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<SEC-DOCUMENT>0000950123-10-023462.txt : 20100311
<SEC-HEADER>0000950123-10-023462.hdr.sgml : 20100311
<ACCEPTANCE-DATETIME>20100311134432
ACCESSION NUMBER:		0000950123-10-023462
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20100426
FILED AS OF DATE:		20100311
DATE AS OF CHANGE:		20100311
EFFECTIVENESS DATE:		20100311

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22664
		FILM NUMBER:		10673370

	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>DEF 14A
<SEQUENCE>1
<FILENAME>d71175ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
<HTML>
<HEAD>
<TITLE>def14a</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<P style="font-size: 10pt" align="center"><B>UNITED STATES<BR>SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549</B>


<P style="font-size: 10pt" align="center"><B>SCHEDULE 14A</B>



<P style="font-size: 10pt" align="center">Proxy Statement Pursuant to Section 14(a) of the Securities<BR>
Exchange Act of 1934 (Amendment No.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)


<P>
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>Filed by the Registrant
&nbsp;&nbsp;<FONT face="wingdings">&#254;</FONT></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>Filed by a Party other than the Registrant
&nbsp;&nbsp;<FONT face="wingdings">&#111;</FONT></TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>Check the appropriate box:</TD>
</TR>
</TABLE>
<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD><FONT face="wingdings">&#111;</font>&nbsp;&nbsp; Preliminary Proxy Statement</TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>

<TD><FONT face="wingdings">&#111;</font>&nbsp;&nbsp;
<B>Confidential, for Use of the Commission Only (as permitted by
Rule&nbsp;14a-6(e)(2))</B></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>

<TD><FONT face="wingdings">&#254;</font>&nbsp;&nbsp; Definitive Proxy Statement</TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD><FONT face="wingdings">&#111;</font>&nbsp;&nbsp; Definitive Additional Materials</TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD><FONT face="wingdings">&#111;</font>&nbsp;&nbsp;
Soliciting Material Pursuant to &#167;240.14a-12</TD>
</TR>
</TABLE>


<P align="center" style="font-size: 10pt">


<P align="center" style="font-size: 14pt"><B>Patterson-UTI Energy,
Inc.</B><HR size="1" noshade><DIV align="center" style="font-size: 10pt">(Name
of Registrant as Specified In Its Charter)</DIV>
<P align="center" style="font-size: 10pt"><HR size="1" noshade><DIV align="center" style="font-size: 10pt">(Name
of Person(s) Filing Proxy Statement, if other than the
Registrant)</DIV>

<P style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payment of Filing Fee (Check the appropriate box):


<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>

<TD><FONT face="wingdings">&#254;</FONT>&nbsp;&nbsp; No fee required.</TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>

<TD><FONT face="wingdings">&#111;</FONT>&nbsp;&nbsp;
Fee computed on table below per Exchange Act Rules&nbsp;14a-6(i)(1) and
0-11.</TD>
</TR>
</TABLE>
<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1)&nbsp;Title of each class of securities to which transaction applies:</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2)&nbsp;Aggregate number of securities to which transaction applies:</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3)&nbsp;Per unit price or other underlying value of transaction computed
pursuant to Exchange Act Rule&nbsp;0-11 (set forth the amount on which the
filing fee is calculated and state how it was determined):</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4)&nbsp;Proposed maximum aggregate value of transaction:</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5)&nbsp;Total fee paid:</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT face="wingdings">&#111;</FONT>&nbsp;&nbsp; Fee paid previously with preliminary materials.</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT face="wingdings">&#111;</FONT>&nbsp;&nbsp; Check box if any part of the fee is offset as provided by Exchange Act
Rule&nbsp;0-11(a)(2) and identify the filing for which the offsetting fee
was paid previously. Identify the previous filing by registration
statement number, or the Form or Schedule and the date of its filing.</TD>
</TR>
</TABLE>
<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1)&nbsp;Amount Previously Paid:</TD>
</TR>
</TABLE>
<HR size="1" noshade>


<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2)&nbsp;Form, Schedule or Registration Statement No.:</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3)&nbsp;Filing Party:</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="3%"></TD>
        <TD width="97%"></TD>
</TR>
<TR valign="top">
        <TD>&nbsp;</TD>
        <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4)&nbsp;Date Filed:</TD>
</TR>
</TABLE>
<HR size="1" noshade>

<P style="font-size: 10pt">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="20%"></TD>
        <TD width="80%"></TD>
</TR>

</TABLE>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV align="center" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <IMG src="d71175dd7117500.gif" alt="(PATTERSON-UTI LOGO)">
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="right" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <FONT style="font-family: 'Times New Roman', Times">March&#160;11,
    2010
    </FONT>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Dear Stockholder:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    We cordially invite you to attend Patterson-UTI Energy,
    Inc.&#146;s annual stockholders&#146; meeting. The annual
    meeting will be held Monday, April&#160;26, 2010, at
    3:00&#160;p.m., local time, at the Hilton Houston North Hotel,
    12400&#160;Greenspoint Drive, Houston, Texas 77060.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    We are pleased to take advantage of Securities and Exchange
    Commission rules that allow us to furnish these proxy materials
    and our annual report primarily over the Internet. We believe
    that posting these materials on the Internet enables us to
    provide stockholders with the information that they need
    quickly, while lowering our costs of printing and delivery and
    conserving natural resources. We encourage you to vote via the
    Internet and follow the links to our proxy statement and annual
    report, which are both available at www.proxyvote.com.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    For those stockholders who have elected to receive their proxy
    materials in the mail, please review our proxy statement and
    annual report and vote via the Internet, by telephone or using
    your proxy card.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Your vote is important to us. Please review your proxy materials
    carefully and send in your vote today.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Thank you for your support.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Sincerely,
</DIV>

<DIV style="margin-top: 36pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF"><!-- TABLE 01 -->
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="50%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="48%">&nbsp;</TD>	<!-- colindex=02 type=maindata -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<!-- TableOutputBody -->
<TR valign="bottom">
<TD nowrap align="left" valign="top">
    <IMG src="d71175dd7117501.gif" alt="-s- Mark S. Siegel">
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
    <IMG src="d71175dd7117502.gif" alt="-s- Douglas J. Wall">
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    <FONT style="font-variant: SMALL-CAPS">Mark S. Siegel
    </FONT>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="top">
    <FONT style="font-variant: SMALL-CAPS">Douglas J. Wall
    </FONT>
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    <I>Chairman of the Board</I>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="top">
    <I>President and Chief Executive Officer</I>
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>
<!-- XBRL Pagebreak Begin -->

<P align="left" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<!-- TOC -->
<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
<TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
<TR>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="76%"></TD>
</TR>
<TR><TD colspan="9"><A HREF="#000">NOTICE OF 2010 ANNUAL MEETING OF STOCKHOLDERS To Be Held April 26, 2010</A></TD></TR>
<TR><TD colspan="9"><A HREF="#001">PROXY STATEMENT</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">ANNUAL MEETING OF STOCKHOLDERS To Be Held April 26, 2010</A></TD></TR>
<TR><TD colspan="9"><A HREF="#003">GENERAL INFORMATION ABOUT THE ANNUAL MEETING AND VOTING</A></TD></TR>
<TR><TD colspan="9"><A HREF="#004">SHARES OUTSTANDING AND VOTING RIGHTS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#005">PROPOSAL NO. 1</A></TD></TR>
<TR><TD colspan="9"><A HREF="#006">PROPOSAL NO. 2</A></TD></TR>
<TR><TD colspan="9"><A HREF="#007">PROPOSAL NO. 3</A></TD></TR>
<TR><TD colspan="9"><A HREF="#008">EXECUTIVE OFFICERS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#009">COMPENSATION DISCUSSION AND ANALYSIS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#010">COMPENSATION COMMITTEE REPORT</A></TD></TR>
<TR><TD colspan="9"><A HREF="#011">Summary Compensation Table</A></TD></TR>
<TR><TD colspan="9"><A HREF="#012">Option Exercises and Stock Vested</A></TD></TR>
<TR><TD colspan="9"><A HREF="#013">CHANGE IN CONTROL ARRANGEMENTS; EMPLOYMENT CONTRACTS; INDEMNIFICATION AGREEMENTS; CERTAIN PAYMENTS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#014">CERTAIN TRANSACTIONS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#015">SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT</A></TD></TR>
<TR><TD colspan="9"><A HREF="#016">AUDIT COMMITTEE REPORT</A></TD></TR>
<TR><TD colspan="9"><A HREF="#017">OTHER MATTERS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#018">Appendix A</A></TD></TR>
</TABLE>
</CENTER>
<!-- /TOC -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 14pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">PATTERSON-UTI
    ENERGY, INC.<BR>
    <FONT style="font-size: 10pt">450 Gears Road, Suite&#160;500<BR>
    Houston, Texas 77067</FONT></FONT></B>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<CENTER style="font-size: 1pt; width: 18%; border-bottom: 1pt solid #000000"></CENTER>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>


<!-- link1 "NOTICE OF 2010 ANNUAL MEETING OF STOCKHOLDERS To Be Held April 26, 2010" -->
<DIV align="left"><A NAME="000"></A></DIV>


<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 12pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">NOTICE OF
    2010 ANNUAL MEETING OF STOCKHOLDERS<BR>
    To Be Held April&#160;26, 2010</FONT></B>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<CENTER style="font-size: 1pt; width: 18%; border-bottom: 1pt solid #000000"></CENTER>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The 2010 annual meeting of the stockholders of Patterson-UTI
    Energy, Inc., a Delaware corporation
    (&#147;Patterson-UTI&#148;), will be held Monday, April&#160;26,
    2010, at 3:00&#160;p.m., local time, at the Hilton Houston North
    Hotel, 12400 Greenspoint Drive, Houston, Texas 77060 (the
    &#147;Meeting&#148;), for the following purposes:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    to elect seven directors to the Board of Directors of
    Patterson-UTI to serve until the next annual meeting of the
    stockholders or until their respective successors are elected
    and qualified;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    approve an amendment to Patterson-UTI&#146;s 2005 Long-Term
    Incentive Plan to increase the number of shares available for
    issuance under the plan;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    to ratify the selection of PricewaterhouseCoopers LLP as the
    independent registered public accounting firm of Patterson-UTI
    for the fiscal year ending December&#160;31, 2010;&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    transact such other business as may properly come before the
    Meeting or any adjournment or postponement thereof.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Stockholders of record at the close of business on March&#160;1,
    2010 are entitled to vote at the Meeting and any adjournment or
    postponement thereof.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Your vote is important to us. Whether or not you plan to attend
    the Meeting in person, we urge you to promptly vote your shares
    via the Internet, by telephone, or if the accompanying proxy
    statement was mailed to you, by completing, signing, dating and
    returning your proxy card as soon as possible in the enclosed
    postage prepaid envelope.
</DIV>

<DIV style="margin-top: 24pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 49%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    By order of the Board of Directors
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 49%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <IMG src="d71175dd7117503.gif" alt="-s- Seth D. Wexler, Jr.">
</DIV>

<DIV align="left" style="margin-left: 49%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <FONT style="font-variant: SMALL-CAPS">Seth D. Wexler
    </FONT>
</DIV>

<DIV align="left" style="margin-left: 49%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>General Counsel and Secretary</I>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    March&#160;11, 2010
</DIV>
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 14pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">PATTERSON-UTI
    ENERGY, INC.<BR>
    <FONT style="font-size: 10pt">450 Gears Road, Suite&#160;500<BR>
    Houston, Texas 77067</FONT></FONT></B>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<CENTER style="font-size: 1pt; width: 18%; border-bottom: 1pt solid #000000"></CENTER>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>


<!-- link1 "PROXY STATEMENT" -->
<DIV align="left"><A NAME="001"></A></DIV>


<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 12pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">PROXY
    STATEMENT</FONT></B>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<CENTER style="font-size: 1pt; width: 18%; border-bottom: 1pt solid #000000"></CENTER>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>


<!-- link1 "ANNUAL MEETING OF STOCKHOLDERS To Be Held April 26, 2010" -->
<DIV align="left"><A NAME="002"></A></DIV>


<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 12pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">ANNUAL
    MEETING OF STOCKHOLDERS<BR>
    To Be Held April&#160;26, 2010</FONT></B>
</DIV>


<!-- link1 "GENERAL INFORMATION ABOUT THE ANNUAL MEETING AND VOTING" -->
<DIV align="left"><A NAME="003"></A></DIV>


<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">GENERAL
    INFORMATION ABOUT THE ANNUAL MEETING AND VOTING</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Board of Directors (the &#147;Board&#148; or &#147;Board of
    Directors&#148;) of Patterson-UTI Energy, Inc., a Delaware
    corporation (&#147;Patterson-UTI&#148;), has made these proxy
    materials available to you on the Internet, or, upon your
    request has delivered printed versions of these materials to you
    by mail. Patterson-UTI is furnishing this proxy statement in
    connection with the solicitation by the Board of Directors of
    proxies to be voted at the 2010 annual meeting of stockholders
    of Patterson-UTI (the &#147;Meeting&#148;). The Meeting will be
    held Monday, April&#160;26, 2010, at 3:00&#160;p.m., local time,
    at the Hilton Houston North Hotel, 12400 Greenspoint Drive,
    Houston, Texas 77060, or at any adjournment thereof. The Notice
    of Internet Availability of Proxy Materials (the
    &#147;Notice&#148;) was mailed to each of Patterson-UTI&#146;s
    stockholders (other than those who previously requested
    electronic delivery) entitled to vote at the Meeting on or about
    March&#160;12, 2010.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Pursuant to the &#147;notice and access&#148; rules adopted by
    the Securities and Exchange Commission (the &#147;SEC&#148;),
    Patterson-UTI has elected to provide stockholders access to its
    proxy materials over the Internet. Accordingly, Patterson-UTI
    sent a Notice to all of its stockholders as of the record date.
    The Notice includes instructions on how to access
    Patterson-UTI&#146;s proxy materials over the Internet and how
    to request a printed copy of these materials. In addition, by
    following the instructions in the Notice, stockholders may
    request to receive proxy materials in printed form by mail or
    electronically by email on an ongoing basis.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Choosing to receive your future proxy materials by email will
    save us the cost of printing and mailing documents to you and
    will help conserve natural resources. If you choose to receive
    future proxy materials by email, you will receive an email next
    year with instructions containing a link to those materials and
    a link to the proxy voting site. Your election to receive proxy
    materials by email will remain in effect until you
    terminate&#160;it.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    If your shares are registered directly in your name with our
    transfer agent, Continental Stock Transfer&#160;&#038;
    Trust&#160;Company, you are considered the &#147;stockholder of
    record&#148; with respect to those shares, and the Notice was
    sent directly to you.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    If your shares are held in an account at a brokerage firm, bank,
    broker-dealer, or other similar organization, then you are the
    beneficial owner of shares held in &#147;street name,&#148; and
    the Notice was forwarded to you by that organization. As a
    beneficial owner, you have the right to direct that organization
    on how to vote the shares held in your account.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Whether you are a &#147;stockholder of record&#148; or hold your
    shares in &#147;street name,&#148; you may direct your vote
    without attending the Meeting in person.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    If you are a stockholder of record, you may vote by Internet or
    by telephone by following the instructions on the Notice. If you
    request printed copies of the proxy materials by mail, you may
    also vote by signing and submitting your proxy card and
    returning by mail or by submitting your vote by telephone. You
    should sign your name exactly as it appears on the proxy card.
    If you are signing in a representative capacity (for example, as
    guardian, executor, trustee, custodian, attorney or officer of a
    corporation), you should indicate your name and title or
    capacity.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    If you are the beneficial owner of shares held in street name,
    you may be eligible to vote your shares electronically over the
    Internet or by telephone by following the instructions on the
    Notice. If you request printed copies of the proxy materials by
    mail, you may also vote by signing the voter instruction card
    provided by your
</DIV>
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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    brokerage firm, bank, broker-dealer, or other similar
    organization and returning it by mail. If you provide specific
    voting instructions by mail, telephone or the Internet, your
    shares will be voted by your brokerage firm, bank,
    broker-dealer, or similar organization as you have directed.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Properly submitted proxies received either by mail, Internet,
    telephone or in person, in time to be counted for the Meeting
    will be voted as you have directed in your proxy, unless you
    revoke your proxy in the manner provided below. As to any matter
    for which you give no direction in your proxy, your shares will
    be voted as follows:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    &#147;FOR&#148; the election of all of the nominees to the Board
    of Directors;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    &#147;FOR&#148; the approval of the amendment to
    Patterson-UTI&#146;s 2005 Long-Term Incentive Plan to increase
    the number of shares authorized for issuance under the plan;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    &#147;FOR&#148; the ratification of PricewaterhouseCoopers LLP
    as the independent registered public accounting firm of
    Patterson-UTI for the fiscal year ending December&#160;31,
    2010;&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    &#147;FOR&#148; or &#147;AGAINST&#148; any other proposals that
    may be properly submitted at the Meeting at the discretion of
    the persons named in the proxy.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    If you are a stockholder of record, you may revoke your proxy
    before the proxy is voted by either:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    submitting a new proxy with a later date, including a proxy
    submitted by the Internet or by telephone, in time to be counted
    for the meeting;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    notifying the Secretary of Patterson-UTI in writing before the
    Meeting that you have revoked your proxy;&#160;or
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    attending the Meeting and voting in person.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    If your shares are held in street name, you must obtain a proxy
    executed in your favor from the stockholder of record (that is,
    your brokerage firm, bank, broker-dealer or similar
    organization) to be able to vote at the Meeting.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Board of Directors is making this solicitation.
    Patterson-UTI&#146;s officers and other employees, without
    compensation other than regular compensation, may solicit
    proxies by mail, email, the Internet, telephone, electronic
    means and personal interview. Patterson-UTI does not intend to
    retain a proxy solicitation firm to assist in the solicitation
    of proxies of stockholders, but may do so if circumstances
    warrant. Patterson-UTI will pay all costs associated with this
    solicitation.
</DIV>


