING OUT OF OR
RELATING TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT IN ANY COURT REFERRED TO IN PARAGRAPH (B)&nbsp;OF
THIS SECTION. EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT
PERMITTED BY APPLICABLE LAW, THE DEFENSE OF AN INCONVENIENT FORUM TO THE MAINTENANCE OF SUCH ACTION
OR PROCEEDING IN ANY SUCH COURT.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>SERVICE OF PROCESS</U>. EACH PARTY HERETO IRREVOCABLY CONSENTS TO SERVICE OF PROCESS
IN THE MANNER PROVIDED FOR NOTICES IN SECTION 10.02. NOTHING IN THIS AGREEMENT WILL AFFECT THE
RIGHT OF ANY PARTY HERETO TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY APPLICABLE LAW.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.15 Waiver of Jury Trial</B>. EACH PARTY HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST
EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN ANY LEGAL
PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR ANY OTHER LOAN
DOCUMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY (WHETHER BASED ON CONTRACT, TORT OR ANY
OTHER THEORY). EACH PARTY HERETO (A)&nbsp;CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY
OTHER PERSON HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PERSON WOULD NOT, IN THE
EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER AND (B)&nbsp;ACKNOWLEDGES THAT IT AND THE
OTHER PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS AGREEMENT AND THE OTHER LOAN DOCUMENTS
BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.16 USA PATRIOT Act Notice</B>. Each Lender that is subject to the Act (as hereinafter defined)
and the Administrative Agent (for itself and not on behalf of any Lender) hereby notifies the
Borrower that pursuant to the requirements of the USA Patriot Act (Title III of Pub. L. 107-56
(signed into law October&nbsp;26, 2001)) (the &#147;<U>Act</U>&#148;), it is required to obtain, verify and
record information that identifies the Borrower, which information includes the name and address of
the Borrower and other information that will allow such Lender or the Administrative Agent, as
applicable, to identify the Borrower in accordance with the Act.
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.17 ENTIRE AGREEMENT. THIS WRITTEN AGREEMENT AND THE OTHER LOAN DOCUMENTS REPRESENT THE
FINAL AGREEMENT AMONG THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL
AGREEMENTS AMONG THE PARTIES</B>.
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed
as of the date first above written.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>PATTERSON-UTI ENERGY, INC.</B>,<BR>
a Delaware corporation, as Borrower<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>

<TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/
John E. Vollmer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left">John E. Vollmer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD nowrap align="left">Senior Vice President &#151; Corporate
Development, <br>Chief Financial Officer and
Treasurer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt">Signature Page to Credit Agreement<BR>
(Patterson &#150; UTI Energy, Inc.)
</DIV>





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<DIV style="font-family: 'Times New Roman',Times,serif">




<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>WELLS FARGO BANK, N.A.</B>,<BR>
as Administrative Agent and a Lender<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Brad Ellis&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" valign="top">Name:&nbsp;&nbsp;Brad Ellis</TD>

    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" valign="top">Title:&nbsp;&nbsp;Vice President</TD>

    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt">Signature Page to Credit Agreement<BR>
(Patterson &#150; UTI Energy, Inc.)
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>



<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>SCHEDULE 2.01</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>COMMITMENTS</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>AND APPLICABLE PERCENTAGES</B>
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="36%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">

   <TD nowrap align="center"><B>Lender&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Commitment</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Applicable Percentage</B></TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR style="font-size: 1px">
    <TD colspan="9" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Wells Fargo Bank, N.A.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left">$</TD>
    <TD align="right">250,000,000</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
    <TD align="right">100</TD>
    <TD nowrap>%</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><B>Total</B></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><B>$</B></TD>
    <TD align="right"><B>250,000,000</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
    <TD align="right"><B>100.00000</B></TD>
    <TD nowrap><B>%</B></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->Schedule 2.01<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>SCHEDULE 5.13</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SUBSIDIARIES AND OTHER EQUITY INVESTMENTS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Part (a). <U> Subsidiaries</U>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="45%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>State of</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Percent Owned</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Incorporation</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Name</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>by Borrower</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>or Organization</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Ambar Lone Star Fluids Services LLC
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">100</TD>
    <TD nowrap valign="top">%</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Texas</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Patterson Petroleum LLC
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">100</TD>
    <TD nowrap valign="top">%</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Texas</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Patterson-UTI Drilling Canada Limited
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">100</TD>
    <TD nowrap valign="top">%</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Nova Scotia</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Patterson-UTI Drilling Company LLC
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">100</TD>
    <TD nowrap valign="top">%</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Texas</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Patterson-UTI Drilling International, Inc.
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">100</TD>
    <TD nowrap valign="top">%</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Delaware</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Patterson-UTI Management Services, LLC
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">100</TD>
    <TD nowrap valign="top">%</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Delaware</TD>
</TR>

<TR valign="bottom" style="background: #cceeff">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Portofino Acquisition Company
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">100</TD>
    <TD nowrap valign="top">%</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Delaware</TD>
</TR>

<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Universal Well Services, Inc.
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">100</TD>
    <TD nowrap valign="top">%</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Delaware</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Part (b) <U>Equity Investments in Other Entities</U>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Number of Interests</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Entity</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Held</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Description of Interests</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Arrow Construction, Inc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">5</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ECOMM Security Inc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">93,478</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Preferred Series A</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">EPL Acquisition Corp.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">28,820</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Essential Security Software, Inc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">100,000</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Futurelink Corp.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2,272</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Giant Studios Inc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6,667</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Preferred Convertible Series A</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">GOIP Global, Inc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">87</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Loral Space &#038; Communications LTD</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2,400</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Preferred Convertible Series C</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Miscor Group Ltd.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">29,000</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">NYPPE Holdings LLC</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">72,000</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Preferred Class A</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">RAK Partners II Qualified
Purchaser Fund, L.P.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">N/A</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">$100,000 limited partnership interest</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Scorpion Capital Partners, L.P.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">N/A</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">$250,000 limited partnership interest</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Streamcenter Inc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">10,000</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Series B Redeemable Convertible Preferred</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Walker Financial Corp.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6,774,800</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Mediavest, Inc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">167</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Network International, Inc.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">125,000</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Shares of Common Stock</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->Schedule 5.13<!-- /Folio -->
</DIV>



<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>SCHEDULE 7.01</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt;margin-bottom: 6pt"><B>Certain Existing Liens</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Filing Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Date Filed</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Debtor(s)</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Secured Party</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Type of Filing</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Description of Collateral</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">07-0025091296
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">7/25/2007
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Energy, Inc. and Patterson-UTI Drilling Company LLC (<I>as assumed name</I>)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Lubbock National Bank<BR>
Lubbock, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">WorkCentre copier leased by DivLend Equipment Leasing L.L.C.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">83270631
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">7/3/2008
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Universal Well Services, Inc.
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Cisco Systems Capital Corporation<BR>
Wayne, PA
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Various Cisco IT, server and internet components</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">82887543
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">8/25/2008
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Energy, Inc.
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Xerox Corporation<BR>
Lewisville, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Five Xerox copiers</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0005992054
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">3/3/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0006011198
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">3/3/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0006012220
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">3/3/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0010920788
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/17/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0010922720
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/17/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0010922942
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/17/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0011302137
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/21/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Schedule&nbsp;7.01
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>

<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Filing Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Date Filed</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Debtor(s)</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Secured Party</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Type of Filing</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Description of Collateral</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0011304624
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/21/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0011306222
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/21/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0012305212
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/30/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0012307365
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/30/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0012307587
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/30/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0016579805
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/11/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0016581292
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/11/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0016582435
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/11/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0016898536
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/15/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>

<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>

<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-006900055
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/15/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0016901632
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/15/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>


<!-- End Table Body -->
</TABLE>
</DIV>
<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Schedule&nbsp;7.01
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>

<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Filing Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Date Filed</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Debtor(s)</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Secured Party</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Type of Filing</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Description of Collateral</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->

<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0016904140
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/15/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0016906526
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/15/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0016907214
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/15/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0018116157
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/26/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0018116935
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/26/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0018123549
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/26/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0018130597
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/26/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0018130931
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/26/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0018131629
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/26/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0020806015
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">7/23/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0020828746
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">7/23/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>
<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Schedule&nbsp;7.01
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>

<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Filing Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Date Filed</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Debtor(s)</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Secured Party</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Type of Filing</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Description of Collateral</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0020829434
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">7/23/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0021224080
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">7/28/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0021226800
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">7/28/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0021229752
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">7/28/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">09-0025750967
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">9/14/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One Caterpillar Model 3512 engine complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">93988604
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">12/14/2009
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Universal Well Services, Inc.
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Kemper Valve &#038; Fittings Corp.
Wauconda, IL
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">All goods manufactured by Kemper Valve &#038; Fittings Corp. and delivered to or in possession of Universal Well Services, Inc., including, without limitation certain valves, unions and fittings.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10-00004508028
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2/16/2010
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Three Caterpillar Model 3512 engines complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10-00004511214
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2/16/2010
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Three Caterpillar Model 3512 engines complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10-0009968841
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">4/8/2010
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Associated Supply Company, Inc.
Lubbock, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One 2008 Model Link Belt 30 Ton Rough Terrain Crane and one 2003 Model Link Belt 50 Ton Rough Terrain Crane</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>
<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Schedule&nbsp;7.01
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>

<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Filing Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Date Filed</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Debtor(s)</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Secured Party</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Type of Filing</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Description of Collateral</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10-0014553342
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">5/20/210
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Three Caterpillar Model 3512 engines complete with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10-0017752811
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6/21/2010
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Patterson-UTI Drilling Company LLC
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Holt Cat<BR>
San Antonio, TX
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Financing Statement
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">One 10 diesel package genset model with all substitutions, replacements, additions, attachments and/or accessories thereto</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Schedule&nbsp;7.01
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>