<!-- link1 "SHARES OUTSTANDING AND VOTING RIGHTS" -->
<DIV align="left"><A NAME="004"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">SHARES
    OUTSTANDING AND VOTING RIGHTS</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Only stockholders of record of Patterson-UTI&#146;s common
    stock, $.01&#160;par value per share (the &#147;Common
    Stock&#148;), at the close of business on March&#160;1, 2010 are
    entitled to notice of and to vote at the Meeting or any
    adjournment or postponement thereof. At the close of business on
    March&#160;1, 2010, there were 153,574,336&#160;shares of Common
    Stock issued and outstanding. Holders of record of Common Stock
    on March&#160;1, 2010 will be entitled to one vote per share on
    all matters to properly come before the Meeting. A list of
    stockholders entitled to notice of and to vote at the Meeting
    will be made available during regular business hours at the
    offices of Patterson-UTI Energy, Inc., 450 Gears Road,
    Suite&#160;500, Houston, Texas 77067, from April&#160;9, 2010
    through April&#160;23, 2010 and at the Meeting for examination
    by any stockholder for any purpose germane to the Meeting.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    A quorum is necessary to transact business at the Meeting. A
    majority of the shares of Common Stock outstanding on
    March&#160;1, 2010 will constitute a quorum. The shares held by
    each stockholder who attends the Meeting in person, signs and
    timely returns the form of proxy or properly votes using the
    Internet or telephone will be counted for purposes of
    determining the presence of a quorum at the Meeting.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    &#147;Broker non-votes&#148; will be considered present at the
    Meeting but will not be counted to determine the total number of
    votes cast. Broker non-votes occur when nominees, such as
    brokerage firms, banks, broker-dealers, or other similar
    organizations holding shares on behalf of the beneficial owners,
    are prohibited from exercising discretionary voting authority
    for beneficial owners who have not provided voting instructions.
    If you do not give instructions to your bank, brokerage firm or
    other agent, the bank, brokerage firm or other agent will
    nevertheless be entitled to vote your shares of Common Stock in
    its discretion on &#147;routine matters&#148; and may give or
    authorize the
</DIV>
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    <BR>
    2
</DIV><!-- END PAGE WIDTH -->
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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    giving of a proxy to vote the shares of Common Stock in its
    discretion on such matters. The ratification of an independent
    registered public accounting firm is generally considered a
    routine matter, whereas the election of directors and action
    with respect to incentive plans are not considered routine
    matters. For these reasons, please promptly vote in accordance
    with the instructions provided by your brokerage firm, bank,
    broker-dealer, or other similar organization.
</DIV>


<!-- link1 "PROPOSAL NO. 1" -->
<DIV align="left"><A NAME="005"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">PROPOSAL&#160;NO.&#160;1</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">ELECTION
    OF DIRECTORS</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI&#146;s bylaws provide that the number of members
    of the Board of Directors shall be fixed either by amendment to
    the bylaws or by resolution of the Board of Directors. Directors
    are elected to serve until the next annual meeting of
    stockholders and until their successors are elected and
    qualified. Patterson-UTI&#146;s bylaws provide that the
    affirmative vote of a plurality of the votes cast at the meeting
    at which a quorum is present is required for the election of
    directors. Shares as to which a stockholder withholds authority
    to vote on the election of directors and shares as to which a
    broker indicates that it does not have discretionary authority
    to vote on the election of directors will not be counted as
    voting thereon and will not affect the election of the nominees
    receiving a plurality of the votes cast.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The enclosed form of proxy provides a means for you to either:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    vote &#147;FOR&#148; the election of the nominees to the Board
    of Directors listed below,
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    withhold authority to vote for one or more of the
    nominees,&#160;or
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    withhold authority to vote for all of the nominees.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>The Board of Directors recommends that you vote
    &#147;FOR&#148; all of the nominees.</B>&#160;&#160;Unless you
    give contrary instructions in your proxy, your proxy will be
    voted &#147;FOR&#148; the election of all of the nominees to the
    Board of Directors. If any nominee should become unable or
    unwilling to accept nomination or election, the person acting
    under the proxy will vote for the election of such other person
    as the Board of Directors may recommend. The Board has no
    reason, however, to believe that any of the nominees will be
    unable or unwilling to serve if elected. Abstentions will have
    no effect with respect to the election of directors. A broker
    non-vote will be counted for purposes of establishing a quorum,
    but will not be treated as a vote cast with respect to the
    election of directors. This will have the effect of reducing the
    absolute number of votes cast for the election of directors.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    There are no arrangements or understandings between any person
    and any of the directors pursuant to which such director was
    selected as a nominee for election at the Meeting. There are no
    family relationships among any of the directors or executive
    officers of Patterson-UTI.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Our corporate governance guidelines require that if a director
    receives in an uncontested election a greater number of
    &#147;withhold&#148; votes than votes cast &#147;for&#148; his
    or her election, the Nominating and Corporate Governance
    Committee of the Board of Directors will undertake a prompt
    evaluation of the appropriateness of the director&#146;s
    continued service on the Board of Directors. In performing this
    evaluation, the Nominating and Corporate Governance Committee
    will review all factors it deems relevant, including the stated
    reasons why votes were withheld, the director&#146;s length of
    service, his or her past contributions to Patterson-UTI and the
    availability of other qualified candidates. The Nominating and
    Corporate Governance Committee will then make its recommendation
    to the Board. The Board of Directors will review the Nominating
    and Corporate Governance Committee&#146;s recommendation and
    consider such further factors and information as it deems
    relevant. The Board of Directors will act on the Nominating and
    Corporate Governance Committee&#146;s recommendation no later
    than 90&#160;days following the date of the stockholders&#146;
    meeting. If the Board of Directors determines remedial action is
    appropriate, the director shall promptly take whatever action is
    requested by the Board. If the director does not promptly take
    the recommended remedial action or if the Board of Directors
    determines that immediate resignation is in the best interests
    of Patterson-UTI and its stockholders, the Board of Directors
    may accept the director&#146;s resignation that will have been
    tendered as follows. Each director will as a condition to his or
    her appointment or election as a director or nomination as a
    director agree in writing to comply with the terms of
    Patterson-UTI&#146;s majority voting policy and provide to the
    Board of Directors an irrevocable resignation that will be
    effective upon (i)&#160;the failure to receive the
</DIV>
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    <BR>
    3
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    required vote at the next annual meeting at which such director
    faces re-election and (ii)&#160;the Board of Directors
    acceptance of such resignation.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Set forth below is the name, age, position and a brief
    description of the business experience during at least the past
    five years of each of the members of Patterson-UTI&#146;s Board
    of Directors, as well as specific qualifications, attributes and
    skills of such member that were identified by the Nominating and
    Corporate Governance Committee when concluding such member
    should be nominated to serve on the Board of Directors. Each
    current member of Patterson-UTI&#146;s Board of Directors is a
    nominee for election to the Board of Directors.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="43%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=quadleft -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=maindata -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=quadright -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="52%">&nbsp;</TD>	<!-- colindex=03 type=maindata -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Name</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Age</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="center" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Position</B>
</DIV>
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Mark S. Siegel
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    59
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    Chairman of the Board and Director
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Kenneth N. Berns
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    50
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    Senior Vice President and Director
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Charles O. Buckner
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    65
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    Director
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Curtis W. Huff
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    52
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    Director
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Terry H. Hunt
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    61
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    Director
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Kenneth R. Peak
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    64
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    Director
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Cloyce A. Talbott
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    74
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    Director
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    When considering whether directors and nominees have the
    experience, qualifications, attributes and skills, taken as a
    whole, to enable the Board of Directors to satisfy its oversight
    responsibilities effectively in light of the Company&#146;s
    business and structure, the Nominating and Corporate Governance
    Committee and the Board of Directors focused primarily on the
    information discussed in each of the directors&#146; individual
    biographies set forth below.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In particular, with regard to Mr.&#160;Buckner, the Board of
    Directors considered his past and current service as a director
    of oil and gas companies, as well as his experience, expertise
    and background with regard to accounting matters, which includes
    his role as the former chairman of Ernst&#160;&#038; Young
    LLP&#146;s United States energy practice.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    With regard to Mr.&#160;Huff, the Board of Directors considered
    his background as an executive of publicly traded oilfield
    services companies and as an owner and manager of a private
    equity firm and investment firm focused on the oilfield service
    industry. The Board noted his knowledge and experience in a
    broad range of oilfield products and services and his current
    and historical experience in managing operations in both the
    United States and internationally. The Board also considered
    Mr.&#160;Huff&#146;s expertise and background with regard to
    accounting and legal matters, which, among other things,
    provides guidance to Patterson-UTI in assessing its corporate
    governance structure, policies and procedures.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    With regard to Mr.&#160;Hunt, the Board of Directors considered
    that his over twenty-five years of experience covering most
    phases of the upstream oil and natural gas industry in the
    United States and Canada, including the evaluation of
    exploration and development programs, oil and natural gas
    production and pipeline operations, and project development and
    major production facility construction provides Patterson-UTI
    with an invaluable perspective of the oil and natural gas
    industry and its customers. In addition, Mr.&#160;Hunt&#146;s
    many years of senior executive experience leading natural gas
    distribution, storage and marketing companies provides insight
    into the management of multi-faceted businesses and the markets
    for natural gas in North America.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    With regard to Mr.&#160;Peak, the Board of Directors considered
    his nearly forty years in the energy industry, including in a
    financial capacity, as well as his current role as the chairman
    and chief executive officer of a publicly traded oil and gas
    exploration and production company. This experience and
    background provides Patterson-UTI with an important perspective
    into its customers, current industry conditions and expectations
    of where the oil and natural gas market is headed.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    With regard to Mr.&#160;Talbott, the Board of Directors
    considered his more than fifty years of experience in the oil
    and gas industry, more than thirty of which has been with
    Patterson-UTI, which provides unique and valuable knowledge of
    the U.S.&#160;land drilling industry and a historical
    perspective of the cyclical nature of the oil and natural gas
    industry.
</DIV>
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    <BR>
    4
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    With regard to Mr.&#160;Berns, the Board of Directors considered
    his more than twenty-five years of financial, mergers and
    acquisitions and transactional experience, including fifteen
    years in the oil and gas industry. This experience and
    background, provides perspective on the cyclical nature of the
    oil and gas industry and allows Mr.&#160;Berns to provide
    valuable direction with respect to Patterson-UTI&#146;s
    financial affairs, corporate transactions and strategic
    decisions.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    With regard to Mr.&#160;Siegel, the Board of Directors
    considered his broad business and legal experience, as well as
    his expertise with respect to Patterson-UTI&#146;s business. In
    addition, the Board considered Mr.&#160;Siegel&#146;s
    demonstrated leadership over the past 15&#160;years of both
    Patterson-UTI and one of its predecessor companies, UTI Energy,
    Inc. In addition, the Board considered Mr.&#160;Siegel&#146;s
    prior leadership experience in other public companies in the oil
    services industry, and in numerous other businesses and
    industries. Mr.&#160;Siegel also brings substantial experience
    and expertise in mergers and acquisitions, capital structure
    transactions, strategic planning, and board and business
    management. Mr.&#160;Siegel&#146;s broad and deep experience and
    expertise allows him to provide Patterson-UTI with valuable
    leadership in all areas of its business endeavors.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Mark S. Siegel</I>&#160;&#151; Mr.&#160;Siegel has served as
    Chairman of the Board and as a director of Patterson-UTI since
    May 2001. Mr.&#160;Siegel served as Chairman of the Board and as
    a director of UTI Energy Corp. (&#147;UTI&#148;) from 1995 to
    May 2001, when UTI merged with and into Patterson-UTI.
    Mr.&#160;Siegel has been President of REMY Investors&#160;&#038;
    Consultants, Incorporated (&#147;REMY Investors&#148;) since
    1993. From 1992 to 1993, Mr.&#160;Siegel was President, Music
    Division, Blockbuster Entertainment Corp. From 1988 through
    1992, Mr.&#160;Siegel was an Executive Vice President of
    Shamrock Holdings, Inc., a private investment company, and
    Managing Director of Shamrock Capital Advisors, Incorporated.
    Mr.&#160;Siegel holds a Bachelor of Arts degree from Colgate
    University and a J.D. from the University of California,
    Berkeley (Boalt Hall) School of Law.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Kenneth N. Berns</I>&#160;&#151; Mr.&#160;Berns has served as
    Senior Vice President of Patterson-UTI since April 2003 and as a
    director of Patterson-UTI since May 2001. Mr.&#160;Berns served
    as a director of UTI from 1995 to May 2001. Mr.&#160;Berns has
    been an executive with REMY Investors since 1994. Mr.&#160;Berns
    holds a Bachelors Degree in Business Administration from
    San&#160;Diego State University and a Masters Degree in Taxation
    from Golden Gate University.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Charles O. Buckner</I>&#160;&#151; Mr.&#160;Buckner has
    served as a director of Patterson-UTI since February 2007.
    Mr.&#160;Buckner, a private investor, retired from the public
    accounting firm of Ernst&#160;&#038; Young LLP in 2002 after
    35&#160;years of service in a variety of client service and
    administrative roles, including chairmanship of
    Ernst&#160;&#038; Young&#146;s United States energy practice. He
    presently serves as a director of Gateway Energy Corporation, a
    public company in the oil and gas pipeline business, and Energy
    Partners, Ltd., a publicly held company with oil and natural gas
    exploration and production on the continental shelf in the Gulf
    of Mexico. Mr.&#160;Buckner served as a director of Horizon
    Offshore, Incorporated, a marine construction services company
    for the offshore oil and gas industry from 2003 to 2007, and
    Whittier Energy Corporation, a publicly held company with
    domestic onshore oil and natural gas exploration and production
    from 2003 to 2007. Mr.&#160;Buckner is a Certified Public
    Accountant and holds a Bachelor of Business Administration from
    the University of Texas and a Masters of Business Administration
    from the University of Houston.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Curtis W. Huff</I>&#160;&#151; Mr.&#160;Huff has served as a
    director of Patterson-UTI since May 2001 and served as a
    director of UTI from 1997 to May 2001. Mr.&#160;Huff is the
    co-founder and Managing Partner of Intervale Capital, an
    oilfield service private equity firm that Mr.&#160;Huff created
    in 2006. Mr.&#160;Huff is also the President and Chief Executive
    Officer of Freebird Investments LLC, a private family office
    investment company that was created in October 2002.
    Mr.&#160;Huff served as the President and Chief Executive
    Officer of Grant Prideco, Inc., a provider of drill pipe and
    other drill stem products, from February 2001 to June 2002. From
    January 2000 to February 2001, Mr.&#160;Huff served as Executive
    Vice President, Chief Financial Officer and General Counsel of
    Weatherford International, Inc., one of the world&#146;s largest
    international oilfield services company. He served as Senior
    Vice President and General Counsel of Weatherford from May 1998
    to January 2000. Mr.&#160;Huff began his professional career in
    1983 with the law firm of Fulbright&#160;&#038; Jaworski L.L.P.
    where he specialized in corporate, securities and merger and
    acquisition matters. Mr.&#160;Huff was made a partner in that
    firm in 1989 where he served until 1998 when he joined
    Weatherford. Mr.&#160;Huff holds a Bachelor of Arts degree and
    Juris Doctorate from the University of New Mexico, where he
    graduated as a member of the order of the coif and cum laude,
    and a Masters of Law from New York University School of Law.
</DIV>
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    <BR>
    5
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Terry H. Hunt</I>&#160;&#151; Mr.&#160;Hunt has served as a
    director of Patterson-UTI since April 2003 and served as a
    director of UTI from 1994 to May 2001. Mr.&#160;Hunt is an
    energy consultant and investor. Mr.&#160;Hunt served as Senior
    Vice President&#160;&#151; Strategic Planning of PPL
    Corporation, an international energy and utility holding
    company, from 1998 to 2000. Mr.&#160;Hunt served as the
    President and Chief Executive Officer of Penn Fuel Gas, Inc., a
    Pennsylvania-based natural gas and propane distribution company,
    from 1992 to 1999. Previously, Mr.&#160;Hunt was President of
    Carnegie Natural Gas and Apollo Gas Company, both Appalachian
    natural gas distribution companies. He also previously served in
    senior management positions in natural gas project and venture
    development, oil and natural gas exploration and development
    evaluation and operations and major production facilities
    construction with Texas Oil&#160;&#038; Gas Corp. and Atlantic
    Richfield. Mr.&#160;Hunt holds a Bachelor of Engineering degree
    from the University of Saskatchewan, Canada and a Masters of
    Business Administration from Southern Methodist University.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Kenneth R. Peak</I>&#160;&#151; Mr.&#160;Peak has served as a
    director of Patterson-UTI since November 2000. Mr.&#160;Peak has
    served as Chairman and Chief Executive Officer of Contango
    Oil&#160;&#038; Gas Company since September 1999. Mr.&#160;Peak
    entered the energy industry in 1972 as a commercial banker and
    has held a variety of financial and executive positions in the
    oil and gas industry prior to starting Contango in 1999.
    Mr.&#160;Peak served as an officer in the U.S.&#160;Navy from
    1968 to 1971. Mr.&#160;Peak received a Bachelor of Science in
    Physics from Ohio University in 1967 and a Masters of Business
    Administration from Columbia University in 1972.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Cloyce A. Talbott</I>&#160;&#151; Mr.&#160;Talbott has served
    as a director of Patterson-UTI since its incorporation in 1978.
    Mr.&#160;Talbott co-founded Patterson-UTI and has served in
    various capacities, including as its Chief Executive Officer
    from 1983 until his retirement from that position in September
    2007. He also served as Chairman of the Board from 1983 to May
    2001. Mr.&#160;Talbott is currently employed as a consultant by
    Patterson-UTI. Mr.&#160;Talbott holds a Bachelor of Science
    degree in petroleum engineering from Texas Tech University.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Board
    Leadership Structure and Role in Risk Oversight</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Board evaluates its leadership structure and role in risk
    oversight on an ongoing basis. The decision on whether to
    combine or separate the Chairman and Chief Executive Officer
    (&#147;CEO&#148;) role is determined on the basis of what the
    Board considers to be best for Patterson-UTI at any given point
    in time. Patterson-UTI&#146;s current Board leadership structure
    separates the role of Chairman and CEO. The Board also believes
    part of an effective Board leadership structure is to have a
    Lead Director. The Board has appointed Mr.&#160;Huff as the Lead
    Director. The independent directors meet regularly in executive
    sessions at which only independent directors are present, and
    the Lead Director chairs those sessions. The Lead Director
    serves as a liaison between the Chairman and the independent
    directors, consults with regard to Board and agenda items, and
    works with the chairpersons of Board committees as appropriate.
    The Nominating and Corporate Governance Committee and the Board
    currently believe that the Board&#146;s leadership structure,
    which includes the separation of the role of CEO and Chairman
    and the appointment of an independent Lead Director, is
    appropriate because it, among other things, provides for
    sufficient independence between the Board and management and for
    an independent director who provides board member leadership.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In March 2010, the Board adopted Corporate Governance
    Guidelines, which can be accessed electronically in the
    &#147;Governance&#148; section of Patterson-UTI&#146;s website
    at <U>www.patenergy.com</U>. The Guidelines describe one of the
    Board&#146;s primary responsibilities as overseeing
    Patterson-UTI&#146;s processes for assessing and managing risks.
    The Board discharges this responsibility, in part, through
    regular inquiries from the Chairman of the Board
    <FONT style="white-space: nowrap">and/or</FONT> the
    Lead Director to management, periodic communications from
    management to the Board of Directors of particular risks and
    events, and discussions during Board meetings with and without
    management of general and specific risks to Patterson-UTI.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Meetings
    and Committees of the Board of Directors</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Board of Directors met eight times during the year ended
    December&#160;31, 2009. Each director attended, in person or by
    telephone, at least 75% of the aggregate of all meetings held by
    the Board and meetings of each committee on which such director
    served. A majority of the members of the Board of Directors are
    independent within the meaning of the Nasdaq Stock Market, Inc.
    (&#147;Nasdaq&#148;) listing standards. Specifically, the Board
    has determined that Messrs.&#160;Buckner, Huff, Hunt and Peak
    are independent within the meaning of the Nasdaq listing
</DIV>
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    6
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    standards. In reaching this conclusion, the Board considered
    that Mr.&#160;Huff controls and manages two investment
    companies, which have interests in oilfield service portfolio
    companies that have supplied parts and equipment to
    Patterson-UTI in the ordinary course of their businesses
    consistent with customary terms in the industry. The Board has
    determined that these transactions are not material to such
    companies, Patterson-UTI or Mr.&#160;Huff and that such
    transactions do not affect Mr.&#160;Huff&#146;s independence
    under applicable rules and regulations.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Board of Directors has established four standing committees,
    an Executive Committee, an Audit Committee, a Compensation
    Committee and a Nominating and Corporate Governance Committee.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Executive Committee, which currently is composed of
    Messrs.&#160;Siegel, Talbott and Berns, has the authority, to
    the extent permitted by applicable law, to act for the Board in
    all matters arising between regular or special meetings of the
    Board of Directors.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Audit Committee members are Messrs.&#160;Buckner (chairman),
    Huff and Hunt, each of whom is independent within the meaning of
    applicable Securities Exchange Act of 1934, as amended (the
    &#147;Exchange Act&#148;), rules and within the meaning of the
    Nasdaq listing standards. The Audit Committee oversees
    management&#146;s conduct of Patterson-UTI&#146;s accounting and
    financial reporting process, including review of the financial
    reports and other financial information provided by
    Patterson-UTI to the public and government and regulatory
    bodies, Patterson-UTI&#146;s system of internal accounting,
    Patterson-UTI&#146;s financial controls, and the annual
    independent audit of Patterson-UTI&#146;s financial statements.
    The Audit Committee also oversees compliance with
    Patterson-UTI&#146;s codes of conduct and ethics and with legal
    and regulatory requirements. The Board has determined that
    Messrs.&#160;Buckner and Huff are &#147;audit committee
    financial experts&#148; within the meaning of applicable SEC
    rules. The Audit Committee selects the independent registered
    public accounting firm to audit Patterson-UTI&#146;s books and
    records and considers and acts upon accounting matters as they
    arise. The Board of Directors has adopted a written charter for
    the Audit Committee. The Audit Committee held five meetings
    during the year ended December&#160;31, 2009. Please see
    &#147;Audit Committee Report&#148; elsewhere in this proxy
    statement.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Compensation Committee members are Messrs.&#160;Hunt
    (chairman), Buckner, Huff and Peak, each of whom is independent
    as defined in the Nasdaq listing standards. Among other things,
    the Compensation Committee sets and administers the policies
    that govern the compensation of executive officers and directors
    of Patterson-UTI. The Board of Directors has adopted a written
    charter for the Compensation Committee. The Compensation
    Committee held five meetings during the year ended
    December&#160;31, 2009. Please see &#147;Compensation Discussion
    and Analysis&#148; and &#147;Compensation Committee Report&#148;
    elsewhere in this proxy statement for further information about
    the Compensation Committee.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Nominating and Corporate Governance Committee members are
    Messrs.&#160;Huff (chairman), Buckner and Peak, each of whom is
    independent as defined in the Nasdaq listing standards. The
    purpose of the Nominating and Corporate Governance Committee is
    to identify individuals qualified to become Board members, to
    recommend for selection by the Board director nominees for the
    next annual meeting of stockholders, to review
    Patterson-UTI&#146;s Code of Business Conduct, to develop and
    continually make recommendations with respect to the best
    corporate governance principles and to oversee the evaluation of
    the Board and management. The Board of Directors has adopted a
    written charter for the Nominating and Corporate Governance
    Committee. The Nominating and Corporate Governance Committee
    held two meetings during the year ended December&#160;31, 2009.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    All of the director nominees are existing directors of
    Patterson-UTI standing for re-election to the Board of Directors.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    On behalf of the Board, the Nominating and Governance Committee
    considers director nominees recommended by Patterson-UTI&#146;s
    stockholders if the recommendations are made in accordance with
    all legal requirements, including applicable provisions of
    Patterson-UTI&#146;s restated certificate of incorporation and
    bylaws. In accordance with Patterson-UTI&#146;s bylaws, in
    addition to any other applicable requirements, nominations of
    persons for election to the Board may be made at a meeting of
    stockholders only by or at the direction of the Board or by a
    stockholder who is a stockholder of record on the date of the
    giving of the notice provided for below and on the record date
    for the determination of stockholders entitled to vote at such
    annual meeting and gives timely notice of such nomination in
    writing to the Secretary of Patterson-UTI. To be timely with
    respect to the 2011 annual meeting of stockholders, a
    stockholder&#146;s notice must be delivered to or mailed and
    received at Patterson-UTI&#146;s principal
</DIV>
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    <BR>
    7
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    executive offices not earlier than December&#160;27, 2010 and
    not later than January&#160;26, 2011; provided, however, that in
    the event that the annual meeting is called for a date that is
    not within 30&#160;days before or after April&#160;26, 2011,
    notice by the stockholder must be received not later than the
    close of business on the tenth day following the day on which
    such notice of the date of the meeting was mailed or public
    disclosure of the annual meeting date was made, whichever occurs
    first.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    A stockholder&#146;s notice to the Secretary of Patterson-UTI
    shall set forth:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    as to each person whom the stockholder proposes to nominate for
    election or re-election as director, all information relating to
    such person that is required to be disclosed in solicitations of
    proxies for election of directors, or is otherwise required, in
    each case pursuant to Regulation&#160;14A promulgated under the
    Exchange Act, or any successor regulation thereto,
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the name and record address of the stockholder proposing such
    nomination,
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the class and number of shares of Patterson-UTI that are
    beneficially owned by the stockholder,
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    a description of all arrangements or understandings between such
    stockholder and each proposed nominee and any other person or
    persons (including their names) pursuant to which the nomination
    or nominations are to be made by such stockholder,&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    a representation that such stockholder intends to appear in
    person or by proxy at the meeting to nominate the persons named
    in the notice.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Such notice must be accompanied by a written consent of each
    proposed nominee to being named as a nominee and to serve as a
    director if elected.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Nominating and Corporate Governance Committee determines
    qualification criteria and procedures for the identification and
    recruitment of candidates for election to serve as directors of
    Patterson-UTI. The Nominating and Corporate Governance Committee
    relies on the knowledge and relationships of Patterson-UTI and
    its officers and directors, as well as third parties when it
    deems appropriate, to identify and evaluate nominees for
    director, including nominees recommended by stockholders. In
    evaluating a nominee for director, the Nominating and Corporate
    Governance Committee considers the nominee&#146;s skills,
    expertise, industry and other knowledge, personal and
    professional ethics, integrity and values, sound business
    judgment, willingness to commit sufficient time to the Board and
    be committed to representing the long-term interests of
    Patterson-UTI&#146;s stockholders. Although the Nominating and
    Corporate Governance Committee does not have a stand-alone
    policy with regard to consideration of diversity in identifying
    director nominees, it considers diversity in professional
    background, experience, expertise (including as to financial
    matters) and perspective (including as to age, gender and
    ethnicity) with respect to the Board of Directors composition as
    a whole when evaluating a director nominee.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Succession
    Planning</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Board of Directors oversees processes and procedures to
    provide continuity of well-qualified executive leadership and to
    assess whether such leadership possesses the skill and talent to
    execute Patterson-UTI&#146;s long term business strategies. The
    Board of Directors reviews the succession plan for the Chief
    Executive Officer and the senior executives tailored to reflect
    the Board&#146;s standards for executive leadership and
    Patterson-UTI&#146;s business strategy and vision. The
    succession plan addresses (i)&#160;both current and long term
    needs of Patterson-UTI and establishes a process for identifying
    and assessing potential internal candidates; (ii)&#160;periodic
    review and assessment of readiness: (iii)&#160;contingency
    planning for temporary absences of the Chief Executive Officer
    due to disability or other unexpected event; and (iv)&#160;long
    term continuity planning for succession to the Chief Executive
    Officer position.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Communication
    with the Board and its Independent Members</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Persons may communicate with the Board, or directly with its
    Chairman, Mr.&#160;Siegel, by submitting such communication in
    writing in care of Chairman of the Board of Directors,
    Patterson-UTI Energy, Inc., 450&#160;Gears Road, Suite&#160;500,
    Houston, Texas 77067. Persons may communicate with the
    independent members of the Board by
</DIV>
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    <BR>
    8
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    submitting such communication in writing to the Nominating and
    Corporate Governance Committee of the Board of Directors of
    Patterson-UTI Energy, Inc., 450 Gears Road, Suite&#160;500,
    Houston, Texas 77067.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Although Patterson-UTI does not have a formal policy regarding
    attendance by members of the Board at its annual meetings of
    stockholders, directors are invited to attend annual meetings of
    Patterson-UTI stockholders. Six directors attended the 2009
    annual meeting of stockholders with three directors attending in
    person and three directors attending via telephone.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Corporate
    Governance Documents Available on Patterson-UTI&#146;s
    Website</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Copies of each of the following documents can be accessed
    electronically in the &#147;Governance&#148; section of the
    Patterson-UTI website at <I>www.patenergy.com</I> and in print
    to any stockholder who requests them from the Secretary of
    Patterson-UTI:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Audit Committee Charter;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Compensation Committee Charter;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Nominating and Corporate Governance Committee Charter;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Corporate Governance Guidelines;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Code of Business Conduct for its employees, officers and
    directors;&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Code of Business Conduct and Ethics for Senior Financial
    Executives.
</TD>
</TR>