<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>SCHEDULE 10.02</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>ADDRESSES FOR NOTICES TO COMPANY, GUARANTORS<BR>
AND ADMINISTRATIVE AGENT</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><U>BORROWER</U>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Patterson-UTI Energy, Inc.<BR>
450 Gears Road, Suite&nbsp;500<BR>
Houston, Texas 77067<BR>
Attention: Chief Financial Officer<BR>
Telephone: (281)&nbsp;765-7100<BR>
Facsimile: (281)&nbsp;765-7175
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><U>GUARANTORS</U>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Patterson Petroleum LLC<BR>
c/o Patterson-UTI Energy, Inc.<BR>
450 Gears Road, Suite&nbsp;500<BR>
Houston, Texas 77067<BR>
Attention: Chief Financial Officer<BR>
Telephone: (281)&nbsp;765-7100<BR>
Facsimile: (281)&nbsp;765-7175
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Patterson-UTI Drilling Company LLC<BR>
c/o Patterson-UTI Energy, Inc.<BR>
450 Gears Road, Suite&nbsp;500<BR>
Houston, Texas 77067<BR>
Attention: Chief Financial Officer<BR>
Telephone: (281)&nbsp;765-7100<BR>
Facsimile: (281)&nbsp;765-7175
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Patterson-UTI Drilling International, Inc.<BR>
c/o Patterson-UTI Energy, Inc.<BR>
450 Gears Road, Suite&nbsp;500<BR>
Houston, Texas 77067<BR>
Attention: Chief Financial Officer<BR>
Telephone: (281)&nbsp;765-7100<BR>
Facsimile: (281)&nbsp;765-7175
</DIV>


<div align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Patterson-UTI Management Services, LLC<BR>
c/o Patterson-UTI Energy, Inc.<BR>
450 Gears Road, Suite&nbsp;500<BR>
Houston, Texas 77067<BR>
Attention: Chief Financial Officer<BR>
Telephone: (281)&nbsp;765-7100<BR>
Facsimile: (281)&nbsp;765-7175
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Schedule&nbsp;10.02
</DIV>




<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Universal Well Services, Inc.<BR>
c/o Patterson-UTI Energy, Inc.<BR>
450 Gears Road, Suite&nbsp;500<BR>
Houston, Texas 77067<BR>
Attention: Chief Financial Officer<BR>
Telephone: (281)&nbsp;765-7100<BR>
Facsimile: (281)&nbsp;765-7175
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><U>WELLS FARGO BANK, N.A.</U>, <I>as Administrative Agent</I>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt"><U>Address for Notices</U>:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Wells Fargo Bank, N.A.<BR>
1740 Broadway, MAC C7300-034<BR>
Denver, CO 80209<BR>
Attention: Agency Syndication<BR>
Telephone: (303)&nbsp;863-5378<BR>
Facsimile: (303)&nbsp;863-5533<BR>
Email:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt"><U>With a copy to</U>:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Wells Fargo Bank, N.A.<BR>
1000 Louisiana, 9th Floor<BR>
MAC T5002-090<BR>
Houston, Texas 77002<BR>
Attention: Brad Ellis, Vice President<BR>
Telephone: (713)&nbsp;319-1985<BR>
Facsimile: (713)&nbsp;739-1087<BR>
Email:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt"><U>Administrative Agent&#146;s Payment office</U>:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Wells Fargo Bank, N.A.<BR>
ABA No.: 121000248<BR>
Acct. No.: 0296950720<BR>
Ref: Patterson-UTI Energy, Inc.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Wells Fargo Bank, N.A.<BR>
1740 Broadway, MAC C7300-034<BR>
Denver, CO 80209<BR>
Attention: Agency Syndication<BR>
Telephone: (303)&nbsp;863-5378<BR>
Facsimile: (303)&nbsp;863-5533<BR>
Email:
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Schedule&nbsp;10.02
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>EXHIBIT A</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>FORM OF LOAN NOTICE</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt">Date:
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>, <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">To: Wells Fargo Bank, N.A., as Administrative Agent
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Ladies and Gentlemen:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reference is made to that certain Credit Agreement, dated as of July&nbsp;2, 2010 (as amended,
restated, extended, supplemented or otherwise modified in writing from time to time, the
&#147;<U>Agreement</U>;&#148; the terms defined therein being used herein as therein defined), among
Patterson-UTI Energy, Inc., a Delaware corporation (the &#147;<U>Borrower</U>&#148;), the Lenders from time
to time party thereto, and Wells Fargo Bank, N.A., as Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned hereby requests (select one):
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT style="font-family: Wingdings">&#111;</FONT> a Borrowing <FONT style="font-family: Wingdings">&#111;</FONT> a conversion of Loans <FONT style="font-family: Wingdings">&#111;</FONT> a continuation of Eurodollar Rate Loans
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">1.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>On <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
(a Business Day).</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">2.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>In the amount of $ <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">3.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Comprised of <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#091;Type of Loan requested&#093;</DIV>



<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">4.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>For Eurodollar Rate Loans: with an Interest Period of <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> months.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Borrowing, if any, requested herein complies with the proviso to the first sentence of
<U>Section&nbsp;2.01</U> of the Agreement.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>PATTERSON-UTI ENERGY, INC.</B>,<BR>
a Delaware corporation, as Borrower<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left" style="border-bottom: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD align="left" style="border-bottom: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;A
</DIV>




<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>EXHIBIT B</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>FORM OF NOTE</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>, 2010
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FOR VALUE RECEIVED, the undersigned (the &#147;<U>Borrower</U>&#148;) hereby promises to pay to
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> or permitted and registered assigns (the &#147;<U>Lender</U>&#148;), in accordance
with the provisions of the Agreement (as hereinafter defined), the principal amount of each Loan
from time to time made by the Lender to the Borrower under that certain Credit Agreement dated as
of July&nbsp;2, 2010 (as amended, restated, extended, supplemented or otherwise modified in writing from
time to time, the &#147;<U>Agreement</U>;&#148; the terms defined therein being used herein as therein
defined), among the Borrower, the Lenders from time to time party thereto, and Wells Fargo Bank,
N.A., as Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Borrower promises to pay interest on the unpaid principal amount of each Loan from the
date of such Loan until such principal amount is paid in full, at such interest rates and at such
times as provided in the Agreement. All payments of principal and interest shall be made to the
Administrative Agent for the account of the Lender in Dollars in immediately available funds at the
Administrative Agent&#146;s Office. If any amount is not paid in full when due hereunder, such unpaid
amount shall bear interest, to be paid upon demand, from the due date thereof until the date of
actual payment (and before as well as after judgment) computed at the per annum rate set forth in
the Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Note is one of the Notes referred to in the Agreement, is entitled to the benefits
thereof and may be prepaid in whole or in part subject to the terms and conditions provided
therein. This Note is also entitled to the benefits of the Guaranty. Upon the occurrence and
continuation of one or more of the Events of Default specified in the Agreement, all amounts then
remaining unpaid on this Note shall become, or may be declared to be, immediately due and payable
all as provided in the Agreement. Loans made by the Lender shall be evidenced by one or more loan
accounts or records maintained by the Lender and by the Administrative Agent in the ordinary course
of business. The Lender may also attach schedules to this Note and endorse thereon the date, Type,
amount and maturity of its Loans and payments with respect thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Borrower, for itself, its successors and assigns, hereby waives diligence, presentment,
protest and demand and notice of protest, notice of intent to accelerate, notice of acceleration,
demand, dishonor and non-payment of this Note.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The terms of <U>Section&nbsp;10.09</U> of the Credit Agreement are incorporated herein as fully as
if set forth herein.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Exhibit&nbsp;B
</DIV>




<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;THIS NOTE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW
YORK; <I>PROVIDED </I>THAT EACH OF THE ADMINISTRATIVE AGENT AND THE LENDER SHALL RETAIN ALL RIGHTS ARISING
UNDER APPLICABLE FEDERAL LAW.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>THIS NOTE AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT AMONG THE PARTIES AND MAY
NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE
PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG THE PARTIES.</B>
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>PATTERSON-UTI ENERGY, INC.</B>,<BR>
a Delaware corporation, as Borrower<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left" style="border-bottom: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD align="left" style="border-bottom: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;B
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Loans and Payments with respect thereto</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="13%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount of Principal</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Outstanding</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>End of Interest</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>or Interest Paid</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Principal Balance</B></TD>
    <TD>&nbsp;</TD>
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</TR>
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    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Notation Made By</B></TD>
</TR>

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    <TD valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
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</TD>
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</TD>
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</TD>
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</TD>
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</TD>
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</TR>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
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    <TD valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
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    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
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    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
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    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
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    <TD valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
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    <TD align="left" valign="top">&nbsp;</TD>
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    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibit&nbsp;B
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>EXHIBIT C</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>FORM OF COMPLIANCE CERTIFICATE</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt">Financial Statement Date: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">To: Wells Fargo Bank, N.A., as Administrative Agent
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Ladies and Gentlemen:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reference is made to that certain Credit Agreement dated as of July&nbsp;2, 2010 (as amended,
restated, extended, supplemented or otherwise modified in writing from time to time, the
&#147;<U>Agreement</U>;&#148; the terms defined therein being used herein as therein defined), among
Patterson-UTI Energy, Inc., a Delaware corporation (the &#147;<U>Borrower</U>&#148;), the Lenders from time
to time party thereto, and Wells Fargo Bank, N.A., as Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned Responsible Officer hereby certifies as of the date hereof that he/she is the
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> of the Borrower, and that, as such, he/she is
authorized to execute and deliver this Certificate to the Administrative Agent on the behalf of the
Borrower, and that:
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><I>&#091;Use following paragraph 1 for fiscal </I><B><I>year-end </I></B><I>financial statements&#093;</I>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;&#091;Attached hereto are&#093; or &#091;The Borrower has submitted or is submitting on this date pursuant
to Section&nbsp;6.01(a) of the Agreement the following:&#093; the year-end audited financial statements
required by Section&nbsp;6.01(a) of the Agreement for the fiscal year of the Borrower ended as of the
above date and the report and opinion of an independent certified public accountant required by
such section.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><I>&#091;Use following paragraph 1 for fiscal </I><B><I>quarter-end </I></B><I>financial statements&#093;</I>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;&#091;Attached hereto are&#093; or &#091;The Borrower has submitted or is submitting on this date pursuant
to Section&nbsp;6.01(b) of the Agreement the following:&#093; the unaudited financial statements required by
Section&nbsp;6.01(b) of the Agreement for the fiscal quarter of the Borrower ended as of the above date.
Such financial statements fairly present the financial condition, results of operations,
shareholders&#146; equity and cash flows of the Borrower and its Subsidiaries in accordance with GAAP as
at such date and for such period, subject only to normal year-end audit adjustments and the absence
of footnotes.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;The undersigned has reviewed and is familiar with the terms of the Agreement and has made,
or has caused to be made under his/her supervision, a detailed review of the transactions and
condition (financial or otherwise) of the Borrower during the accounting period covered by the
attached financial statements.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Exhibit&nbsp;C
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;A review of the activities of the Borrower during such fiscal period has been made under
the supervision of the undersigned with a view to determining whether during such fiscal period the
Borrower performed and observed all its Obligations under the Loan Documents, and
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><I>&#091;select one:&#093;</I>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#091;to the best knowledge of the undersigned during such fiscal period, the Borrower performed and
observed each covenant and condition of the Loan Documents applicable to it.&#093;
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><I>&#151;or&#151;</I>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#091;the following covenants or conditions have not been performed or observed and the following is a
list of each such Default and its nature and status:&#093;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;The representations and warranties of the Borrower contained in Article&nbsp;V of the Agreement,
and any representations and warranties of any Loan Party that are contained in any document
furnished at any time under or in connection with the Loan Documents, are true and correct on and
as of the date hereof, except to the extent that such representations and warranties specifically
refer to an earlier date, in which case they are true and correct as of such earlier date, and
except that for purposes of this Compliance Certificate, the representations and warranties
contained in subsections (a)&nbsp;and (b)&nbsp;of Section&nbsp;5.05 of the Agreement shall be deemed to refer to
the most recent statements furnished pursuant to clauses (a)&nbsp;and (b), respectively, of Section&nbsp;6.01
of the Agreement, including the statements in connection with which this Compliance Certificate is
delivered, &#091;except as follows: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>&#093;.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.&nbsp;The financial covenant analyses and information set forth on Schedule&nbsp;1 attached hereto are
true and accurate on and as of the date of this Certificate.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.&nbsp;Each Domestic Subsidiary (excluding Immaterial Subsidiaries) existing as of the date of
this Certificate has executed and delivered to the Administrative Agent a Guaranty (or such other
document as the Administrative Agent has requested to cause such Domestic Subsidiary to become a
Guarantor), and such other documents as are required by Section&nbsp;6.12 of the Agreement.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Exhibit&nbsp;C
</DIV>