</TABLE>


<!-- link1 "PROPOSAL NO. 2" -->
<DIV align="left"><A NAME="006"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">PROPOSAL&#160;NO.&#160;2</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">AMENDMENT
    TO 2005 LONG-TERM INCENTIVE PLAN</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    On March&#160;9, 2010, our Board of Directors adopted, subject
    to stockholder approval, an amendment to the 2005 Long-Term
    Incentive Plan (as amended, the &#147;2005 Plan&#148;) that
    would increase the number of shares of Common Stock reserved for
    issuance under the 2005 Plan by 5,000,000&#160;shares (the
    &#147;Amendment&#148;). At the Meeting, the Patterson-UTI
    stockholders will be asked to vote on a proposal to approve the
    Amendment. Approval of the Amendment requires the affirmative
    vote of the holders of a majority of the shares of Common Stock
    that are present in person or by proxy and entitled to vote at
    the Meeting.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    On March&#160;9, 2010, our Board of Directors also adopted,
    subject to stockholder approval of the Amendment, an amendment
    to the 2005 Plan to (1)&#160;change the determination of the
    number of shares available for grant at any particular time
    under the 2005 Plan, (2)&#160;incorporate into the 2005 Plan the
    change of control definition that is currently contained in
    Patterson-UTI&#146;s forms of award agreement for executives,
    which are listed as exhibits to Patterson-UTI&#146;s Annual
    Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    for the year ended December&#160;31, 2009 and were previously
    filed with the SEC, (3)&#160;eliminate the discretion of the
    Board to designate an event that is not described in the change
    in control definition as a change in control event,
    (4)&#160;clarify that generally no option or stock appreciation
    right granted under the 2005 Plan may be repriced and
    (5)&#160;provide that dividend equivalents may not be granted
    with respect to performance awards unless the payment of the
    dividend equivalents are subject to the same performance
    conditions as the performance awards (the &#147;Share Multiple
    and Omnibus Amendment&#148;). Each share that is subject to
    awards other than options and stock appreciation rights
    (&#147;SARs&#148;) is currently counted as two (2.0) shares of
    Common Stock against the number of shares available for grant
    under the 2005 Plan. Additionally, each share of Common Stock
    that is subject to awards other than options and SARs that again
    becomes available for grant under the 2005 Plan is currently
    added back to the number of shares available for grant under the
    2005 Plan as two (2.0) shares. The Share Multiple and Omnibus
    Amendment would decrease the multiplier from two (2.0) to one
    and thirty-five one hundredths (1.35).
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Currently the 2005 Plan provides that the definition of a change
    of control of Patterson-UTI will be provided in an individual
    award agreement granted under the 2005 Plan and that the Board
    retains the discretion to determine the events that constitute a
    change of control of Patterson-UTI. The Share Multiple and
    Omnibus Amendment formally incorporates into the 2005 Plan the
    change of control definition that is currently contained in
    Patterson-
</DIV>
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    <BR>
    9
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    UTI&#146;s forms of award agreement for executives, which are
    listed as exhibits to Patterson-UTI&#146;s Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    for the year ended December&#160;31, 2009 and were previously
    filed with the SEC, and eliminates the discretion of the Board
    to designate an event that is not described in the change of
    control definition as a change of control event.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Currently, options are not permitted to be repriced under the
    2005 Plan. The provisions of the 2005 Plan do not preclude
    repricing stock appreciation rights granted under the 2005 Plan.
    The Share Multiple and Omnibus Amendment amends the Plan to
    provide that repricing is not permitted with respect to options
    or stock appreciation rights. Dividend equivalents may be
    granted by the Compensation Committee in connection with the
    various awards or as separate awards under the 2005 Plan and may
    be payable currently or, if applicable, deferred until the
    conditions of payment of the underlying award are satisfied.
    Under the Share Multiple and Omnibus Amendment, if dividend
    equivalents are granted in connection with performance unit or
    performance share awards, no dividend equivalents will be
    payable until the Compensation Committee determines that the
    performance conditions relating to the settlement of the
    performance unit or performance share award have been satisfied.
    The Share Multiple and Omnibus Amendment will become effective
    upon, and is subject to, the approval by the Patterson-UTI
    stockholders of the Amendment described in this
    Proposal&#160;No.&#160;2. Unless otherwise stated, the
    description of the 2005 Plan below does not give effect to the
    Amendment or the Share Multiple and Omnibus Amendment.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The 2005 Plan was approved by the Patterson-UTI stockholders in
    June 2005. The 2005 Plan was subsequently amended twice in 2008,
    with each amendment effective June&#160;5, 2008 (the &#147;2008
    Amendments&#148;). The first 2008 Amendment was approved by the
    Patterson-UTI stockholders in June 2008. The second 2008
    Amendment was not subject to the approval of Patterson-UTI
    stockholders but was approved by Patterson-UTI&#146;s Board of
    Directors contingent upon the approval of the first 2008
    Amendment by Patterson-UTI stockholders. All references to the
    2005 Plan in this discussion include a reference to the 2008
    Amendments.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Certain material features of the 2005 Plan are discussed below;
    however, the description is subject to, and qualified by the
    full text of the 2005 Plan, attached as <I>Appendix&#160;A</I>,
    which includes the Amendment highlighted in bold and the Share
    Multiple and Omnibus Amendment in italics.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Reasons
    for the Amendment to the 2005 Plan</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Board of Directors believes that the ability to grant
    stock-based compensation to Patterson-UTI&#146;s employees is
    crucial to Patterson-UTI&#146;s continuing ability to attract
    and retain qualified employees. Historically, the Board of
    Directors has relied on awards of stock options and restricted
    stock as part of its compensation philosophy and structure to
    recruit and retain certain key employees.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Board of Directors believes that the 2005 Plan advances the
    best interests of Patterson-UTI and its stockholders by helping
    to attract, retain and motivate its employees and directors. The
    2005 Plan provides for the grant of awards to selected
    employees, officers and non-employee directors, thereby
    increasing the personal stake of such persons in the continued
    success and growth of Patterson-UTI.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    As of December&#160;31, 2009, only 2,545,524&#160;shares of
    Common Stock remained available for grant under the 2005 Plan.
    The Board of Directors has determined that an increase in the
    number of shares available for grant under the 2005 Plan is
    necessary in order to continue to provide an adequate level of
    performance-based incentives to Patterson-UTI&#146;s executive
    management, other employees and directors and to continue the
    Board of Directors&#146; ongoing philosophy of utilizing
    stock-based compensation awards as part of Patterson-UTI&#146;s
    overall compensation structure. Therefore, the Board of
    Directors has approved an amendment to the 2005 Plan to increase
    the number of shares available for grant under the 2005 Plan by
    5,000,000&#160;shares.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Administration</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The 2005 Plan is administered by the Compensation Committee of
    Patterson-UTI&#146;s Board of Directors, which comprises
    exclusively non-employee independent directors. The 2005 Plan
    provides for the granting of incentive stock options
    (&#147;ISOs&#148;) that are intended to meet the provisions of
    Section&#160;422 of the Internal Revenue Code of 1986, as
    amended (the &#147;Code&#148;), and non-incentive stock options
    (&#147;NQSOs&#148;), as well as other awards, such as tandem and
    freestanding SARs, restricted stock awards, other stock unit
    awards, performance shares, performance units and
</DIV>
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    <BR>
    10
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    dividend equivalents. Certain awards under the 2005 Plan may be
    paid in cash or Common Stock, as determined by the Compensation
    Committee. The Compensation Committee has the exclusive
    authority to select the participants to whom awards may be
    granted under the 2005 Plan, and to determine the type, size and
    terms of each such award. The Compensation Committee also makes
    all determinations that it decides are necessary or desirable in
    the interpretation and administration of the 2005 Plan. In
    addition, the Compensation Committee may, if consistent with
    applicable rules, regulations and Nasdaq requirements, delegate
    to a committee of one or more directors or to one or more
    executive officers the right to grant, cancel and suspend awards
    to employees who are not directors or executive officers of
    Patterson-UTI.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">General
    Terms</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Without giving effect to the Amendment or the Share Multiple and
    Omnibus Amendment, both of which are described above in the
    beginning paragraphs of this Proposal No.&#160;2, the following
    describes general terms of the 2005 Plan:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The aggregate number of shares of Common Stock authorized for
    grant under the 2005 Plan is 10,250,000, reduced by the number
    of shares that are subject to awards granted under equity plans
    of Patterson-UTI existing during the period commencing on
    January&#160;1, 2005 and ending on the date the 2005 Plan was
    approved by the Patterson-UTI stockholders. Shares that are
    subject to options or SARs count as one (1.0) share of Common
    Stock against the aggregate number. Shares that are subject to
    other awards that were awarded prior to June&#160;5, 2008 count
    as one and six tenths (1.6) shares of Common Stock against the
    aggregate number and shares that are subject to other awards
    that were awarded on or after June&#160;5, 2008 count as two
    (2.0) shares of Common Stock against the aggregate number.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Generally, if an award granted under the 2005 Plan or the other
    existing equity plans of Patterson-UTI expires, is forfeited, is
    settled in cash or otherwise terminates without the issuance of
    all or a portion of the shares of Common Stock subject to the
    award, the shares allocable to the expired, forfeited, cash
    settled, or terminated portion of the award will be available
    for awards again under the 2005 Plan. Any shares of Common Stock
    that again become available for grant under the 2005 Plan will
    be added back as one (1.0) share if the shares were subject to
    options or SARs, and one and six tenths (1.6) shares if the
    shares were subject to awards other than options or SARs that
    were forfeited, expire or otherwise terminated prior to
    June&#160;5, 2008 or two (2.0) shares if the shares were subject
    to awards other than options or SARs that are forfeited, expire
    or otherwise terminate on or after June&#160;5, 2008.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Directors, employees, including officers, consultants and
    advisors are eligible for awards.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The 2005 Plan provides for awards of NQSOs, ISO, tandem and
    freestanding SARs, restricted stock awards, other stock unit
    awards, performance awards and dividend equivalents.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The Board of Directors, at any time, may amend the terms of the
    2005 Plan, subject to the stockholder approval requirements of
    Nasdaq and other rules and regulations applicable to
    Patterson-UTI.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Under the 2005 Plan, no participant may be granted
    (i)&#160;options or SARs during any
    <FONT style="white-space: nowrap">12-month</FONT>
    period with respect to more than 1,000,000&#160;shares of Common
    Stock or (ii)&#160;restricted stock, performance awards
    <FONT style="white-space: nowrap">and/or</FONT> other
    stock unit awards that are denominated in shares in any
    <FONT style="white-space: nowrap">12-month</FONT>
    period with respect to more than 500,000&#160;shares. In
    addition to the foregoing limits, the maximum dollar value
    payable to any participant in any
    <FONT style="white-space: nowrap">12-month</FONT>
    period with respect to performance awards is $5,000,000.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Options</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The vesting schedule for options is set by the Compensation
    Committee; however, options may not fully vest sooner than one
    year from the date of grant, except for certain limited
    exceptions.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The term of options is set by the Compensation Committee, but
    may not exceed 10&#160;years.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The exercise price for options may be paid in cash, with
    previously acquired shares of Common Stock, or by other means
    approved by the Compensation Committee.
</TD>
</TR>

</TABLE>
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    <BR>
    11
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Each option granted under the 2005 Plan is granted with an
    exercise price equal to or greater than the fair market value of
    the Common Stock at the time such option is granted.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">SARs</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    SARs may be granted alone or in connection with the grant of any
    option or other award.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Each SAR granted under the 2005 Plan is granted with a grant
    price equal to or greater than the fair market value of the
    Common Stock at the time such SAR is granted.
</TD>
</TR>

<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    SARs granted alone may be exercised at such times and be subject
    to such terms and conditions as the Compensation Committee may
    impose. SARs that are granted in tandem with options may be
    exercised only on the surrender of the right to purchase an
    equivalent number of shares under the related options and may be
    exercised only with respect to the shares of Common Stock for
    which the related options are then exercisable.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The term of SARs may not exceed 10&#160;years.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    A SAR entitles a participant to surrender any then exercisable
    portion of the SAR and, if applicable, the related option, in
    exchange for an amount equal to the excess of (1)&#160;the fair
    market value of a share of Common Stock on the date of exercise
    over (2)&#160;the grant price of the SAR on the date that the
    SAR was granted, or, if the SAR is related to an option, as
    specified by the Compensation Committee in its sole discretion,
    subject to certain limitations.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Upon the exercise of a SAR, payment shall be made in whole
    shares of Common Stock.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Restricted
    Stock Awards</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The Compensation Committee determines the material terms of the
    restricted stock awards, including the price, if any, to be paid
    by the recipient, and the vesting schedule and conditions, which
    may include the attainment of specified performance objectives
    described below.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    A restricted stock award that is subject solely to continued
    employment restrictions of employees of Patterson-UTI may not
    fully vest sooner than three years from the date of grant,
    except for certain limited exceptions.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Beginning on the date of grant, a participant receiving a
    restricted stock award will become a stockholder of
    Patterson-UTI with respect to all shares of Common Stock subject
    to the restricted stock award, which, unless the Compensation
    Committee determines otherwise at the time of the grant,
    includes the right to vote such shares and receive regular,
    ordinary dividends in respect of such shares.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Other
    Stock Units</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The Compensation Committee may grant other stock unit awards
    under the 2005 Plan, which have a value equal to an identical
    number of shares of Common Stock. Other stock unit awards may
    also be a form of payment for other awards granted under the
    2005 Plan and other earned cash-based incentive compensation.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The payment of other stock units may be in cash, shares of
    Common Stock, other property, or any combination of the
    foregoing, and may be made in a lump sum or, in accordance with
    procedures established by the Compensation Committee, on a
    deferred basis subject to the requirements of Section&#160;409A
    of the Code.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Other stock unit awards that are subject solely to continued
    employment restrictions of employees of Patterson-UTI may not
    fully vest sooner than three years from the date of grant,
    except for certain limited exceptions.
</TD>
</TR>