<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN WITNESS WHEREOF, the undersigned has executed this Certificate as of <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>.
</DIV>



<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>PATTERSON-UTI ENERGY, INC.</B>,<BR>
a Delaware corporation, as Borrower<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left" style="border-bottom: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD align="left" style="border-bottom: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">
Exhibit C
</div>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="right" style="font-size: 10pt; margin-top: 6pt">For the Quarter/Year ended <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
(&#147;Statement Date&#148;)
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SCHEDULE 1</B><BR>
to the Compliance Certificate<BR>
($ in 000&#146;s)
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B><I>I. Section&nbsp;7.10(a) &#151;Debt to Capitalization Ratio.</I></B>
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="88%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>A. Consolidated Funded Indebtedness:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>1. Obligations for borrowed money:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>2. Reimbursement obligations arising under letters of credit,
bankers&#146; acceptances, bank guaranties, surety bonds, and similar
instruments:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>3. Obligations to pay deferred purchase price of property or
services (other than trade accounts payable to a Person (i)&nbsp;in the
United States or Canada, if not past due for more than 60&nbsp;days or
(ii)&nbsp;in any other country, if not past due for more than 120&nbsp;days):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>4. Indebtedness secured by a Lien on property owned or being
purchased by the Borrower or its Subsidiaries:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>5. Capital leases:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>6. Obligations in respect of any forward sale of production for which
payment is received in advance, other than on ordinary trade terms:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>7. Obligations to purchase, redeem, or otherwise make any payment in
respect of any Equity Interest, on a date certain and not subject to
any contingencies, or at the option of the holder of such Equity
Interest:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>8. Guaranty obligations in respect of the foregoing:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>9. Consolidated Funded Indebtedness (the sum of I.A.1 through I.A.8):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" align="left"><I>$</I></TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>B. Total Capital</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>1. Consolidated Funded Indebtedness (I.A.9):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>2. Consolidated Net Worth:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>3. Total Capital (I.B.1 &#043; I.B.2):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>C. Debt to Capitalization Ratio ((I.A.9 &#247; I.B.3) x 100):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD align="right"><I>%</I></TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Schedule&nbsp;1 to Exhibit&nbsp;C
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="88%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD align="center"><DIV style="margin-left:30px; text-indent:-15px"><I>Maximum allowed:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><I>At any time before the existence of the Permanent Credit Facility:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
    <TD align="right"><I>35</I></TD>
    <TD nowrap><I>%</I></TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><I>After a Permanent Credit Facility exists, the lesser of (i)&nbsp;the Debt
to Capitalization Ratio as set forth in such Permanent Credit
Facility and (ii)&nbsp;45%:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
    <TD align="right"><I>&#091;45&#093;</I></TD>
    <TD nowrap><I>%</I></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B><I>II. Section&nbsp;7.10(b) &#151; Interest Coverage Ratio.</I></B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="88%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>A. Consolidated EBITDA for four consecutive fiscal quarters ending on
above date (&#147;Subject Period&#148;):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>1. Consolidated Net Income for Subject Period:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>2. Consolidated Interest Charges for Subject Period:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>3. Income taxes for Subject Period (including state franchise taxes
based on income or similar taxes based on income):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>4. Depreciation expenses for Subject Period:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>5. Depletion expenses for Subject Period:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>6. Amortization expenses for Subject Period:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>7. Non-cash reductions of Consolidated Net Income for Subject Period:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>8. Non-cash additions to Consolidated Net Income for Subject Period:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>9. Consolidated EBITDA (II.A.1 &#043; II.A.2 &#043; II.A.3 &#043; II.A.4 &#043; II.A.5 &#043;
II.A.6 &#043; II.A.7 &#151; II.A.8):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>B. Consolidated Interest Charges for Subject Period:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>1. Interest, premium payments, debt discount, fees, charges and
related expenses in connection with borrowed money or in connection
with the deferred purchase price of assets:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>2. Rent expenses under capital leases treated as interest in
accordance with GAAP:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>3. Consolidated Interest Charges (II.B.1 &#043; II.B.2):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left"><I>$</I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:0px; text-indent:-0px"><I>C. Interest Coverage Ratio (II.A.9 &#247; II.B.3):</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="right"><I>to 1</I></TD>
    <TD>&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="2" align="right" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center"><DIV style="margin-left:15px; text-indent:-0px"><I>Minimum required:</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="right"><I>3.00 to 1</I></TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Schedule&nbsp;1 to Exhibit&nbsp;C
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>EXHIBIT D</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>FORM OF ASSIGNMENT AND ASSUMPTION</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Assignment and Assumption (this &#147;<U>Assignment and Assumption</U>&#148;) is dated as of the
Effective Date set forth below and is entered into by and between &#091;Insert name of Assignor&#093; (the
&#147;<U>Assignor</U>&#148;) and &#091;Insert name of Assignee&#093; (the &#147;<U>Assignee</U>&#148;). Capitalized terms used
but not defined herein shall have the meanings given to them in the Credit Agreement identified
below (the &#147;<U>Credit Agreement</U>&#148;), receipt of a copy of which is hereby acknowledged by the
Assignee. The Standard Terms and Conditions set forth in Annex 1 attached hereto are hereby agreed
to and incorporated herein by reference and made a part of this Assignment and Assumption as if set
forth herein in full.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For an agreed consideration, the Assignor hereby irrevocably sells and assigns to the
Assignee, and the Assignee hereby irrevocably purchases and assumes from the Assignor, subject to
and in accordance with the Standard Terms and Conditions and the Credit Agreement, as of the
Effective Date inserted by the Administrative Agent as contemplated below (i)&nbsp;all of the Assignor&#146;s
rights and obligations as a Lender under the Credit Agreement and any other documents or
instruments delivered pursuant thereto to the extent related to the amount and percentage interest
identified below of all of such outstanding rights and obligations of the Assignor under the
respective facilities identified below and (ii)&nbsp;to the extent permitted to be assigned under
applicable law, all claims, suits, causes of action and any other right of the Assignor (in its
capacity as a Lender) against any Person, whether known or unknown, arising under or in connection
with the Credit Agreement, any other documents or instruments delivered pursuant thereto or the
loan transactions governed thereby or in any way based on or related to any of the foregoing,
including, but not limited to, contract claims, tort claims, malpractice claims, statutory claims
and all other claims at law or in equity related to the rights and obligations sold and assigned
pursuant to clause (i)&nbsp;above (the rights and obligations sold and assigned pursuant to clauses (i)
and (ii)&nbsp;above being referred to herein collectively as, the &#147;<U>Assigned Interest</U>&#148;). Such
sale and assignment is without recourse to the Assignor and, except as expressly provided in this
Assignment and Assumption, without representation or warranty by the Assignor.
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">1.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Assignor: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">2.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Assignee: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> &#091;and is an &#091;Affiliate of &#091;identify Lender&#093;&#093;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">3.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Borrower(s): Patterson-UTI Energy, Inc., a Delaware corporation</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">4.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Administrative Agent: Wells Fargo Bank, N.A., as the administrative agent under the Credit
Agreement</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">5.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Credit Agreement: Credit Agreement dated as of July&nbsp;2, 2010, among Patterson-UTI Energy,
Inc., the Lenders from time to time party thereto, and Wells Fargo Bank, N.A., as
Administrative Agent</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">6.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Assigned Interest:</TD>
</TR>

</TABLE>
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;D
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="21%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="21%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="21%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="21%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B><I>Aggregate</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B><I>Amount of</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Amount of</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Percentage</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B><I>Commitment</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Commitment</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B><I>Assigned of</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B><I>for all Lenders</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B><I>Assigned</I></B><SUP style="FONT-size: 85%; vertical-align: text-top"><I>1</I></SUP></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B><I>Commitment</I></B><SUP style="FONT-size: 85%; vertical-align: text-top"><I>2</I></SUP></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B><I>CUSIP Number</I></B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><I>$</I>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>$</I>
</TD>
    <TD>&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>%</I></TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#091;7. Trade Date: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>&#093;<SUP style="FONT-size: 85%; vertical-align: text-top">3</SUP>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Effective
Date: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>, 20&#95;&#95;&#95; &#091;TO BE INSERTED BY ADMINISTRATIVE AGENT AND WHICH
SHALL BE THE EFFECTIVE DATE OF RECORDATION OF TRANSFER IN THE REGISTER THEREFOR.&#093;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The terms set forth in this Assignment and Assumption are hereby agreed to:
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">ASSIGNOR<BR>
&#091;NAME OF ASSIGNOR&#093;<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Title:&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">ASSIGNEE<BR>
&#091;NAME OF ASSIGNEE&#093;<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Title:&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
</TABLE>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="48%">&nbsp;</TD>

</TR>
<TR>

    <TD colspan="3" align="left">&#091;Consented to and&#093;<SUP style="FONT-size: 85%; vertical-align: text-top">4</SUP> Accepted:<BR>
<BR>
WELLS FARGO BANK, N.A., as<BR>
Administrative Agent<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>

    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Title:&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>


</TABLE>


<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="FONT-size: 85%; vertical-align: text-top">1</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Amount to be adjusted by the counterparties
to take into account any payments or prepayments made between the Trade Date
and the Effective Date.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="FONT-size: 85%; vertical-align: text-top">2</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>To be completed if the Assignor and the
Assignee intend that the minimum assignment amount is to be determined as of
the Trade Date.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="FONT-size: 85%; vertical-align: text-top">3</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>To be added only if the consent of the
Administrative Agent is required by the terms of the Credit Agreement.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="FONT-size: 85%; vertical-align: text-top">4</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>To be added only if the consent of the
Administrative Agent is required by the terms of the Credit Agreement.</TD>
</TR>

</TABLE>



<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;D
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">





<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>

    <TD width="48%">&nbsp;</TD>

</TR>
<TR>

    <TD colspan="3" align="left">&#091;Consented to:&#093;<SUP style="FONT-size: 85%; vertical-align: text-top">5</SUP><BR>

<BR>
PATTERSON-UTI ENERGY, INC., as<BR>
<DIV style="margin-left:30px; text-indent:-15px">Borrower<BR>
&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
</TR><TR>

    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>

    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Title:&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
</TABLE>


<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="FONT-size: 85%; vertical-align: text-top">5</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>To be added only if the consent of the
Borrower is required by the terms of the Credit Agreement.</TD>
</TR>

</TABLE>



<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;D
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>ANNEX 1 TO ASSIGNMENT AND ASSUMPTION</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>STANDARD TERMS AND CONDITIONS FOR<BR>
ASSIGNMENT AND ASSUMPTION</B>
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;Representations and Warranties.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.1 <U>Assignor</U>. The Assignor (a)&nbsp;represents and warrants that (i)&nbsp;it is the legal and
beneficial owner of the Assigned Interest, (ii)&nbsp;the Assigned Interest is free and clear of any
lien, encumbrance or other adverse claim and (iii)&nbsp;it has full power and authority, and has taken
all action necessary, to execute and deliver this Assignment and Assumption and to consummate the
transactions contemplated hereby; and (b)&nbsp;assumes no responsibility with respect to (i)&nbsp;any
statements, warranties or representations made in or in connection with the Credit Agreement or any
other Loan Document, (ii)&nbsp;the execution, legality, validity, enforceability, genuineness,
sufficiency or value of the Loan Documents or any collateral thereunder, (iii)&nbsp;the financial
condition of the Borrower, any of its Subsidiaries or Affiliates or any other Person obligated in
respect of any Loan Document or (iv)&nbsp;the performance or observance by the Borrower, any of its
Subsidiaries or Affiliates or any other Person of any of their respective obligations under any
Loan Document.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.2 <U>Assignee</U>. The Assignee (a)&nbsp;represents and warrants that (i)&nbsp;it has full power and
authority, and has taken all action necessary, to execute and deliver this Assignment and
Assumption and to consummate the transactions contemplated hereby and to become a Lender under the
Credit Agreement, (ii)&nbsp;it meets all requirements of an Eligible Assignee under the Credit Agreement
(subject to receipt of such consents as may be required under the Credit Agreement), (iii)&nbsp;from and
after the Effective Date, it shall be bound by the provisions of the Credit Agreement as a Lender
thereunder and, to the extent of the Assigned Interest, shall have the obligations of a Lender
thereunder, (iv)&nbsp;it has received a copy of the Credit Agreement, together with copies of the most
recent financial statements delivered pursuant to Section&nbsp;6.01 thereof, as applicable, and such
other documents and information as it has deemed appropriate to make its own credit analysis and
decision to enter into this Assignment and Assumption and to purchase the Assigned Interest on the
basis of which it has made such analysis and decision independently and without reliance on the
Administrative Agent or any other Lender, and (v)&nbsp;if it is a Foreign Lender, attached hereto is any
documentation required to be delivered by it pursuant to the terms of the Credit Agreement, duly
completed and executed by the Assignee; and (b)&nbsp;agrees that (i)&nbsp;it will, independently and without
reliance on the Administrative Agent, the Assignor or any other Lender, and based on such documents
and information as it shall deem appropriate at the time, continue to make its own credit decisions
in taking or not taking action under the Loan Documents, and (ii)&nbsp;it will perform in accordance
with their terms all of the obligations which by the terms of the Loan Documents are required to be
performed by it as a Lender.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. <U>Payments</U>. From and after the Effective Date, the Administrative Agent shall make
all payments in respect of the Assigned Interest (including payments of principal, interest, fees
and other amounts) to the Assignor for amounts which have accrued to but excluding the
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Annex 1 to Assignment and Assumption
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Effective Date and to the Assignee for amounts which have accrued from and after the Effective
Date.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. <U>General Provisions</U>. This Assignment and Assumption shall be binding upon, and
inure to the benefit of, the parties hereto and their respective successors and assigns. This
Assignment and Assumption may be executed in any number of counterparts, which together shall
constitute one instrument. Delivery of an executed counterpart of a signature page of this
Assignment and Assumption by telecopy shall be effective as delivery of a manually executed
counterpart of this Assignment and Assumption. This Assignment and Assumption shall be governed
by, and construed in accordance with, the law of the State of New York.
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Annex 1 to Assignment and Assumption
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>