</TABLE>
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    <BR>
    12
</DIV><!-- END PAGE WIDTH -->
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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Dividend
    Equivalent Rights</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The Compensation Committee may grant dividend equivalent rights
    either in connection with awards or as separate awards under the
    2005 Plan. Amounts payable in respect of dividend equivalent
    rights may be payable currently or, if applicable, deferred
    until the lapsing of restrictions on the dividend equivalent
    rights or until the vesting, exercise, payment, settlement or
    other lapse of restrictions on the award to which the dividend
    equivalent rights relate.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    No SARs have been granted under the 2005 Plan and no option
    granted under the 2005 Plan has included dividend equivalent
    rights.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Performance
    Awards</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Performance awards are payable in cash, shares of Common Stock,
    other property, or a combination of the foregoing, and may be
    paid in a lump sum, in installments, or on a deferred basis in
    accordance with procedures established by the Compensation
    Committee.
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The Compensation Committee determines the material terms of the
    performance awards, including a performance period over which
    the performance goal of such award shall be measured, which must
    be at least 12&#160;months and no longer than five years.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Deferrals</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    The Compensation Committee may require or permit a participant
    to defer the receipt of cash or shares pursuant to any awards
    under the 2005 Plan. Any deferral permitted under the 2005 Plan
    will be administered in a manner that is intended to comply with
    Section&#160;409A of the Code.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Effect of
    Certain Transactions and Change of Control</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Without giving effect to the Amendment or the Share Multiple and
    Omnibus Amendment, both of which are described above in the
    beginning paragraphs of this Proposal No.&#160;2, the following
    describes the effects of certain transactions and a change of
    control:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Compensation Committee may provide in the terms of an award
    under the 2005 Plan that, on a change of control as defined in
    the award agreement,
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    options and SARs outstanding on the date of the change of
    control immediately vest;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    options and SARs outstanding on the date of the change of
    control may be cancelled and terminated without payment if the
    fair market value of a share of Common Stock on the date of the
    change of control is less than the per share option exercise
    price or SAR grant price;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    restrictions and deferral limitations on restricted stock lapse
    and the restricted stock becomes free of all restrictions and
    limitations and becomes fully vested;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    all performance awards shall be considered to be earned and
    payable and any deferral or other restriction shall lapse and
    the performance awards shall be immediately settled or
    distributed to the extent permitted under Section&#160;409A of
    the Code;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    restrictions and deferral limitations and other conditions
    applicable to any other stock unit awards or any other awards
    lapse, and the other stock unit awards and other awards become
    free of all restrictions, limitations or conditions and become
    fully vested and transferable to the full extent of the original
    grant to the extent permitted under Section&#160;409A of the
    Code;&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    such other additional benefits as the Compensation Committee
    deems appropriate shall apply.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Compensation Committee, in its discretion, may determine
    that, upon a change of control, each option and SAR shall
    terminate within a specified period of days after notice to the
    participant, or that with respect to such option or SAR each
    participant shall receive an amount equal to the excess of the
    fair market value of such share immediately prior to the
    occurrence of the change of control over the exercise price per
    share of such option or SAR. The payment may be made in one or
    more kinds of stock or property or a combination of stock or
    property. Further,
</DIV>
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    <BR>
    13
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    in the event of changes in the capital or corporate structure of
    Patterson-UTI due to events such as recapitalization, stock
    split, merger, spin-off or similar transaction, that affect the
    shares of Common Stock, the Compensation Committee, in its sole
    discretion, may determine that it is equitable or appropriate to
    make adjustments or substitutions to the Plan or outstanding
    options and awards, including to the number, class, kind and
    option or exercise price or securities subject to awards.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Currently the 2005 Plan provides that the definition of a change
    of control of Patterson-UTI will be provided in an individual
    award agreement granted under the 2005 Plan and that the Board
    retains the discretion to determine the events that constitute a
    change of control of Patterson-UTI. Subject to the Share
    Multiple and Omnibus Amendment becoming effective, it formally
    incorporates into the 2005 Plan the change of control definition
    that is currently contained in Patterson-UTI&#146;s forms of
    award agreements for executives, which are listed as exhibits to
    Patterson-UTI&#146;s Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    for the year ended December&#160;31, 2009 and were previously
    filed with the SEC, and eliminates the discretion of the Board
    to designate an event that is not described in the change of
    control definition as a change of control event.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Performance
    Criteria</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    If the Compensation Committee determines that
    Section&#160;162(m) of the Code (see &#147;Federal Income Tax
    Consequences&#160;&#151; Performance-Based Compensation&#148;
    below) applies (or is likely to apply) to a restricted stock
    award, performance award or other stock unit award, the lapsing
    of restrictions on the award and the distribution of cash,
    shares or other property pursuant to such award, shall be
    subject to the achievement of one or more objective performance
    goals established by the Compensation Committee, which shall be
    based on attaining specified levels in one or more areas, such
    as: net sales; revenue growth; pre-tax income before allocation
    of corporate overhead and bonus; earnings per share; operating
    income or net income; return on stockholders&#146; equity;
    attainment of strategic and operational initiatives;
    appreciation in
    <FONT style="white-space: nowrap">and/or</FONT>
    maintenance of the price of the Common Stock or other
    publicly-traded securities of Patterson-UTI; market share; gross
    profits; earnings before taxes or before interest and taxes or
    before interest, taxes, depreciation, depletion and
    amortization; comparisons with various stock market indices;
    improvement in or attainment of expense levels or working
    capital levels; cash margins; safety records; and rig
    utilization and rig count growth. Performance goals may be
    measured solely by reference to Patterson-UTI&#146;s performance
    or the performance of a subsidiary, division, business segment
    or business unit of Patterson-UTI, or based upon the relative
    performance of other companies or upon comparisons of any of the
    indicators of performance relative to other companies, in each
    case as specified by the Compensation Committee in the award.
    The Compensation Committee also may adjust performance goals to
    reflect the impact of specified events, occurrences or
    transactions, accounting or tax law changes or other
    extraordinary or nonrecurring events.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Federal
    Income Tax Consequences</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following discussion summarizes certain federal income tax
    consequences of the issuance and receipt of awards pursuant to
    the 2005 Plan under the law as in effect on the date of this
    proxy statement. The rules governing the tax treatment of such
    awards are quite technical, so the following discussion of tax
    consequences is necessarily general in nature and is not
    complete. In addition, statutory provisions are subject to
    change, as are their interpretations, and their application may
    vary in individual circumstances. This summary does not purport
    to cover all federal employment tax or other federal tax
    consequences associated with the 2005 Plan, nor does it address
    state, local, or
    <FONT style="white-space: nowrap">non-U.S.&#160;taxes.</FONT>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">ISOs</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In general, a participant will not recognize income upon the
    grant or exercise of an ISO. However, if the participant is
    subject to federal &#147;alternative minimum tax,&#148; the
    exercise of an ISO will be treated essentially the same as a
    NQSO for purposes of the alternative minimum tax (<I>see NQSOs,
    SARs, Performance Award, and Other Stock Unit Award </I>below).
    Subject to certain exceptions for death or disability, if a
    participant exercises an ISO more than three months after
    termination of employment, the exercise of the option will be
    taxed as the exercise of a NQSO, as described below.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The general rule is that gain or loss from the sale or exchange
    of shares acquired on the exercise of an ISO will be treated as
    capital gain or loss. However, if shares acquired upon the
    exercise of an ISO are disposed of within two
</DIV>
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    <BR>
    14
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    years from the date of grant or within one year after exercise
    (a &#147;disqualifying disposition&#148;), the participant
    generally will recognize ordinary income in the year of
    disposition in an amount equal to the fair market value of the
    shares at the time of exercise (or, if less, the amount realized
    on the disposition of the shares) less the exercise price. Any
    further gain (or loss) realized by the participant generally
    will be taxed as short-or long-term capital gain (or loss)
    depending on the holding period.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">NQSOs,
    SARs, Performance Award, and Other Stock Unit
    Award</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    A participant generally is not required to recognize income on
    the grant of a NQSO, a SAR, performance award or other stock
    unit award. Instead, ordinary income generally is required to be
    recognized on the date the NQSO or SAR is exercised, or in the
    case of performance awards or other stock unit awards, upon the
    issuance of shares
    <FONT style="white-space: nowrap">and/or</FONT> the
    payment of cash pursuant to the terms of the award. In general,
    the amount of ordinary income required to be recognized is,
    (a)&#160;in the case of a NQSO, an amount equal to the excess,
    if any, of the fair market value of the shares on the exercise
    date over the exercise price, (b)&#160;in the case of a SAR, the
    fair market value of any shares received upon exercise plus the
    amount of taxes withheld from such amounts, and (c)&#160;in the
    case of performance awards or other stock unit awards, the
    amount of cash
    <FONT style="white-space: nowrap">and/or</FONT> the
    fair market value of any shares received in respect thereof,
    plus the amount of taxes withheld from such amounts.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Restricted
    Common Stock</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Unless a participant who receives an award of restricted Common
    Stock makes an election under Section&#160;83(b) of the Code as
    described below, the participant generally is not required to
    recognize ordinary income on the award of restricted Common
    Stock. Instead, on the date the shares vest (<I>i.e.</I>, become
    transferable and no longer subject to forfeiture), the
    participant will be required to recognize ordinary income in an
    amount equal to the excess, if any, of the fair market value of
    the shares on such date over the amount, if any, paid for such
    shares. If a Section&#160;83(b) election has not been made, any
    dividends received with respect to restricted Common Stock that
    are subject at that time to a risk of forfeiture or restrictions
    on transfer generally will be treated as compensation that is
    taxable as ordinary income to the recipient. If a participant
    makes a Section&#160;83(b) election within 30&#160;days of the
    date of transfer of the restricted Common Stock, the participant
    will recognize ordinary income on the date the shares are
    awarded. The amount of ordinary income required to be recognized
    is an amount equal to the excess, if any, of the fair market
    value of the shares on the date of award over the amount, if
    any, paid for such shares. In such case, the participant will
    not be required to recognize additional ordinary income when the
    shares vest. However, if the shares are later forfeited, a loss
    can only be recognized up to the amount the participant paid, if
    any, for the shares.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Gain
    or Loss on Sale or Exchange of Shares</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In general, gain or loss from the sale or exchange of shares
    granted or awarded under the 2005 Plan will be treated as
    capital gain or loss, provided that the shares are held as
    capital assets at the time of the sale or exchange. However, if
    certain holding period requirements are not satisfied at the
    time of a sale or exchange of shares acquired upon exercise of
    an ISO (a &#147;disqualifying disposition,&#148; <I>see
    </I>above), a participant generally will be required to
    recognize ordinary income upon such disposition.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Deductibility
    by Patterson-UTI</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    To the extent that a participant recognizes ordinary income in
    the circumstances described above, Patterson-UTI or its
    subsidiary for which the participant performs services will be
    entitled to a corresponding deduction, provided that, among
    other things, the income meets the test of reasonableness, is an
    ordinary and necessary business expense, is not an &#147;excess
    parachute payment&#148; within the meaning of Section&#160;280G
    of the Code and is not disallowed by the $1&#160;million
    limitation on certain executive compensation under
    Section&#160;162(m) of the Code (<I>see Performance Based
    Compensation </I>and <I>Parachute Payments</I> below).
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Performance
    Based Compensation</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In general, under Section&#160;162(m) of the Code, remuneration
    paid by a public corporation to its principal executive officer
    or its three most highly compensated executive officers
    (excluding the principal executive officer
</DIV>
<!-- XBRL Paragraph Pagebreak -->
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<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    15
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    and the principal financial officer of the corporation), ranked
    by pay, is not deductible to the extent it exceeds
    $1&#160;million for any year. Taxable payments or benefits under
    the 2005 Plan may be subject to this deduction limit. However,
    under Section&#160;162(m) of the Code, qualifying
    performance-based compensation, including income from stock
    options and other performance-based awards that are made under
    shareholder approved plans and that meet certain other
    requirements, is exempt from the deduction limitation. The 2005
    Plan has been designed so that the Compensation Committee in its
    discretion may grant qualifying exempt performance-based awards
    under the 2005 Plan.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Parachute
    Payments</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Under the so-called &#147;golden parachute&#148; provisions of
    the Code, the accelerated vesting of stock options and benefits
    paid under other awards in connection with a change of control
    of a corporation may be required to be valued and taken into
    account in determining whether participants have received
    compensatory payments, contingent on the change of control, in
    excess of certain limits. If these limits are exceeded, a
    portion of the amounts payable to the participant may be subject
    to an additional 20% federal tax and may be nondeductible to the
    corporation.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Withholding</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Awards under the 2005 Plan may be subject to tax withholding.
    Where an award results in income subject to withholding,
    Patterson-UTI may require the participant to remit the
    withholding amount to Patterson-UTI or cause shares of Common
    Stock to be withheld or sold in order to satisfy the tax
    withholding obligations.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Section&#160;409A</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Awards of SARs, performance awards, or other stock unit awards
    under the 2005 Plan may, in some cases, result in the deferral
    of compensation that is subject to the requirements of
    Section&#160;409A of the Code. Generally, if deferrals of these
    awards fail to meet the requirements of Section&#160;409A of the
    Code, the compensation payable under these awards will be
    subject to immediate taxation and tax penalties in the year in
    which the awards vest. It is the intent of Patterson-UTI that
    awards under the 2005 Plan will be structured and administered
    in a manner that complies with the requirements of
    Section&#160;409A of the Code.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Summary
    Information Pertaining to all Equity Compensation Plans of
    Patterson-UTI</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following information summarizes as of December&#160;31,
    2009 certain information regarding Patterson-UTI&#146;s equity
    compensation plans. For a more detailed description of the
    equity compensation plans, see Note&#160;11 of
    Patterson-UTI&#146;s audited financial statements contained in
    its Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    for the fiscal year ended December&#160;31, 2009.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="54%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="9%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="10%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=04 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=04 type=lead -->
    <TD width="13%" align="right">&nbsp;</TD>	<!-- colindex=04 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=04 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="10" align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Equity Compensation Plan Information</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Number of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Number of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Securities<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Securities to<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Weighted-<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Remaining Available<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>be Issued upon<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Average Exercise<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>for Future Issuance<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Exercise of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Price of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>under Equity<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Outstanding<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Outstanding<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Compensation Plans<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Options,<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Options,<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>(Excluding<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Warrants and<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Warrants and<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Securities Reflected<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Plan Category</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Rights</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Rights</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>in Column(a))</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>(a)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>(b)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>(c)</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Equity compensation plans approved by security holders(1)
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    6,627,634
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    20.50
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    2,545,524
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Equity compensation plans not approved by security holders(2)
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    214,136
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    9.97
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="font-size: 1pt">
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD style="border-top: 1px solid #000000">
&nbsp;
</TD>
<TD style="border-top: 1px solid #000000">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD style="border-top: 1px solid #000000">
&nbsp;
</TD>
<TD style="border-top: 1px solid #000000">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Total
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    6,841,770
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    20.17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    2,545,524
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="font-size: 1pt">
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD style="border-top: 3px double #000000">
&nbsp;
</TD>
<TD style="border-top: 3px double #000000">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD style="border-top: 3px double #000000">
&nbsp;
</TD>
<TD style="border-top: 3px double #000000">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 13%;  align: left; border-bottom: 1pt solid #000000"></DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (1) </TD>
    <TD></TD>
    <TD valign="bottom">
    The 2005 Plan provides for awards of incentive stock options,
    non-incentive stock options, tandem and freestanding stock
    appreciation rights, restricted stock awards, other stock unit
    awards, performance share </TD>
</TR>
<!-- XBRL Paragraph Pagebreak -->