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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>EXHIBIT E</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>FORM OF CONTINUING GUARANTY</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FOR VALUE RECEIVED, the sufficiency of which is hereby acknowledged, and in consideration of
any credit and/or financial accommodation heretofore or hereafter from time to time made or granted
to Patterson-UTI Energy, Inc. (&#147;<U>Borrower</U>&#148;) or any other Loan Party under that certain
Credit Agreement dated as of July&nbsp;2, 2010 (the &#147;<U>Credit Agreement</U>&#148;), by and between
Borrower, the financial institutions party thereto (collectively, the &#147;<U>Lenders</U>&#148;), and Wells
Fargo Bank, N.A., as Administrative Agent (in such capacity, the &#147;<U>Administrative Agent</U>&#148;),
each of the Persons now or hereafter signatories hereto (each a &#147;<U>Guarantor</U>,&#148; and,
collectively, the &#147;<U>Guarantors</U>&#148;) hereby furnishes in favor of Administrative Agent and the
Lenders (each a &#147;<U>Guaranteed Party</U>&#148; and collectively, the &#147;<U>Guaranteed Parties</U>&#148;) its
joint and several guaranty of the Guaranteed Obligations (as hereinafter defined) as follows:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>1.&nbsp;Reference to Credit Agreement</B>. Each Guarantor covenants and agrees that certain
representations, warranties and covenants set forth in the Credit Agreement are applicable to
Guarantors, and it (i)&nbsp;reaffirms that each such representation and warranty is true and correct in
every material respect with respect to such Guarantor to the extent that such representation and
warranty refers to such Guarantor, and (ii)&nbsp;agrees to comply with all of the covenants related to
it, contained in the Credit Agreement. Each Guarantor agrees that if the Credit Agreement shall
cease to remain in effect for any reason whatsoever during any period and any part of the
Guaranteed Obligations (as hereinafter defined) remain unpaid, then the terms, covenants, and
agreements thereof which are applicable to it shall nevertheless continue in full force and effect
as obligations of such Guarantor under this Guaranty. Each Guarantor shall take, or refrain from
taking, as the case may be, each action that is necessary to be taken or not taken, as the case may
be, so that no Event of Default is caused by the failure to take or refrain from taking such
action, as the case may be. All capitalized terms used but not defined herein shall have the
meaning assigned to such term in the Credit Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>2.&nbsp;Guaranty</B>. (a)&nbsp;Each Guarantor hereby, jointly and severally, absolutely and unconditionally
guarantees, as a guarantee of payment and not as a guarantee of collection, the prompt payment in
full in Dollars when due, whether at stated maturity, upon acceleration or otherwise, and at all
times thereafter, of
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) any and all existing and future indebtedness and liabilities of every kind, nature
and character, direct or indirect, absolute or contingent, liquidated or unliquidated,
voluntary or involuntary, of any Loan Party arising under any Loan Document or otherwise
with respect to any Loan, and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) all existing and future indebtedness and liabilities of the Borrower or any
Subsidiary of the Borrower pursuant to any Lender Interest Rate Swap Contract arising while
such Lender or its Affiliate is a Lender party to the Credit Agreement,
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">in each case including interest and fees that accrue after the commencement by or against any Loan
Party or any Affiliate thereof of any proceeding under any Debtor Relief Laws naming such Person as
the debtor in such proceeding, regardless of whether such interest and fees are
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;E
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">allowed claims in such proceeding (collectively, the &#147;<U>Guaranteed Obligations</U>&#148;). As used
herein, &#147;<U>Lender Interest Rate Swap Contract</U>&#148; means a Swap Contract between the Borrower or
any Subsidiary of the Borrower and any Lender or Affiliate of a Lender entered into for purposes of
mitigating interest rate risk.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;The books and records of the Guaranteed Parties showing the amount of the Guaranteed
Obligations shall be admissible in evidence in any action or proceeding, and shall be binding upon
each Guarantor and conclusive for the purpose of establishing the amount of the Guaranteed
Obligations, absent manifest error. This Guaranty shall not be affected by the genuineness,
validity, regularity or enforceability of the Guaranteed Obligations or any instrument or agreement
evidencing any Guaranteed Obligations, or by the existence, validity, enforceability, perfection,
or extent of any collateral therefor, or by any fact or circumstance relating to the Guaranteed
Obligations which might otherwise constitute a defense to the obligations of any Guarantor under
this Guaranty.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;The obligations of each Guarantor hereunder shall be limited to an aggregate amount equal
to the largest amount that would not render its obligations hereunder subject to avoidance under
Section&nbsp;548 of the Bankruptcy Code (Title 11, United States Code) or any comparable provisions of
any applicable state law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>3.&nbsp;No Setoff or Deductions; Taxes</B>. Each Guarantor represents and warrants that it is an
entity formed or incorporated, as the case may be, under the laws of one or more states of the
United States of America. All payments by the Guarantors hereunder shall be paid in full, without
setoff or counterclaim or any deduction or withholding whatsoever for any and all Indemnified Taxes
or Other Taxes. If any Guarantor must make a payment under this Guaranty, such Guarantor agrees
that it will make the payment from one of its U.S. resident offices to Administrative Agent, on
behalf of the Guaranteed Parties. If notwithstanding the foregoing, any Guarantor makes a payment
to a Guaranteed Party under this Guaranty to which Guarantor shall be required by applicable law to
deduct any Indemnified Taxes or Other Taxes from such payments, such Guarantor shall pay all such
taxes to the relevant authority in accordance with applicable law such that the applicable
Guaranteed Party receives the sum it would have received had no such deduction or withholding been
made and shall also pay to such Guaranteed Party, within 30&nbsp;days after demand therefor, all
additional amounts which such Guaranteed Party specifies as necessary to preserve the after-tax
yield would have received if such taxes had not been imposed. Such Guarantor shall promptly
provide such Guaranteed Party with an original receipt or certified copy issued by the relevant
authority evidencing the payment of any such amount required to be deducted or withheld.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>4.&nbsp;No Termination</B>. This Guaranty is a continuing and irrevocable guaranty of all Guaranteed
Obligations now or hereafter existing and shall remain in full force and effect until (i)&nbsp;all
Guaranteed Obligations and any other amounts payable under this Guaranty are indefeasibly paid and
performed in full, the Commitments of the Lenders under the Credit Agreement are terminated, or
(ii)&nbsp;with respect to a Guarantor, such Guarantor is released from its obligations under this
Guaranty by an instrument in writing signed by the Administrative Agent pursuant to the Credit
Agreement (such Guarantor referenced in this clause (ii)&nbsp;is herein referred to as a &#147;<U>Released
Guarantor</U>&#148;.
</DIV>
<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;E
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>5.&nbsp;Waiver of Notices</B>. Each Guarantor waives notice of the acceptance of this Guaranty and of
the extension or continuation of the Guaranteed Obligations or any part thereof. Each Guarantor
further waives presentment, protest, notice, dishonor or default, demand for payment and any other
notices to which such Guarantor might otherwise be entitled.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>6.&nbsp;Subrogation</B>. No Guarantor shall exercise any right of subrogation, contribution or similar
rights with respect to any payments it makes under this Guaranty until all of the Guaranteed
Obligations and any amounts payable under this Guaranty are indefeasibly paid and performed in full
and the commitments of the Lenders under the Credit Agreement are terminated. If any amounts are
paid to any Guarantor in violation of the foregoing limitation, then such amounts shall be held in
trust for the benefit of the Guaranteed Parties and shall forthwith be paid to Administrative
Agent, on behalf of the Guaranteed Parties, to reduce the amount of the Guaranteed Obligations,
whether matured or unmatured.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>7.&nbsp;Waiver of Suretyship Defenses</B>. Each Guarantor agrees that the Guaranteed Parties may, at
any time and from time to time, and without notice to the Guarantors, make any agreement with
Borrower or with any other person or entity liable on any of the Guaranteed Obligations or
providing collateral as security for the Guaranteed Obligations, for the extension, renewal,
payment, compromise, discharge or release of the Guaranteed Obligations or any collateral (in whole
or in part), or for any modification or amendment of the terms thereof or of any instrument or
agreement evidencing the Guaranteed Obligations or the provision of collateral, all without in any
way impairing, releasing, discharging or otherwise affecting the obligations of the Guarantors
under this Guaranty. Each Guarantor waives any defense arising by reason of any disability or
other defense of Borrower or any other guarantor (including any other Guarantor hereunder), or the
cessation from any cause whatsoever of the liability of Borrower or any other Loan Party, or any
claim that such Guarantor&#146;s obligations exceed or are more burdensome than those of Borrower or any
other Loan Party and waives the benefit of any statute of limitations affecting the liability of
such Guarantor hereunder. Each Guarantor waives any right to enforce any remedy which any
Guaranteed Party now has or may hereafter have against Borrower or any other Loan Party and waives
any benefit of and any right to participate in any security now or hereafter held by the Guaranteed
Parties. Further, each Guarantor consents to the taking of, or failure to take, any action which
might in any manner or to any extent vary the risks of such Guarantor under this Guaranty or which,
but for this provision, might operate as a discharge of such Guarantor.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>8.&nbsp;Exhaustion of Other Remedies Not Required</B>. The obligations of each Guarantor hereunder are
those of primary obligor, and not merely as surety, and are independent of the Guaranteed
Obligations. Each Guarantor waives diligence by the Guaranteed Parties and action on delinquency
in respect of the Guaranteed Obligations or any part thereof, including, without limitation any
provisions of law requiring the Guaranteed Parties to exhaust any right or remedy or to take any
action against Borrower, any other guarantor (including any other Guarantor hereunder), or any
other person, entity or property before enforcing this Guaranty against such Guarantor, including,
but not limited to, the benefits of Chapter&nbsp;34 of the Texas Business and Commerce Code, &#167; 17.001 of
the Texas Civil Practice and Remedies Code, and Rule&nbsp;31 of the Texas Rules of Civil Procedure, or
any similar statute.
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;E
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>9.&nbsp;Reinstatement</B>. Notwithstanding anything in this Guaranty to the contrary, this Guaranty
shall continue to be effective or be reinstated, as the case may be, if at any time any payment of
any portion of the Guaranteed Obligations is revoked, terminated, rescinded or reduced or must
otherwise be restored or returned upon the insolvency, bankruptcy or reorganization of Borrower or
any other person or entity or otherwise, as if such payment had not been made and whether or not
the Guaranteed Parties have in possession of or have released this Guaranty and regardless of any
prior revocation, rescission, termination or reduction, in each case, however, other than a
Released Guarantor.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>10.&nbsp;Subordination</B>. Each Guarantor hereby subordinates, to the extent herein provided and
except as otherwise set forth below in this Section&nbsp;10, all obligations and indebtedness of any
Loan Party owing to such Guarantor, whether now existing or hereafter arising (the
&#147;<U>Subordinated Obligations</U>&#148;), to the indefeasible payment in full of all Guaranteed
Obligations. As long as no Event of Default has occurred and is continuing, this Guaranty shall
not limit any Guarantor&#146;s right to receive payment from any Loan Party on account of any
Subordinated Obligations. Upon the occurrence and during the continuation of an Event of Default,
the Guarantor agrees not to accept any payment for any Subordinated Obligations. In the event of
(i)&nbsp;any insolvency, bankruptcy, receivership, liquidation, reorganization, readjustment,
composition or other similar proceeding relating to a Loan Party, its creditors as such or its
property, (ii)&nbsp;any proceeding for the liquidation, dissolution or other winding-up of a Loan Party,
voluntary or involuntary, whether or not involving insolvency or bankruptcy proceedings, (iii)&nbsp;any
assignment by a Loan Party for the benefit of creditors, or (iv)&nbsp;any other marshalling of the
assets of a Loan Party, the Guaranteed Obligations (including any interest thereon accruing at the
legal rate after the commencement of any such proceedings and any additional interest that would
have accrued thereon but for the commencement of such proceedings) shall first be paid in full
before any payment or distribution, whether in cash, securities or other property, shall be made by
or on behalf of or from the estate of such Loan Party to any holder of Subordinated Obligations.
If a Guarantor receives any payment of any Subordinated Obligations in violation of the terms of
this Section, such Guarantor shall hold that payment in trust for Administrative Agent and Lenders
and promptly turn it over to Administrative Agent, in the form received (with any necessary
endorsements), to be applied to the Guaranteed Obligations.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>11.&nbsp;Information</B>. Each Guarantor agrees to furnish promptly to Administrative Agent such
information of the type described in Section&nbsp;6.02(h) of the Credit Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>12.&nbsp;Stay of Acceleration</B>. In the event that acceleration of the time for payment of any of
the Guaranteed Obligations is stayed, upon the insolvency, bankruptcy or reorganization of Borrower
or any other person or entity, or otherwise, all such amounts shall nonetheless be payable by the
Guarantors, jointly and severally, immediately upon demand by the Guaranteed Parties.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>13.&nbsp;Expenses</B>. Each Guarantor shall pay, jointly and severally, on demand all out-of-pocket
expenses (including reasonable attorneys&#146; fees and expenses and the allocated cost and
disbursements of internal legal counsel) in any way relating to the enforcement or protection of
any Guaranteed Party&#146;s rights under this Guaranty, including any incurred in the preservation,
protection or enforcement of any rights of any Guaranteed Party in any case commenced by or
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;E
</DIV>


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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">against any Guarantor under the Bankruptcy Code (Title 11, United States Code) or any similar or
successor statute. The obligations of each Guarantor under the preceding sentence shall survive
termination of this Guaranty.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>14.&nbsp;Application of Payments</B>. Any payment received by any Guaranteed Party from any Guarantor
(or from any Lender pursuant to Paragraph&nbsp;19 below), shall be remitted to and applied by
Administrative Agent in accordance with Section&nbsp;8.03 of the Credit Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>15.&nbsp;Amendments</B>. No amendment or waiver of any provision of this Guaranty, nor consent to any
departure by any Guarantor herefrom, shall in any event be effective unless the same shall be in
writing and signed, in the case of amendments, by the Guarantor(s) affected thereby and by
Administrative Agent, and, in the case of consents or waivers, by Administrative Agent, and then
such amendment, waiver or consent shall be effective only in the specific instance and for the
specific purpose for which made or given. Notwithstanding the foregoing, no Guarantor shall be
released from this Guaranty except by a writing signed by the Administrative Agent as permitted by
Section&nbsp;9.10 or Section&nbsp;10.01 of the Credit Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>16.&nbsp;No Waiver; Enforceability</B>. No failure by the Guaranteed Parties to exercise, and no delay
in exercising, any right, remedy or power hereunder shall operate as a waiver thereof; nor shall
any single or partial exercise of any right, remedy or power hereunder preclude any other or
further exercise thereof or the exercise of any other right. The remedies herein provided are
cumulative and not exclusive of any remedies provided by law or in equity. The unenforceability or
invalidity of any provision of this Guaranty shall not affect the enforceability or validity of any
other provision herein.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>17.&nbsp;Assignment; Governing Laws; Jurisdiction</B>. This Guaranty shall (a)&nbsp;bind each Guarantor and
its successors and assigns, provided that such Guarantor may not assign its rights or obligations
under this Guaranty without the prior written consent of Administrative Agent and the Lenders (and
any attempted assignment without such consent shall be void), (b)&nbsp;inure to the benefit of the
Guaranteed Parties and their successors and permitted assigns and each Lender may, without notice
to the Guarantor and without affecting the Guarantor&#146;s obligations hereunder, assign or sell
participations in the Guaranteed Obligations and this Guaranty, in whole or in part, and (c)&nbsp;be
governed by the internal laws of the State of New York; provided that the Administrative Agent and
each Lender shall retain all rights arising under applicable federal law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each Guarantor hereby irrevocably (i)&nbsp;submits to the non exclusive jurisdiction of any State
court sitting in New York City, any United States District Court of the Southern District of New
York, and any appellate court from any thereof, in any action or proceeding arising out of or
relating to this Guaranty, and (ii)&nbsp;waives to the fullest extent permitted by applicable law any
defense asserting an inconvenient forum in connection therewith. Service of process by the
Guaranteed Parties in connection with such action or proceeding shall be binding on each Guarantor
if sent to such Guarantor by registered or certified mail at its address specified below. Subject
to such Lender&#146;s compliance with Section&nbsp;10.07 of the Credit Agreement, each Guarantor agrees that
each Lender may disclose to any prospective purchaser and any purchaser of all or part of the
Guaranteed Obligations any and all information in such Lender&#146;s possession concerning such
Guarantor, this Guaranty and any security for this Guaranty.
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;E
</DIV>


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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>18.&nbsp;Condition of Borrower</B>. Each Guarantor acknowledges and agrees that it has the sole
responsibility for, and has adequate means of, obtaining from Borrower such information concerning
the financial condition, business and operations of Borrower as such Guarantor requires, and that
the Guaranteed Parties have no duty, and such Guarantor is not relying on the Guaranteed Parties at
any time, to disclose to such Guarantor any information relating to the business, operations or
financial condition of Borrower.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>19.&nbsp;Setoff</B>. Each Guarantor agrees to the provisions of Section&nbsp;10.08 of the Credit Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>20.&nbsp;Further Assurances</B>. Each Guarantor agrees that at any time and from time to time, at the
expense of such Guarantor, to promptly execute and deliver all further instruments and documents,
and take all further action, that may be necessary or desirable, or that Administrative Agent may
reasonably request, to enable Administrative Agent to protect and to exercise and enforce the
rights and remedies of the Guaranteed Parties hereunder.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>21.&nbsp;Addition of Guarantors</B>. The initial Guarantors hereunder shall be each of the
Subsidiaries of Borrower that are signatories hereto and that are listed on Schedule&nbsp;1 attached
hereto. From time to time subsequent to the time hereof, additional Subsidiaries of Borrower may
become parties hereto as additional Guarantors (each an &#147;<U>Additional Guarantor</U>&#148;) by
executing a counterpart of this Guaranty Agreement in the form of Exhibit&nbsp;A attached hereto and
delivery to the Administrative Agent of all items required pursuant to <U>Section&nbsp;6.12(b)</U> of
the Credit Agreement. Upon delivery of any such counterpart to Administrative Agent, notice of
which is hereby waived by Guarantors, each such Additional Guarantor shall be a Guarantor and shall
be a party hereto as if such Additional Guarantor were an original signatory hereof. Each
Guarantor expressly agrees that its obligations arising hereunder shall not be affected or
diminished by the addition or release of any other Guarantor hereunder, or by any election by
Administrative Agent not to cause any Subsidiary of Borrower to become an Additional Guarantor
hereunder.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>22.&nbsp;Notices</B>. All notices, requests and other communications provided for hereunder shall be
in writing and given to Administrative Agent or any Guarantor as provided in Section&nbsp;10.02 of the
Credit Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>23.&nbsp;Joint and Several Obligations</B>. Each Guarantor acknowledges that (i)&nbsp;this Guaranty is a
master Guaranty pursuant to which other Subsidiaries of Borrower now or hereafter may become
parties, and (ii)&nbsp;the guaranty obligations of each of the Guarantors hereunder are joint and
several.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>24.&nbsp;WAIVER OF JURY TRIAL; FINAL AGREEMENT</B>. TO THE EXTENT ALLOWED BY APPLICABLE LAW, EACH
GUARANTOR AND EACH GUARANTEED PARTY WAIVES TRIAL BY JURY WITH RESPECT TO ANY ACTION, CLAIM, SUIT OR
PROCEEDING ON OR ARISING OUT OF THIS GUARANTY. THIS GUARANTY (INCLUDING ANY SUPPLEMENTAL GUARANTY
OR OTHER AGREEMENT BY WHICH A PERSON BECOMES A GUARANTOR), AND THE CREDIT AGREEMENT REPRESENT THE
FINAL AGREEMENT BETWEEN THE PARTIES WITH RESPECT TO THE SUBJECT MATTER HEREOF AND MAY NOT BE
CONTRADICTED BY EVIDENCE
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;E
</DIV>


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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS BETWEEN THE PARTIES.
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B><I>Remainder of Page Intentionally Blank.<BR>
Signature(s) Page to Follow.</I></B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;E
</DIV>


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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN WITNESS WHEREOF, the Guarantors have caused this Guaranty to be duly executed and delivered
by their respective officers thereunto duly authorized as of July &#95;&#95;&#95;, 2010.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 50%"><B>&#091;NAMES OF THE GUARANTORS&#093;</B>

</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;E
</DIV>





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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U><B>SCHEDULE 1</B></U>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>INITIAL GUARANTORS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Patterson Petroleum LLC<BR>
Patterson-UTI Drilling Company LLC<BR>
Patterson-UTI Drilling International, Inc.<BR>
Patterson-UTI Management Services, LLC<BR>
Universal Well Services, Inc.

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Schedule&nbsp;1 to Exhibit&nbsp;E
</DIV>




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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U><B>EXHIBIT A</B></U>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>COUNTERPART TO CONTINUING GUARANTY</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In witness whereof, the undersigned Additional Guarantor has caused this Counterpart to
Continuing Guaranty to be duly executed and delivered by its duly authorized officer as of
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> &#95;&#95;&#95;, 20&#95;&#95;&#95;.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left" style="border-top: 1px solid #000000">&#091;NAME OF ADDITIONAL GUARANTOR&#093;<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit A to Exhibit E
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>EXHIBIT F</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>FORM OF OPINION OF COUNSEL</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">July &#95;&#95;&#95;, 2010
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Each of the Lenders under the
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 2%; margin-top: 0pt">Credit Agreement, including those<BR>
Lenders listed in <U>Schedule&nbsp;A</U> hereto
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Wells Fargo Bank, N.A.,
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 2%; margin-top: 0pt">as Administrative Agent for the Lenders and Lender
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 0pt">&#091;Address to come&#093;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Ladies and Gentlemen:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We have acted as counsel to Patterson-UTI Energy, Inc., a Delaware corporation (the
&#147;<B><I>Company&#148;</I></B>), in connection with its execution and delivery of (i)&nbsp;the Credit Agreement dated as of
July&nbsp;2, 2010 (the &#147;<B><I>Credit Agreement</I></B>&#148;), among the Company, the lenders from time to time parties
thereto (the &#147;<B><I>Lenders</I></B>&#148;), and Wells Fargo Bank, N.A., as administrative agent (in such capacity, the
&#147;<B><I>Administrative Agent</I></B>&#148;), land lender, and (ii)&nbsp;the promissory note dated July &#95;&#95;&#95;, 2010 (the
&#147;<B><I>Note</I></B>&#148;), executed and delivered by the Company pursuant to the Credit Agreement. In addition, we
have acted as counsel to the Guarantors each in connection with its execution and delivery of the
Continuing Guaranty dated as of July &#95;&#95;&#95;, 2010 (the &#147;<B><I>Guaranty</I></B>&#148;). Capitalized terms used and not
defined herein or in any Schedule hereto have the meanings assigned to such terms in the Credit
Agreement. The opinions expressed herein are being furnished to you pursuant to Section&nbsp;4.01(a)(v)
of the Credit Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In rendering the opinions expressed herein, we have (i)&nbsp;examined the Credit Agreement, the
Note, and the Guaranty (collectively, the &#147;<B><I>Financing Documents</I></B>&#148;), corporate records of the Company
and each of the Guarantors (collectively, the &#147;<B><I>Loan Parties</I></B>&#148;), certificates of representatives of
the Loan Parties, certificates and other communications of public officials and such other
instruments, agreements and documents as are in our judgment necessary to enable us to render the
opinions expressed herein, and (ii)&nbsp;as to questions of fact material to the opinions expressed
herein, and as to factual matters arising in connection with our examination of the aforesaid
materials, relied, to the extent we deemed appropriate, upon the factual representations and
warranties contained in the Financing Documents, upon such certificates, communications,
instruments, agreements, and documents and certain facts stated elsewhere herein.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In making such examination and in such reliance, we have assumed the authenticity and
completeness of all records, certificates, instruments, agreements, and other documents submitted
to us as originals, the conformity to authentic originals, records, certificates, instruments,
agreements, and other documents of all copies submitted to us as copies, and the authenticity of
the originals of such latter records, certificates, instruments, agreements, and other documents.
In addition, we have assumed the legal capacity of each natural person identified in, or indicated
as
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Wells Fargo Bank, N.A., as Administrative Agent<BR>
June &#95;&#95;&#95;, 2010

</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">having executed, any of those records, certificates, instruments, agreements, and other
documents and the genuineness of all signatures on all such records, certificates, instruments,
agreements, and other documents.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In rendering the opinions expressed herein, we also have assumed the following:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;each Person a party to any Financing Document other than a Loan Party (each such Person
other than the Loan Parties, an &#147;<B><I>Other Party</I></B>&#148;) (a)&nbsp;has been duly organized or formed (as
applicable), (b)&nbsp;is validly existing and in good standing under the laws of its jurisdiction of
incorporation or formation (as applicable), and (c)&nbsp;has the corporate or equivalent power and
authority to execute and deliver, and to perform its obligations under, each of the Financing
Documents in which such Person is identified as a party;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;the execution and delivery of each of the Financing Documents by each Other Party, and
the performance of its obligations thereunder, have been duly authorized by all necessary corporate
or equivalent action on the part of each such Other Party;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;each Other Party has duly executed and delivered each of the Financing Documents in
which such Other Party is identified as a party;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv)&nbsp;each Person a party to any Financing Document other than a Loan Party has (a)&nbsp;satisfied
each legal requirement that is applicable to such Person to the extent necessary to make such
Financing Document enforceable against such Person, and (b)&nbsp;complied with any other legal
requirements pertaining to the status of such Person as such status relates to the rights of such
Person to perform or enforce (as applicable) such Financing Document against each other Person that
is identified as a party to such Financing Document;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v)&nbsp;no order, consent, approval, license, authorization, waiver, or validation of, or filing,
recording, or registration with, or notice to, or exemption by any court, governmental body, or
authority, or any subdivision thereof, is required to authorize or is required in connection with
the execution and delivery of any Financing Document by any Person identified in any such Financing
Document as a party thereto or in connection with the performance of any such Person&#146;s obligations
thereunder or the consummation of the transactions contemplated thereby, other than those that have
been obtained or made and are in full force and effect (<I>provided</I>, that we make no such assumption
with respect to consents, approvals, and the like applicable to the Loan Parties to the extent that
we express our opinion rendered in paragraph 6 below);
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vi)&nbsp;each of the Financing Documents is the valid and binding obligation of each Person
identified as a party thereto (other than a Loan Party), enforceable against each such Person in
accordance with its terms; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vii)&nbsp;Administrative Agent has been and is the duly appointed agent of each of the Lenders
(the Administrative Agent and Lenders collectively, the &#147;<B><I>Financing Parties</I></B>&#148;).
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Wells Fargo Bank, N.A., as Administrative Agent<BR>
June &#95;&#95;&#95;, 2010