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    16
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD valign="top">
</TD>
    <TD></TD>
    <TD valign="bottom">
    awards, performance unit awards and dividend equivalents to key
    employees, officers and directors, which are subject to certain
    vesting and forfeiture provisions. All options are granted with
    an exercise price equal to or greater than the fair market value
    of the common stock at the time of grant. The vesting schedule
    and term are set by the Compensation Committee of the Board of
    Directors. All securities remaining available for future
    issuance under equity compensation plans approved by security
    holders in column (c)&#160;are available under this plan. None
    of the stock options granted under the 2005 Plan or any other
    equity compensation plan approved by security holders has been
    granted with rights to receive cash dividends or dividend
    equivalent rights.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (2) </TD>
    <TD></TD>
    <TD valign="bottom">
    The Amended and Restated Patterson-UTI Energy, Inc. 2001
    Long-Term Incentive Plan (the &#147;2001 Plan&#148;) was
    approved by the Board of Directors in July 2001. In connection
    with the approval of the 2005 Plan, the Board of Directors
    approved a resolution that no further options, restricted stock
    or other awards would be granted under any equity compensation
    plan, other than the 2005 Plan. The terms of the 2001 Plan
    provided for grants of stock options, stock appreciation rights,
    shares of restricted stock and performance awards to eligible
    employees other than officers and directors. No Incentive Stock
    Options could be awarded under the Plan. All options were
    granted with an exercise price equal to or greater than the fair
    market value of the common stock at the time of grant. The
    vesting schedule and term were set by the Compensation Committee
    of the Board of Directors. None of the stock options granted
    under the 2001 Plan has been granted with rights to receive cash
    dividends or dividend equivalent rights.</TD>
</TR>

</TABLE>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Additional
    Information Regarding the 2005 Plan</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    As of March&#160;9, 2010, the closing price of
    Patterson-UTI&#146;s common stock on the Nasdaq Global Select
    Market was $15.30 per share. Except for receipt of the option
    exercise price when and if options are exercised, Patterson-UTI
    receives no consideration in connection with the award of
    options or restricted stock under the 2005 Plan. Patterson-UTI
    has not determined the type, number and other terms of awards
    under the 2005 Plan that will be granted in the future to
    eligible directors and nominees, executive officers, officers as
    a group, or non-officer employees as a group as that
    determination is subject to the discretion of the Compensation
    Committee.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>The Board of Directors recommends a vote &#147;FOR&#148; the
    approval of the Amendment to the 2005
    Plan.</B>&#160;&#160;Approval of the Amendment requires the
    affirmative vote of the holders of a majority of the shares of
    Common Stock present in person or by proxy, and entitled to vote
    at the Meeting. If you do not vote against or abstain from
    voting on the Amendment to the 2005 Plan, your proxy will be
    voted &#147;FOR&#148; approval of the Amendment to the 2005
    Plan. Abstentions will be counted as shares entitled to vote on
    the proposal and will have the same effect as a vote
    &#147;AGAINST&#148; the proposal. A broker non-vote will be
    counted for purposes of establishing a quorum, but will not be
    treated as a share entitled to vote on the proposal. This will
    have the effect of reducing the absolute number of shares
    necessary to approve the proposal.
</DIV>


<!-- link1 "PROPOSAL NO. 3" -->
<DIV align="left"><A NAME="007"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">PROPOSAL&#160;NO.&#160;3</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">RATIFICATION
    OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Audit Committee appointed PricewaterhouseCoopers LLP as the
    independent registered public accounting firm to audit the
    financial statements of Patterson-UTI for the fiscal year ending
    December&#160;31, 2010, and directed that such engagement be
    submitted to the stockholders of Patterson-UTI for ratification.
    In recommending ratification by the stockholders of such
    engagement, the Board of Directors is acting upon the
    recommendation of the Audit Committee, which has satisfied
    itself as to PricewaterhouseCoopers LLP&#146;s independence,
    professional competence and standing. Although ratification by
    stockholders of the engagement of PricewaterhouseCoopers LLP is
    not required by Delaware corporate law or Patterson-UTI&#146;s
    restated certificate of incorporation or bylaws, the Audit
    Committee believes a decision of this nature should be made with
    the consideration of Patterson-UTI&#146;s stockholders. If the
    stockholders fail to ratify the appointment, the Audit Committee
    will reconsider whether to retain PricewaterhouseCoopers LLP and
    may retain that firm or another without re-submitting the matter
    to our stockholders. Even if the appointment is ratified, the
    Audit Committee may, in its discretion, direct the appointment
    of a different independent registered public accounting firm at
    any time during the year if it determines that such change would
    be in the best interests of Patterson-UTI and its stockholders.
</DIV>
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    <BR>
    17
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    It is expected that one or more representatives of
    PricewaterhouseCoopers LLP will be present at the Meeting and
    will be given the opportunity to make a statement if they so
    desire. It also is expected that the representative(s) will be
    available to respond to appropriate questions from the
    stockholders.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>The Board of Directors recommends a vote &#147;FOR&#148; the
    ratification of PricewaterhouseCoopers LLP as
    Patterson-UTI&#146;s independent registered public accounting
    firm.</B>&#160;&#160;Ratification of the selection of
    PricewaterhouseCoopers LLP requires the affirmative vote of the
    holders of a majority of the shares of Common Stock present in
    person or by proxy, and entitled to vote at the Meeting. Unless
    you give contrary instructions in your proxy, your proxy will be
    voted &#147;FOR&#148; such ratification. Abstentions will be
    counted as shares entitled to vote on the proposal and will have
    the same effect as a vote &#147;AGAINST&#148; the proposal.
    Because the ratification of an independent registered public
    accounting firm is considered a routine matter, if you do not
    give instructions to your brokerage firm, bank, broker-dealer,
    or other similar organization, the brokerage firm, bank,
    broker-dealer, or other similar organization will nevertheless
    be entitled to vote your shares in its discretion and may give
    or authorize the giving of a proxy to vote the shares in its
    discretion on this proposal.
</DIV>


<!-- link1 "EXECUTIVE OFFICERS" -->
<DIV align="left"><A NAME="008"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">EXECUTIVE
    OFFICERS</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Set forth below is the name, age and position followed by a
    brief description of the business experience during at least the
    past five years for each executive officer of Patterson-UTI who
    is not also a member of the Board of Directors.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="43%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=quadleft -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=maindata -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=quadright -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="52%">&nbsp;</TD>	<!-- colindex=03 type=maindata -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Name</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Age</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="center" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Position</B>
</DIV>
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Douglas J. Wall
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    57
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    President and Chief Executive Officer
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    John E. Vollmer III
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    54
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    Senior Vice President&#160;&#151;&#160;Corporate Development,
    Chief Financial Officer and Treasurer
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Seth D. Wexler
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    38
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    General Counsel and Secretary
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Gregory W. Pipkin
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD>&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    38
</TD>
<TD>&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    Chief Accounting Officer and Assistant Secretary
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Douglas J. Wall</I>&#160;&#151; Mr.&#160;Wall has served as
    President and Chief Executive Officer of Patterson-UTI since
    October 2007. From April through September 2007 he served as
    Chief Operating Officer of Patterson-UTI. From 2005 to April
    2007, Mr.&#160;Wall served as Group President, Completion and
    Production of Baker Hughes Incorporated, an oilfield service
    company. In that capacity, Mr.&#160;Wall was responsible for the
    combined activities of Baker Oil Tools, Baker Petrolite,
    Centrilift and ProductionQuest divisions. From 2003 to 2005 he
    served as President of Baker Oil Tools, a division of Baker
    Hughes, and from 1997 to 2003 he served as President of Hughes
    Christensen Company, a division of Baker Hughes. Mr.&#160;Wall
    holds a Bachelor Degree in Economics from the University of
    Calgary and a Masters of Business Administration in Finance and
    Marketing from the University of Alberta.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>John E. Vollmer III</I>&#160;&#151; Mr.&#160;Vollmer has
    served as Chief Financial Officer and Treasurer of Patterson-UTI
    since November 2005 and Senior Vice President&#160;&#151;
    Corporate Development of Patterson-UTI since May 2001.
    Mr.&#160;Vollmer also served as Secretary of Patterson-UTI from
    November 2005 to February 2007. Mr.&#160;Vollmer served as
    Senior Vice President, Chief Financial Officer, Secretary and
    Treasurer of UTI from 1998 to May 2001. From 1992 until 1997,
    Mr.&#160;Vollmer served in a variety of capacities at
    Blockbuster Entertainment, including Senior Vice
    President&#160;&#151; Finance and Chief Financial Officer of
    Blockbuster Entertainment&#146;s Music Division.
    Mr.&#160;Vollmer holds a Bachelor of Arts in Accounting from
    Michigan State University.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Seth D. Wexler</I>&#160;&#151; Mr.&#160;Wexler has served as
    General Counsel and Secretary of Patterson-UTI since August
    2009. From March 1998 to August 2009, he specialized in
    securities law and mergers and acquisitions for the law firm of
    Fulbright&#160;&#038; Jaworski L.L.P., including as a partner of
    such law firm since January 2007. Mr.&#160;Wexler holds a
    Bachelor of Business Administration in Finance from the
    University of Texas at Austin, a Juris Doctorate from the
    University of Houston Law Center and a Masters of Business
    Administration from the University of Houston.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Gregory W. Pipkin</I>&#160;&#151; Mr.&#160;Pipkin has served
    as Chief Accounting Officer and Assistant Secretary of
    Patterson-UTI since August 2007. From June 2006 to August 2007,
    Mr.&#160;Pipkin served as Director of Financial Reporting of
    Patterson-UTI. From April 2001 through May 2006, Mr.&#160;Pipkin
    was Controller and Vice President of Accounting and Reporting
    for Alamosa Holdings, Inc., a publicly traded wireless
    telecommunications company. Prior to April
</DIV>
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    <BR>
    18
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    2001, Mr.&#160;Pipkin was in the practice of public accounting.
    Mr.&#160;Pipkin is a Certified Public Accountant and holds a
    Bachelor of Business Administration in Accounting from Texas
    Tech University.
</DIV>


<!-- link1 "COMPENSATION DISCUSSION AND ANALYSIS" -->
<DIV align="left"><A NAME="009"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">COMPENSATION
    DISCUSSION AND ANALYSIS</FONT></B>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Overview</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Compensation
    Committee</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Compensation Committee (the &#147;Committee&#148;) sets and
    administers the policies that govern the compensation of
    executive officers and directors of Patterson-UTI. As part of
    its duties, the Committee determines the compensation of
    Patterson-UTI&#146;s executive officers who are named in the
    Summary Compensation Table appearing elsewhere in this proxy
    statement (the &#147;Named Executive Officers&#148;) and grants
    all awards of restricted stock, stock options and performance
    units under Patterson-UTI&#146;s long-term incentive plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Committee currently consists of Messrs.&#160;Hunt
    (chairman), Buckner, Huff and Peak, each of whom is an
    independent director as defined by the Nasdaq listing standards.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Compensation
    Objectives</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Committee&#146;s objectives are to provide to the Named
    Executive Officers competitive compensation packages that will
    permit Patterson-UTI to attract and retain highly qualified
    individuals and to motivate and reward the Named Executive
    Officers for performance that benefits Patterson-UTI and its
    stockholders.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Role
    of Management and Compensation Consultant</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    All compensation decisions with respect to the Named Executive
    Officers of Patterson-UTI are made solely by the Committee. The
    Committee is permitted under its charter to delegate any of its
    powers to a subcommittee of the Committee. In performing its
    duties, the Committee considers input from senior management on
    individual performance and compensation matters.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    For 2009, the Committee engaged Towers Perrin (who pursuant to a
    January 2010 merger is now known as Towers Watson (&#147;Towers
    Perrin&#148;)), an independent compensation consultant, who
    reported directly to the Committee to evaluate and make
    recommendations to the Committee regarding Patterson-UTI&#146;s
    executive compensation philosophy and practices. Towers Perrin
    reviewed the executive salaries, non-equity incentive
    compensation and long-term incentives for competitiveness with
    similarly situated oilfield service companies. Towers Perrin was
    provided a proposed representative peer group within the
    oilfield services industry based on various criteria and was
    provided information as to the responsibilities of the members
    of Patterson-UTI&#146;s executive team in relationship to its
    peers. Towers Perrin also analyzed Patterson-UTI&#146;s share
    utilization as compared to its peers for purposes of assessing
    dilution resulting from awards under Patterson-UTI&#146;s
    incentive plans. Towers Perrin was asked to provide its advice
    as to Patterson-UTI&#146;s incentive plans and the
    Committee&#146;s proposed compensation of the Named Executive
    Officers and the reasonableness of that compensation.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    For 2009, the Committee reviewed compensation data from the
    following peer group of companies: BJ Services Company, Cameron
    International Corporation, Diamond Offshore Drilling Inc., Ensco
    International Inc., FMC Technologies Inc., Helmerich&#160;&#038;
    Payne Inc., Nabors Industries Ltd., National Oilwell Varco Inc.,
    Noble Corp., Pride International, Inc., Rowan Companies Inc.,
    Smith International Inc., Transocean Inc. and Weatherford
    International Ltd. Towers Perrin provided information to the
    Committee to assist it in benchmarking individual and aggregate
    executive compensation against such peer group of companies.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Elements
    of Compensation</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI&#146;s compensation program for its Named
    Executive Officers includes three primary elements:
    (1)&#160;base salary, (2)&#160;non-equity incentive compensation
    in the form of cash bonuses and (3)&#160;long-term incentive
    opportunities in the form of restricted stock, stock options and
    performance units. Below is a summary of each element of
    compensation. The general intent of the base salary for the
    Named Executive Officers was for that
</DIV>
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    <BR>
    19
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    compensation to be around the 50th&#160;percentile of the peer
    group and for incentive and equity based compensation to be
    above the 66th&#160;percentile. These objectives were
    established based on Patterson-UTI&#146;s historical top tier
    performance on returns on assets and equity and long-term share
    value creation as compared to peers.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In determining compensation for the Named Executive Officers for
    2009, the Committee considered a variety of information,
    including:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    compensation for executive officers at similarly situated
    oilfield service companies;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the portion of cash compensation that would be directly related
    to cash generated by operations;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    historical and projected financial and operational results at
    Patterson-UTI, including margins achieved, rig utilization, net
    income and earnings before interest, taxes, depreciation and
    amortization (&#147;EBITDA&#148;) and return on equity and
    assets;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    historical stock performance;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    operational and strategic objectives of Patterson-UTI;&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    individual performance.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Base
    Salary</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Historically, the Committee has emphasized performance-based
    compensation in the form of non-equity and equity incentive
    compensation and has minimized salary adjustments. In February
    2007, the base salary of Mr.&#160;Berns was increased from
    $215,000 to $265,000. In October 2007, upon being named
    President and Chief Executive officer of Patterson-UTI,
    Mr.&#160;Wall&#146;s base salary was increased from $450,000 to
    $600,000. In February 2008, the base salary of Mr.&#160;Vollmer
    was increased from $275,000 to $350,000.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The base salaries of Named Executive Officers are reviewed and
    determined annually by the Committee based on
    (i)&#160;subjective evaluations of the officer&#146;s functional
    position and specific performance, (ii)&#160;assessment of the
    relative importance of each position at Patterson-UTI,
    (iii)&#160;a comparison to salary ranges for executives of other
    companies in the oilfield service industry with market,
    financial and operational characteristics similar to those of
    Patterson-UTI, (iv)&#160;Patterson-UTI&#146;s financial results
    and position and (v)&#160;Patterson-UTI&#146;s performance
    compared to similarly situated companies.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Non-Equity
    Incentive Compensation</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Named Executive Officers have historically received
    non-equity incentive compensation in the form of annual cash
    bonuses designed to put a meaningful portion of total
    compensation at risk. In 2009, non-equity incentive compensation
    for Messrs.&#160;Siegel, Wall, Vollmer and Berns was tied to a
    bonus pool based upon Patterson-UTI&#146;s EBITDA. The bonus
    pool was allocated among those four officers pursuant to a
    pre-determined sharing percentage that reflected a team-based
    philosophy as well as the organizational structure of the top
    management team. The bonus pool and allocation are subject to
    modification by the Committee at its discretion. EBITDA has been
    chosen as the performance measure for the annual cash bonus
    because Patterson-UTI believes it is an important measure of
    current year financial performance. Non-equity incentive
    compensation for Mr.&#160;Wexler during 2009 was determined at
    the discretion of the Committee based on the operating
    performance of Patterson-UTI and the individual performance of
    Mr.&#160;Wexler during the portion of the year following the
    commencement of his employment.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In 2009, the bonus pool for Messrs.&#160;Siegel, Wall, Vollmer
    and Berns, subject to a minimum threshold of $200&#160;million
    of EBITDA, was approximately 0.611 of one percent of
    Patterson-UTI&#146;s EBITDA. The allocation of the bonus pool as
    a percentage of 2009 EBITDA was as follows: 0.222 of one percent
    to Mr.&#160;Siegel, 0.167 of one percent to Mr.&#160;Wall and
    0.111 of one percent to each of Messrs.&#160;Vollmer and Berns.
    While the Committee did not establish a specific threshold bonus
    amount for each such officer, the Grants of Plan-Based Awards
    table presents a threshold bonus amount for each such officer
    based on an assumed EBITDA at the minimum EBITDA threshold of
    $200&#160;million and the allocation formula. The maximum amount
    that can be awarded to an individual under any cash-based
    performance award granted under the 2005 Plan during a
    <FONT style="white-space: nowrap">12-month</FONT>
    period is $5,000,000. In order to
</DIV>
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    <BR>
    20
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    reach this maximum amount, EBITDA of $2.25&#160;billion in the
    case of Mr.&#160;Siegel, $3.00&#160;billion in the case of
    Mr.&#160;Wall and $4.50&#160;billion in the case of
    Messrs.&#160;Vollmer and Berns would have been needed. The
    Committee did not establish a target bonus amount. The target
    bonus amount presented in the Grants of Plan-Based Awards table
    is calculated for the respective officer based on
    Patterson-UTI&#146;s actual EBITDA for the fiscal year ended
    December&#160;31, 2009 and the allocation formula applied to the
    bonus pool for distribution.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The aggregate bonus pool paid to Messrs.&#160;Siegel, Wall,
    Vollmer and Berns for 2009 was $1,452,271 based on
    Patterson-UTI&#146;s 2009 EBITDA of $239,708,000 reduced at the
    discretion of the Committee by $1.9&#160;million which
    represented the impact of an impairment loss recognized in 2009
    on the disposal of Patterson-UTI&#146;s drilling and completion
    fluids business. Based on the allocation above, Mr.&#160;Siegel
    received $528,462; Mr.&#160;Wall received $396,347 and
    Messrs.&#160;Vollmer and Berns each received $264,231.
    Consistent with Patterson-UTI&#146;s emphasis on
    performance-based compensation, non-equity incentive
    compensation for 2009 represented a significant portion of each
    Named Executive Officer&#146;s total cash compensation from
    Patterson-UTI for the year.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Long-Term
    Incentive Compensation</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Long-term incentive compensation for the Named Executive
    Officers consists of both awards of shares of restricted stock
    and options to purchase Common Stock. The four most highly
    compensated Named Executive Officers also receive performance
    units payable in cash. The restricted stock and options vest
    over three years. Payouts under the performance units are tied
    to Patterson-UTI&#146;s total shareholder return for the
    performance period beginning April&#160;1, 2009 and ending
    March&#160;31, 2012 as compared to total shareholder return for
    a peer group determined by the Committee. Total shareholder
    return for Patterson-UTI is measured based on $100 invested in
    Common Stock on the first day of the performance period, with
    dividends reinvested. The recipients will receive a base payment
    of $625,000 in the case of Mr.&#160;Siegel, $468,750 in the case
    of Mr.&#160;Wall and $312,500 in the case of
    Messrs.&#160;Vollmer and Berns if Patterson-UTI&#146;s total
    shareholder return is at or above the 25th&#160;percentile but
    less than the 50th&#160;percentile, two times the base if at or
    above the 50th&#160;percentile but less than the
    75th&#160;percentile and four times the base if at the
    75th&#160;percentile or higher. No cash payments will be made in
    respect of the performance units unless Patterson-UTI has
    positive total shareholder return as of the end of the
    performance period; except that if during the two year period
    ending March&#160;31, 2014, Patterson-UTI&#146;s total
    shareholder return for any 30 consecutive day period equals or
    exceeds 18% on an annualized basis from April&#160;1, 2009
    through the end of such 30 consecutive day period, then cash
    payments, if any, will be made as set forth above based on
    Patterson-UTI&#146;s total shareholder return relative to the
    peer group as of March&#160;31, 2012.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Awards of such long-term incentive compensation reflect the
    Committee&#146;s desire to provide the Named Executive Officers
    with additional incentives by increasing their proprietary
    interest in the success of Patterson-UTI. The Committee believes
    that there should be an emphasis on equity and performance-based
    compensation in order to provide incentives and rewards that are
    closely aligned with stockholders. The Committee reviews equity
    and performance-based compensation of the Named Executive
    Officers on an annual basis.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI&#146;s equity and performance-based compensation
    has historically been given significant weight, along with
    short-term non-equity incentive compensation, in the overall
    compensation package of the Named Executive Officers. The
    allocation and mix of equity and performance-based compensation
    among restricted stock, stock options and performance units in
    2009 followed this approach; the Committee made grants of
    performance units and emphasized performance units and stock
    options over restricted stock for the four most highly
    compensated Named Executive Officers in order to ensure that the
    greatest awards would only be earned for achievement of certain
    performance goals in the case of performance units and increases
    in Patterson-UTI&#146;s equity value in the case of stock
    options.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In determining the appropriate equity based compensation grants,
    the Committee sought to achieve a roughly even mix of value
    among performance units, restricted stock and stock options,
    with the overall value of the grants being targeted at the
    <FONT style="white-space: nowrap">50-75th&#160;percentile</FONT>
    of the peer group, with the range being used to take into
    account comparability issues among the peer group, including
    differing market capitalizations, revenues and EBITDA. In
</DIV>
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    <BR>
    21
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    addition, among the different factors considered by the
    Committee in establishing the long-term incentive compensation
    awards in 2009 were:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the different option valuation methods, including Black-Scholes,
    utilized in establishing stock option grants and variations in
    value depending on assumptions used in the valuations;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the portion of equity based compensation that has
    performance-based vesting
    <FONT style="white-space: nowrap">and/or</FONT>
    compared to those of Patterson-UTI&#146;s peer group of
    companies;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    stock price volatility and its impact on the valuation of equity
    grants;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    estimated changes in industry equity compensation amounts based
    on information provided by Towers Perrin;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the fact that two-thirds of the 2009 equity-based compensation
    was directly related to Patterson-UTI&#146;s performance and was
    benchmarked to the performance of Patterson-UTI&#146;s peer
    group of companies;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    prior option and restricted stock grant amounts and the nominal
    valuations of those grants;
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the addition of performance units as a new element of
    compensation, which could further link compensation with
    performance;&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the desire to have a balance between compensation tied primarily
    to operational performance measures and compensation tied
    primarily to stock performance measures.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The result of this analysis was a valuation for the equity
    grants for 2009 being broadly benchmarked at an approximate
    twenty percent (20%) discount to a targeted 66th&#160;percentile
    relative to the peer group of companies with adjustments made in
    absolute grant numbers due to the greater emphasis on direct
    performance-based equity compensation. This methodology resulted
    in grants in the
    <FONT style="white-space: nowrap">50-75th&#160;percentile</FONT>
    of the peer group depending on particular valuation analysis
    applied.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Committee&#146;s practice has generally been to grant any
    stock options, restricted stock and performance units to Named
    Executive Officers at a meeting following the conclusion of
    Patterson-UTI&#146;s first quarter. Such meetings are typically
    held in conjunction with regular quarterly Board meetings that
    are held prior to Patterson-UTI&#146;s public release of
    quarterly earnings information. Options are granted at an
    exercise price equal to the closing price of
    Patterson-UTI&#146;s stock on the date of grant.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Retirement
    Plans</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI offers a 401(k) plan to its employees, including
    its Named Executive Officers. Participants may contribute a
    portion of their base salary to the 401(k) plan, subject to
    federal limits. Patterson-UTI makes matching contributions up to
    four percent of each participant&#146;s eligible base salary.
    The Named Executive Officers of Patterson-UTI are eligible to
    participate in the 401(k) plan on the same basis as other
    employees. Patterson-UTI does not have any other retirement plan.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 2%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><I><FONT style="font-family: 'Times New Roman', Times">Perquisites
    and Personal Benefits</FONT></I></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    No Named Executive Officer received perquisites totaling more
    than $10,000. Accordingly, the perquisites do not meet the
    threshold which would require disclosure in the Summary
    Compensation Table below.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Share
    Ownership Guidelines</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Nominating and Corporate Governance Committee has enacted
    share ownership guidelines applicable to all executive officers
    and directors of Patterson-UTI. The guidelines require officers
    and directors to hold at all
</DIV>
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    <BR>
    22
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    times, subject to a four year phase-in from the date first
    elected as an officer or director, at least the following number
    of shares of Common Stock:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
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    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="78%">&nbsp;</TD>	<!-- colindex=02 type=maindata -->
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    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="12%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
</TR>
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<!-- TableOutputHead -->
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#149;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    Chairman
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    120,000&#160;shares
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#149;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    President and Chief Executive Officer
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    90,000&#160;shares
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#149;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    Senior Vice Presidents
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    60,000&#160;shares
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#149;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    General Counsel
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    7,500&#160;shares
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#149;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    Chief Accounting Officer
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    7,500&#160;shares
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#149;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    Outside Directors
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    10,000&#160;shares
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#149;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD align="left" valign="bottom">
    Non-executive Inside Director
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    10,000&#160;shares
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Each of the Named Executive Officers and Directors was in
    compliance with these guidelines as of the date of this proxy
    statement.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Change in
    Control and Severance Agreements</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI has entered into change in control agreements with
    its Named Executive Officers as further described elsewhere in
    this proxy statement. The Committee believes that the change in
    control agreements help Patterson-UTI to attract and retain the
    Named Executive Officers by reducing the personal uncertainty
    and anxiety that arises from the possibility of a future
    business combination. The Committee also believes the change in
    control agreements should prevent the Named Executive Officers
    from leaving employment out of concern for the security of their
    jobs or being unable to concentrate on their work.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI has entered into written letter agreements with
    each of Messrs.&#160;Siegel, Berns and Vollmer pursuant to which
    Patterson-UTI has agreed to pay each such person within ten days
    of the termination of his employment with Patterson-UTI for any
    reason (including voluntary termination by him), an amount in
    cash equal to his annual base salary at the time of such
    termination. Patterson-UTI has entered into a severance
    agreement with Mr.&#160;Wall that provides for a lump-sum cash
    payment of $750,000 to be payable to Mr.&#160;Wall within ten
    days of the date of a qualifying termination of his employment
    with Patterson-UTI. A qualifying termination for Mr.&#160;Wall
    is defined in the severance agreement generally as a termination
    by Patterson-UTI for any reason other than cause or, if certain
    conditions are met, a termination by Mr.&#160;Wall due to a
    reduction in his annual base salary below a defined threshold
    amount. Mr.&#160;Wall&#146;s severance agreement expires on
    April&#160;9, 2010 unless he experiences a qualifying
    termination prior to such date. Any payment made by
    Patterson-UTI pursuant to these letter agreements or the
    severance agreement will reduce dollar for dollar any payment
    owed to such person, if any, pursuant to the change in control
    agreements discussed above.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Section&#160;162(m)
    Considerations</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In considering compensation decisions for the executive
    management of Patterson-UTI, the Committee routinely considers
    the potential effect of Section&#160;162(m) of the Internal
    Revenue Code. Section&#160;162(m) imposes a limitation on
    corporate tax deductions for non-performance based compensation
    to certain officers that exceeds $1&#160;million that can be
    taken by a publicly held corporation for compensation paid to
    certain of its executive officers. While Patterson-UTI does not
    design its compensation programs for tax purposes, Patterson-UTI
    does design its plans to be tax efficient for Patterson-UTI
    where possible. However, the Committee believes that tax
    deduction limitations should not compromise Patterson-UTI&#146;s
    ability to establish and maintain appropriate executive
    compensation programs and reserves the right to award
    non-deductible compensation.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Compensation
    Committee Interlocks and Insider Participation</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    No member of the Compensation Committee was, during the year
    ended December&#160;31, 2009, an officer or employee of
    Patterson-UTI or any of its subsidiaries, or was formerly an
    officer of Patterson-UTI or any of its subsidiaries, or had any
    relationships requiring disclosure by Patterson-UTI under
    Item&#160;404 of
    <FONT style="white-space: nowrap">Regulation&#160;S-K.</FONT>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    During the year ended December&#160;31, 2009, none of
    Patterson-UTI&#146;s executive officers served as (i)&#160;a
    member of the compensation committee (or other Board committee
    performing equivalent functions) of another entity, one of whose
    executive officers served on the Compensation Committee,
    (ii)&#160;a director of another entity, one of whose
</DIV>
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<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    23
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    executive officers served on the Compensation Committee, or
    (iii)&#160;a member of the compensation committee (or other
    Board committee performing equivalent functions) of another
    entity, one of whose executive officers served as a director of
    Patterson-UTI.
</DIV>


<!-- link1 "COMPENSATION COMMITTEE REPORT" -->
<DIV align="left"><A NAME="010"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">COMPENSATION
    COMMITTEE REPORT</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Compensation Committee has reviewed and discussed the
    Compensation Discussion and Analysis included in this proxy
    statement required by Item&#160;402(b) of
    <FONT style="white-space: nowrap">Regulation&#160;S-K</FONT>
    with management and, based upon such review and discussion, the
    Compensation Committee has recommended to the Board that the
    Compensation Discussion and Analysis be included in this proxy
    statement.
</DIV>