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Based upon the foregoing and in the reliance thereon, and subject to and qualified by the
assumptions, qualifications, limitations, and exceptions set forth herein, and having due regard
for such legal considerations as we deem relevant, we are of the opinion that:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;a. The Company is validly existing as a corporation in good standing under the General
Corporation Law of the State of Delaware (the &#147;<B><I>DGCL</I></B>&#148;).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b.&nbsp;Each of the Delaware Corporations is validly existing as a corporation in good standing
under the DGCL.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c.&nbsp;Each of the Delaware LLCs is validly existing as a limited liability company in good
standing under the Delaware Limited Liability Company Act (the &#147;<B><I>Delaware LLC Act</I></B>&#148;).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d.&nbsp;Each of the Texas LLCs is validly existing as a limited liability company under the Texas
Limited Liability Company Law of the Texas Business Organizations Code.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;The execution and delivery by each Loan Party of each Financing Document to which it is a
party, and the performance by such Loan Party of its obligations thereunder, are within its
corporate or limited liability company (as the case may be) power and authority and have been duly
authorized by all necessary corporate or limited liability company (as the case may be) action.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;Each Financing Document to which a Loan Party is a party has been duly executed and
delivered by it.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;Under the internal laws of the State of New York, each of the Financing Documents to which
a Loan Party is a party is a valid and binding obligation of such Loan Party, enforceable against
such Loan Party in accordance with its terms.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.&nbsp;Neither the execution and delivery by a Loan Party of any Financing Document to which it is
a party, nor the performance of its obligations thereunder, will (i)&nbsp;result in a violation by it of
(a)&nbsp;any statutory law or regulation applicable to such Person, or (b)&nbsp;the certificate of
incorporation and bylaws or certificate of formation or limited liability company agreement (as the
case may be) of such Person, or (ii)&nbsp;result in a breach of, or constitute a default under, the
terms of any agreement or instrument binding on such Person which is filed as an exhibit to the
Company&#146;s Annual Report on Form 10-K for the year ended December&nbsp;31, 2009.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.&nbsp;No consent, approval, authorization, or waiver of, or notice to or filing with, or other
action by, any governmental authority is required to be obtained or made by a Loan Party by any
material statutory law or regulation applicable to such Loan Party as a condition to the execution
and delivery by such Loan Party of any Financing Document to which it is a party, or the
performance by such Loan Party of its obligations under any Financing Document to which it is a
party.
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
 <DIV align="left" style="font-size: 10pt; margin-top: 6pt">Wells Fargo Bank, N.A., as Administrative Agent<BR>
June &#95;&#95;&#95;, 2010

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.&nbsp;None of the Loan Parties is an &#147;investment company,&#148; as such term is defined in the
Investment Company Act of 1940, as amended.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.&nbsp;Assuming the Company complies with the provisions of the Credit Agreement relating to the
use of proceeds thereunder (whether or not therein stated as a covenant), the use by it of proceeds
from the Loans will not result in a violation of Regulation&nbsp;U of the Federal Reserve Board.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The foregoing opinions expressed herein are further subject to, and qualified by, the
following assumptions, exceptions, qualifications, and limitations:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A.&nbsp;The opinions expressed herein are limited exclusively to the laws of the States of New York
and Texas, the DGCL, the Delaware LLC Act, and the federal statutory laws and regulations of the
United States of America. In respect to such laws, in addition to other limitations set forth
herein, such reference is limited to laws that are normally applicable to the transactions provided
for in the Financing Documents, and, in any event and without limitation, does not include
statutes, laws, rules, or regulations relating to (i)&nbsp;the operation of any asset or property, (ii)
utility regulation, (iii)&nbsp;antitrust, (iv)&nbsp;taxation, or (v)&nbsp;securities law, or the construction or
interpretations of any of the foregoing, or authorizations, permits, consents, and the like with
respect thereto. Reference herein to the &#147;internal laws&#148; of a jurisdiction is to the laws of that
jurisdiction, other than (x)&nbsp;that jurisdiction&#146;s choice-of-law statutes and rules, (y)&nbsp;the statutes
and ordinances, the administrative decisions, and the rules and regulations of counties, towns,
municipalities, and political subdivisions (whether created or enabled through legislative action
at the federal, state, regional, or local level), and (z)&nbsp;judicial decisions to the extent they
deal with any of the foregoing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.&nbsp;The opinions expressed in paragraph 4 hereof (such opinions expressed in such paragraph,
the &#147;<B><I>Remedies Opinions</I></B>&#148;) are further subject to the following:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;The enforceability of the Financing Documents, and to the extent applicable, the Liens
created thereby, may be limited or affected by (a)&nbsp;bankruptcy, insolvency, reorganization,
moratorium, liquidation, rearrangement, conservatorship, receivership, fraudulent conveyance, or
transfer or similar laws (including court decisions) relating to or affecting the rights and
remedies of creditors generally or providing for the relief of debtors, (b)&nbsp;general principles of
equity, including, without limitation, requirements of good faith, fairness, and reasonableness,
and the possible unavailability of specific performance or injunctive relief (regardless of whether
enforceability is considered in a proceeding in equity or at law), (c)&nbsp;the refusal of a particular
court to grant (1)&nbsp;equitable remedies, including, without limitation, specific performance and
injunctive relief, or (2)&nbsp;a particular remedy sought by a Financing Party under any Financing
Document as opposed to another remedy provided for therein or another remedy available at law or in
equity, and (d)&nbsp;judicial discretion.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;In rendering the Remedies Opinions expressed in paragraph 4, we express no opinion as to
the validity or enforceability of any provision of any Financing Document that:
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Wells Fargo Bank, N.A., as Administrative Agent<BR>
June &#95;&#95;&#95;, 2010

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) purports to (i)&nbsp;establish evidentiary standards or characterizations, treatments
or effects of payments or rights, in each case made or existing under, or in connection
with, any Financing Document, (ii)&nbsp;waive or otherwise affect any right, warranty, or
defense that cannot be waived or otherwise affected as a matter of law, (iii)&nbsp;negate the
effect of any course of dealing or any exercise, or failure or delay to exercise, any
right, power, privilege, or remedy, (iv)&nbsp;relate to indemnities, exculpation, or
contribution to the extent prohibited by public policy or require indemnification or
contribution (as applicable) for liability on account of fraud, gross negligence, willful
misconduct, breach of the performance of an agreed undertaking, violation of law or illegal
conduct (or the public policy underlying such action or conduct) of any Person seeking or
asserting the benefit of such indemnity, exculpation, or contribution provision, (v)&nbsp;limit
liability of any Person to claims for gross negligence or willful misconduct, (vi)&nbsp;grant to
any Person the right to offset special deposits against obligations owed under the
Financing Documents, (vii)&nbsp;authorize conclusive determinations by any party or to permit a
party to make determinations in its sole discretion, or (viii)&nbsp;restrict access to legal or
equitable remedies;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) states that (i)&nbsp;prohibition, illegality, invalidity, or unenforceability of any
provision of such Financing Document in any jurisdiction shall not (a)&nbsp;invalidate the
remaining provisions of such Financing Document, or (b)&nbsp;affect that provision in any other
jurisdiction, or (ii)&nbsp;the right of any Person to exercise any right or remedy on the basis
of any misrepresentation or breach of warranty is not affected by any action by a Lender;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) constitutes a submission to or acceptance of the jurisdiction of, or permits an
action against any Person to be brought, or waives any objection to the laying of venue or
choice of forum in such an action, in, the courts of any jurisdiction, other than the
courts of the State of New York or the federal courts of the United States of America
sitting in the State of New York;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4) permits an action against any Person to be brought in the courts of the State of
New York (i)&nbsp;if such Person has not been served with process in that action in accordance
with applicable rules of procedure, or (ii)&nbsp;if the court in which the action is brought
does not have jurisdiction of the subject matter of the action;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5) permits an action against any Person to be brought in the federal courts of the
United States of America sitting in the State of New York (i)&nbsp;if such Person has not been
served with process in accordance with applicable rules of procedure, or (ii)&nbsp;if those
courts do not have jurisdiction in the subject matter of the action;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6) requires the reimbursement to any Person whose breach of a recognizable standard
of performance or care in acting or failing timely or otherwise properly to act
substantially contributed to the basis for which such reimbursement is sought; or
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Wells Fargo Bank, N.A., as Administrative Agent<BR>
June &#95;&#95;&#95;, 2010

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(7) provides for the enforcement in any jurisdiction of a judgment of the courts of
another jurisdiction.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;We have assumed that each Financing Party will act reasonably and in good faith in
performing its duties, and in exercising its rights and remedies, under the Financing Documents.
In this regard, we note that the enforceability of specific provisions of the Financing Documents
may be subject to standards of reasonableness, care and diligence and &#147;good faith&#148; limitations and
obligations such as those provided in Sections&nbsp;1.302(b), 1.304, 1.309, and 5.109 of the Uniform
Commercial Code as in effect in the State of New York and similar applicable principles of common
law and judicial precedent. Further, we have also assumed that each Financing Party will enforce
the respective Financing Documents in compliance with the provisions thereof and all requirements
of applicable law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv)&nbsp;Furthermore, we note that the maximum lawful amount or rate of interest which any
national bank, a federal savings bank or any foreign bank or branch of a foreign bank which is
subject to the jurisdiction of the federal banking laws of the United States of America, may take,
receive, reserve, contract for, or charge is governed by federal statutory law. Further, Financing
Parties that are entities other than such financial institutions may, in accordance with laws
governing their respective operation and business, be subject to statutory limits provided by the
laws other than the laws of the State of New York. In rendering the Remedies Opinions, we express
no opinion as to whether the interest provided for in any Financing Document is in excess of any
such maximum lawful amount or rate or as to the effect of the provisions for interest in any Loan
Document on the enforceability of the Financing Documents with respect to any Financing Party
constituting a national bank or such foreign bank or branch thereof which is located in any
jurisdiction other than the State of New York.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.&nbsp;We do not express any opinion with respect to any exhibit to, or other agreement referred
to in, any of the Financing Documents.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.&nbsp;In rendering the foregoing opinions, we have not, pursuant to our engagement, endeavored to
express any opinions, and we express no opinions, and none are intended to be implied hereby nor
shall be inferred herefrom, as to (i)&nbsp;the various state and federal laws, statutes, regulations,
interpretations, opinions, directives, orders, rulings, authorities, or similar matters regulating
or governing any Financing Party (collectively, the &#147;<B><I>Rules</I></B>&#148;) and/or its entry into, execution,
delivery, or performance of the Financing Documents, or the transactions provided for therein, or
the conduct of its business related thereto, or (ii)&nbsp;any Financing Party&#146;s compliance with any of
the Rules in connection with any Financing Document, or the transactions provided for therein.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;E.&nbsp;In rendering the opinions expressed in paragraph 1 above relating to existence and good
standing, we have relied solely upon a review of certificates of public officials, without further
investigation as to matters set forth therein, and such opinions are limited to the dates of such
certificates.
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
 <DIV align="left" style="font-size: 10pt; margin-top: 6pt">Wells Fargo Bank, N.A., as Administrative Agent<BR>
June &#95;&#95;&#95;, 2010

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The opinions expressed herein are solely for the benefit of, and may only be relied upon by
each Financing Party, and its permitted successors and assigns, in connection with the Financing
Documents; <I>provided however, </I>any reliance on such opinions by a Person who becomes a party to the
Financing Documents after the date of this opinion letter shall be as to the opinions expressed
herein as of the date of this opinion letter and shall not constitute a reissuance of such opinions
as of the date of any such subsequent reliance or other subsequent date. Neither this opinion
letter nor any excerpt hereof (nor any reproduction of any of the foregoing) may be furnished to
(except in connection with a legal or arbitral proceeding or as may be required by applicable law,
and in any such events, as shall be directed and required incident thereto pursuant to a duly
issued subpoena, writ, order or other legal process), or relied upon by, any other Person without
the prior written consent of this Firm. The opinions expressed herein are as of the date hereof
(and not as of any other date, including, without limitation, the effective date of any Financing
Document if a date other than the date hereof) or, to the extent a reference to certificates of
public officials or other documents made herein, such date or dates, and we make no undertaking to
amend or supplement such opinions as facts and circumstances come to our attention or changes in
the law occur which could affect such opinions.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 50%">Very truly yours,

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 50%"><B><I>DRAFT</I></B>

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 50%">Fulbright &#038; Jaworski L.L.P.

</DIV>






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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SCHEDULE A<BR>
LIST OF LENDERS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Wells Fargo Bank, N.A.
</DIV>







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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SCHEDULE B<BR>
LIST OF GUARANTORS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The Persons listed immediately below, collectively, the &#147;<B><I>Delaware Corporations</I></B>&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Patterson-UTI Drilling International, Inc.<BR>
Universal Well Services, Inc.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The Persons listed immediately below, collectively the &#147;<B><I>Delaware LLCs</I></B>&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Patterson-UTI Management Services, LLC
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The Persons listed immediately below, collectively, the &#147;<B><I>Texas LLCs</I></B>&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-left: 3%; margin-top: 6pt">Patterson Petroleum LLC<BR>
Patterson-UTI Drilling Company LLC
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The Delaware Corporations, Delaware LLCs, and Texas LLCs, collectively, the &#147;<B><I>Guarantors</I></B>.&#148;
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Schedule&nbsp;B to Exhibit&nbsp;F
</DIV>

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<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B><I>EXHIBIT G</I></B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>FORM OF PREPAYMENT NOTICE</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt">Date: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>, _____
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">To:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Wells Fargo Bank, N.A., as Administrative Agent
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Ladies and Gentlemen:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reference is made to that certain Credit Agreement, dated as of July&nbsp;2, 2010 (as amended,
restated, extended, supplemented or otherwise modified in writing from time to time, the
&#147;<U>Agreement</U>;&#148; the terms defined therein being used herein as therein defined), among
Patterson-UTI Energy, Inc., a Delaware corporation (the &#147;<U>Borrower</U>&#148;), the Lenders from time
to time party thereto, and Wells Fargo Bank, N.A., as Administrative Agent.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned hereby gives notice of prepayment on the following Type of Loan (select one):
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT style="font-family: Wingdings">&#111;</FONT> Base Rate Loans&nbsp;&nbsp;&nbsp;<FONT style="font-family: Wingdings">&#111;</FONT> Eurodollar Rate Loans
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;On <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> (a Business Day).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;In
the amount of $ <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The giving of this notice and the amount of the prepayment of the Loans indicated herein
comply with <U>Section&nbsp;2.04(a)</U> of the Agreement.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>PATTERSON-UTI ENERGY, INC.</B>,<BR>
a Delaware corporation, as Borrower<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD colspan="0" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD colspan="0" style="border-bottom: 1px solid #000000" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Exhibit&nbsp;G
</DIV>


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<SEQUENCE>4
<FILENAME>d74236exv99w1.htm
<DESCRIPTION>EX-99.1
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<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Exhibit&nbsp;99.1</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="45%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="45%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><U><B>For Immediate Release</B></U>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Contact: John E. Vollmer III<BR>
SVP &#038; Chief Financial Officer<BR>
Patterson-UTI Energy, Inc.<BR>
(281)&nbsp;765-7100</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Patterson-UTI Energy Announces Acquisition of Pressure Pumping and<BR>
Wireline Businesses from Key Energy Services</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">HOUSTON, July&nbsp;6, 2010 &#151; PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today announced that it has
entered into an agreement for a newly formed subsidiary to acquire pressure pumping and wireline
assets from subsidiaries of Key Energy Services, Inc. (NYSE: KEG) for $237.7&nbsp;million in an all cash
transaction. The acquisition includes inventory, but excludes other working capital items. The
transaction, which is scheduled to close in September, is subject to termination of the waiting
period under the Hart-Scott-Rodino Act.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">This acquisition expands Patterson-UTI&#146;s pressure-pumping presence to the Barnett Shale, Eagle Ford
Shale and Permian Basin region. The acquired pressure pumping equipment consists of 214,400
horsepower, including 184,400 of fracturing horsepower and 30,000 horsepower used in cementing,
acidizing and nitrogen stimulation. Approximately 80% of the fracturing horsepower is comprised of
state-of-the-art quintuplex pumps that are ideally suited for shale frac work. The wireline
business includes 26 wireline units that operate in the same areas as the acquired pressure pumping
assets, as well as regions that include the Bakken Shale and Marcellus Shale. Of the 26 wireline
units, 22 are less than five years old.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Universal Well Services, Inc., Patterson-UTI&#146;s existing pressure pumping subsidiary that operates
in the Appalachian region and provides fracturing services in the Marcellus Shale, currently has
205,100 horsepower, including 144,000 in fracturing horsepower. This acquisition will bring the
total horsepower of Patterson-UTI&#146;s pressure pumping operations to 419,500. In addition,
approximately 50,000 horsepower of equipment is currently on order and expected to be delivered
over the next nine months.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Douglas J. Wall, Patterson-UTI&#146;s Chief Executive Officer, stated, &#147;This acquisition is consistent
with our long-term strategy of expanding our pressure pumping activities in a manner that continues
to deliver a high-level of customer service quality. In addition to the geographic expansion, the
acquired businesses provide strong operating personnel, as well as high quality equipment that is
very complementary to our existing energy service businesses. We look forward to welcoming the
employees of these businesses into the Patterson-UTI family, and working together with them to make
this acquisition a success.&#148;
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Commenting on the acquisition, Mark S. Siegel, Patterson-UTI&#146;s Chairman, stated, &#147;We are always
looking for opportunities to build value for our shareholders. This acquisition significantly
expands one of our core businesses, increasing its geographic footprint and overall capabilities.
We are very pleased to be able to accelerate the growth of our energy service businesses.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Mr.&nbsp;Siegel added, &#147;While we have sufficient financial resources to complete this acquisition with
cash on hand combined with availability under our existing unsecured revolving credit facility, we
have entered into an additional credit agreement to provide added financial flexibility. The new
credit agreement permits a borrowing of up to $250&nbsp;million to fund this acquisition at any time
through October&nbsp;30, 2010, and any loan that is drawn must be repaid by the 364<SUP style="FONT-size: 85%; vertical-align: text-top">th</SUP> day
following the closing date of the borrowing. We are evaluating long-term financing opportunities
and may not ultimately borrow under this new facility.&#148;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>About Patterson-UTI</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Patterson-UTI Energy, Inc. subsidiaries provide onshore contract drilling and pressure pumping
services to exploration and production companies in North America. Patterson-UTI Drilling Company
LLC has approximately 350 marketable land-based drilling rigs that operate primarily in the oil and
natural gas producing regions of Texas, New Mexico, Oklahoma, Arkansas, Louisiana, Mississippi,
Colorado, Utah, Wyoming, Montana, North Dakota, Pennsylvania, West Virginia and western Canada.
Universal Well Services, Inc. provides pressure pumping services primarily in the Appalachian
Basin.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><I>Statements made in this press release which state the Company&#146;s or management&#146;s intentions,
beliefs, expectations or predictions for the future are forward-looking statements. It is important
to note that actual results could differ materially from those discussed in such forward-looking
statements. Important factors that could cause actual results to differ materially include, but are
not limited to, deterioration in the global economic environment, declines in oil and natural gas
prices that could adversely affect demand for the Company&#146;s services, and their associated effect
on day rates, rig utilization and planned capital expenditures, excess availability of land
drilling rigs, including as a result of the reactivation or construction of new land drilling rigs,
adverse industry conditions, difficulty in integrating acquisitions, demand for oil and natural
gas, shortages of rig equipment and ability to retain management and field personnel. Additional
information concerning factors that could cause actual results to differ materially from those in
the forward-looking statements is contained from time to time in the Company&#146;s SEC filings, which
may be obtained by contacting the Company or the SEC. These filings are also available through the
Company&#146;s web site at </I><U>http://www.patenergy.com</U> <I>or through the SEC&#146;s Electronic Data
Gathering and Analysis Retrieval System (EDGAR)&nbsp;at </I><U>http://www.sec.gov</U><I>. We undertake no
obligation to publicly update or revise any forward-looking statement.</I>
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