<DIV style="margin-top: 24pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 49%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Terry H. Hunt, <I>Chairman<BR>
    </I>Charles O. Buckner<BR>
    Curtis W. Huff<BR>
    Kenneth R. Peak
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following table sets forth information concerning
    compensation for the fiscal year ended December&#160;31, 2009
    with respect to the Principal Executive Officer, the Principal
    Financial Officer and the other Named Executive Officers of
    Patterson-UTI:
</DIV>


<!-- link1 "Summary Compensation Table" -->
<DIV align="left"><A NAME="011"></A></DIV>


<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Summary
    Compensation Table</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 8pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="34%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="2%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="2%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=04 type=gutter -->
    <TD width="3%" align="right">&nbsp;</TD>	<!-- colindex=04 type=lead -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=04 type=body -->
    <TD width="3%" align="left">&nbsp;</TD>	<!-- colindex=04 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=05 type=gutter -->
    <TD width="3%" align="right">&nbsp;</TD>	<!-- colindex=05 type=lead -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=05 type=body -->
    <TD width="3%" align="left">&nbsp;</TD>	<!-- colindex=05 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=06 type=gutter -->
    <TD width="3%" align="right">&nbsp;</TD>	<!-- colindex=06 type=lead -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=06 type=body -->
    <TD width="3%" align="left">&nbsp;</TD>	<!-- colindex=06 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=07 type=gutter -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=07 type=lead -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=07 type=body -->
    <TD width="4%" align="left">&nbsp;</TD>	<!-- colindex=07 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=08 type=gutter -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=08 type=lead -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=08 type=body -->
    <TD width="4%" align="left">&nbsp;</TD>	<!-- colindex=08 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=09 type=gutter -->
    <TD width="3%" align="right">&nbsp;</TD>	<!-- colindex=09 type=lead -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=09 type=body -->
    <TD width="3%" align="left">&nbsp;</TD>	<!-- colindex=09 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 7pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Non-equity<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
</TR>
<TR style="font-size: 7pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Stock<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Option<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Incentive plan<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>All Other<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
</TR>
<TR style="font-size: 7pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Salary<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Bonus<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Compensation<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Compensation<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom">
    <B>Total<BR>
    </B>
</TD>
</TR>
<TR style="font-size: 7pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Name and Principal Position(s)</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Year</B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(1)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(2)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(3)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(4)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="3" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    <I>Douglas J. Wall</I>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2009
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    600,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,558,620
</TD>
<TD nowrap align="left" valign="top">
    (5)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,253,149
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    396,347
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    9,800
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    3,817,916
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="top">
<DIV style="text-indent: 0pt; margin-left: 8pt">
    President&#160;&#038; Chief
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2008
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    600,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,088,338
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,458,577
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,367,378
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    9,200
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    5,523,493
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="top">
<DIV style="text-indent: 0pt; margin-left: 8pt">
    Executive Officer
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2007
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    365,625
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,075,000
</TD>
<TD nowrap align="left" valign="top">
    (6)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,272,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    665,215
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    4,377,840
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    <I>John E. Vollmer III</I>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2009
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    350,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,039,080
</TD>
<TD nowrap align="left" valign="top">
    (7)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    835,433
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    264,231
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    9,800
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,498,544
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: 0pt; margin-left: 8pt">
    Senior Vice President&#160;&#151;
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2008
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    326,125
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,392,225
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    972,385
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    911,586
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    9,200
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    3,611,521
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: 0pt; margin-left: 8pt">
    Corporate Development, Chief Financial Officer&#160;&#038;
    Treasurer
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2007
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    275,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    604,250
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,072,845
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,022,050
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    10,735
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,984,880
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    <I>Mark S. Siegel</I>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2009
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    350,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,078,160
</TD>
<TD nowrap align="left" valign="top">
    (8)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,670,865
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    528,462
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    4,627,487
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: 0pt; margin-left: 8pt">
    Chairman of the Board
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2008
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    350,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,784,450
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,944,769
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,823,171
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    6,902,390
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2007
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    350,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,208,500
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,145,690
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,044,100
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    5,748,290
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    <I>Kenneth N. Berns</I>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2009
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    265,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,039,080
</TD>
<TD nowrap align="left" valign="top">
    (7)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    835,433
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    264,231
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,403,744
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="top">
<DIV style="text-indent: 0pt; margin-left: 8pt">
    Senior Vice President
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2008
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    265,000
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,392,225
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    972,385
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    911,586
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    3,541,196
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2007
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    258,055
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    604,250
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,072,845
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    1,022,050
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    2,957,200
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    <I>Seth D. Wexler</I>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    2009
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    96,554
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    125,000
</TD>
<TD nowrap align="left" valign="top">
    (9)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    213,900
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    79,856
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    &#151;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
    $
</TD>
<TD nowrap align="right" valign="top">
    515,310
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="top">
<DIV style="text-indent: 0pt; margin-left: 8pt">
    General Counsel and Secretary
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="right" valign="top">
&nbsp;
</TD>
<TD nowrap align="left" valign="top">
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 13%;  align: left; border-bottom: 1pt solid #000000"></DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (1) </TD>
    <TD></TD>
    <TD valign="bottom">
    Amounts set forth include the fair value of awards at the date
    of grant as determined in accordance with FASB ASC Topic 718
    with respect to restricted stock awarded to the Named Executive
    Officer in the fiscal years ended December&#160;31, 2009, 2008
    and 2007 and with respect to performance units awarded to
    Messrs.&#160;Wall, Vollmer, Siegel and Berns in the fiscal year
    ended December&#160;31, 2009. Performance conditions for all
    awards of restricted stock had been satisfied as of
    December&#160;31, 2009. For additional information related to
    the assumptions used and valuation of restricted stock and
    performance units see Note&#160;11 to the consolidated financial
    statements in Patterson-UTI&#146;s Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    for the fiscal year ended December&#160;31, 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (2) </TD>
    <TD></TD>
    <TD valign="bottom">
    Amounts set forth represent the fair value at the date of grant
    as determined in accordance with FASB ASC Topic 718 with respect
    to stock options awarded to the Named Executive Officer in the
    fiscal years ended December&#160;31, 2009, 2008 and 2007. For
    additional information related to the assumptions used in
    connection with the valuation of stock options using the
    Black-Scholes option pricing model see Note&#160;11 to the </TD>
</TR>
<!-- XBRL Paragraph Pagebreak -->

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    24
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD valign="top">
</TD>
    <TD></TD>
    <TD valign="bottom">
    consolidated financial statements in Patterson-UTI&#146;s Annual
    Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    for the fiscal year ended December&#160;31, 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (3) </TD>
    <TD></TD>
    <TD valign="bottom">
    Represents annual bonuses earned for the fiscal years ended
    December&#160;31, 2009, 2008 and 2007. The bonus plan in each of
    those fiscal years provided for a bonus pool based on EBITDA,
    subject to a minimum EBITDA of $400&#160;million for 2007 and
    2008 and $200&#160;million for 2009. The bonus pool was
    allocated among the participants based on a pre-determined
    sharing percentage. At the direction of the Compensation
    Committee, the total amount paid out pursuant to the executive
    bonus pool was $1.45&#160;million for 2009, $5.01&#160;million
    for 2008 and $6.13&#160;million for 2007.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (4) </TD>
    <TD></TD>
    <TD valign="bottom">
    Amounts set forth reflect contributions to a 401(k) plan by
    Patterson-UTI on behalf of the Named Executive Officer.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (5) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes $967,995 related to an award of shares of restricted
    stock and $590,625 related to an award of performance units
    during 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (6) </TD>
    <TD></TD>
    <TD valign="bottom">
    Amount includes a signing bonus of $275,000 paid to
    Mr.&#160;Wall upon the commencement of his employment with
    Patterson-UTI and an annual bonus for the fiscal year ended
    December&#160;31, 2007 of $800,000, which was paid pursuant to
    the terms of the offer letter provided to Mr.&#160;Wall prior to
    his employment with Patterson-UTI.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (7) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes $645,330 related to an award of shares of restricted
    stock and $393,750 related to an award of performance units
    during 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (8) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes $1,290,660 related to an award of shares of restricted
    stock and $787,500 related to an award of performance units
    during 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (9) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes $60,000 paid to Mr.&#160;Wexler upon the commencement
    of his employment with Patterson-UTI.</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following table sets forth information concerning grants of
    plan-based awards during the fiscal year ended December&#160;31,
    2009 to the Named Executive Officers:
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Grants of
    Plan-Based Awards</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 6pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="18%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="2%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=04 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=04 type=lead -->
    <TD width="3%" align="right">&nbsp;</TD>	<!-- colindex=04 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=04 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=05 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=05 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=05 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=05 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=06 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=06 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=06 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=06 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=07 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=07 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=07 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=07 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=08 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=08 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=08 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=08 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=09 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=09 type=lead -->
    <TD width="6%" align="right">&nbsp;</TD>	<!-- colindex=09 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=09 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=10 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=10 type=lead -->
    <TD width="7%" align="right">&nbsp;</TD>	<!-- colindex=10 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=10 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=11 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=11 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=11 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=11 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=12 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=12 type=lead -->
    <TD width="7%" align="right">&nbsp;</TD>	<!-- colindex=12 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=12 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>All Other<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>All Other<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Option Awards:<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Stock Awards:<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Number of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Exercise or<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Grant Date<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="10" nowrap align="center" valign="bottom">
    <B>Estimated Possible Payouts under<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="10" nowrap align="center" valign="bottom">
    <B>Estimated Possible Payouts under<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Number of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Securities<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Base Price<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Fair Value of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="10" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Non-equity Incentive Plan Awards</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="10" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Equity Incentive Plan Awards</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Shares of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Underlying <BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>of Option<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Stock and<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Grant<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Threshold<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Target<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Maximum<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Threshold<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Target<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Maximum<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Stock or Units<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Options<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Option Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Name</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Date</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>(#)(3)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>(#)(4)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($/Sh)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(5)</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -6pt; margin-left: 6pt">
    Douglas J. Wall
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    2/06/09
</TD>
<TD nowrap align="left" valign="bottom">
    (1)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    333,333
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    399,513
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    5,000,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
    (2)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    468,750
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    936,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,875,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    73,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    967,995
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    262,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,253,149
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -6pt; margin-left: 6pt">
    John E. Vollmer III
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    2/06/09
</TD>
<TD nowrap align="left" valign="bottom">
    (1)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    222,222
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    266,342
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    5,000,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
    (2)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    312,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    625,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,250,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    49,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    645,330
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    175,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    835,433
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -6pt; margin-left: 6pt">
    Mark S. Siegel
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    2/06/09
</TD>
<TD nowrap align="left" valign="bottom">
    (1)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    444,444
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    532,684
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    5,000,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
    (2)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    625,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,250,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,500,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    98,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,290,660
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    350,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,670,865
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -6pt; margin-left: 6pt">
    Kenneth N. Berns
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    2/06/09
</TD>
<TD nowrap align="left" valign="bottom">
    (1)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    222,222
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    266,342
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    5,000,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
    (2)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    312,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    625,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,250,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    49,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    645,330
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/28/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    175,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    835,433
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -6pt; margin-left: 6pt">
    Seth D. Wexler
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    8/10/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    15,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    213,900
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    8/10/09
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    15,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    14.41
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    79,856
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 13%;  align: left; border-bottom: 1pt solid #000000"></DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (1) </TD>
    <TD></TD>
    <TD valign="bottom">
    The 2009 bonus plan for Named Executive Officers for the fiscal
    year ended December&#160;31, 2009 was approved on
    February&#160;6, 2009. The 2009 bonus plan for
    Messrs.&#160;Wall, Vollmer, Siegel and Berns provided for a
    bonus pool based on EBITDA for the fiscal year ended
    December&#160;31, 2009, subject to a minimum EBITDA of
    $200&#160;million. The bonus pool was allocated among
    Messrs.&#160;Wall, Vollmer, Siegel and Berns based on a </TD>
</TR>
<!-- XBRL Paragraph Pagebreak -->

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    25
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD valign="top">
</TD>
    <TD></TD>
    <TD valign="bottom">
    <FONT style="white-space: nowrap">pre-determined</FONT>
    sharing percentage. The threshold amount presented in this table
    is calculated for the respective officer based on an assumed
    EBITDA of $200&#160;million and the allocation formula applied
    to the bonus pool for distribution due to the fact that the
    bonus plan provides for no payment if the minimum EBITDA of
    $200&#160;million is not satisfied. The target amount is
    calculated based on Patterson-UTI&#146;s actual EBITDA for the
    fiscal year ended December&#160;31, 2009 and the allocation
    formula applied to the bonus pool for distribution. The target
    amounts presented in the table differ from the actual amounts
    earned presented in the Summary Compensation Table as a result
    of a discretionary downward adjustment to the total bonus pool
    by the Compensation Committee. The Compensation Committee
    determined the payouts for 2009 based on Patterson-UTI&#146;s
    actual EBITDA less $1.9&#160;million which represented an
    impairment charge recorded in connection with the disposal of
    Patterson-UTI&#146;s drilling and completion fluids business.
    The cash bonuses awarded from the bonus pool were awarded under
    the 2005 Plan, which has been designed to meet the requirements
    of Section 162(m) of the Code. Although the bonus pool for
    Messrs.&#160;Wall, Vollmer, Siegel and Berns did not have an
    EBITDA cap, the maximum amount that could be awarded to an
    individual under any cash-based performance award granted under
    the 2005 Plan during a
    <FONT style="white-space: nowrap">12-month</FONT>
    period is $5,000,000.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (2) </TD>
    <TD></TD>
    <TD valign="bottom">
    On April&#160;28, 2009, Patterson-UTI granted performance unit
    awards to Messrs.&#160;Wall, Vollmer, Siegel and Berns. These
    awards provide for the recipients to receive a cash payment upon
    the achievement of certain performance goals established by
    Patterson-UTI during a specified period. The performance period
    is the period from April&#160;1, 2009 through March&#160;31,
    2012, subject to certain exceptions that could extend the
    performance period up to two additional years, as described in
    &#147;Compensation Discussion and Analysis&#148; above. The
    performance goals are tied to Patterson-UTI&#146;s total
    shareholder return for the performance period as compared to
    total shareholder return for a peer group determined by the
    Compensation Committee. If Patterson-UTI&#146;s total
    shareholder return for the performance period is positive and at
    or above the
    25<SUP style="font-size: 85%; vertical-align: top">th</SUP>

    percentile but less than the
    50<SUP style="font-size: 85%; vertical-align: top">th</SUP>

    percentile in relation to the peer group, the awards provide for
    the payment of a base amount. If Patterson-UTI&#146;s total
    shareholder return for the performance period is positive and
    above the
    50<SUP style="font-size: 85%; vertical-align: top">th</SUP>

    percentile but less than the
    75<SUP style="font-size: 85%; vertical-align: top">th</SUP>

    percentile in relation to the peer group, the awards provide for
    the payment of two times the base amount. If
    Patterson-UTI&#146;s total shareholder return for the
    performance period is positive and above the
    75<SUP style="font-size: 85%; vertical-align: top">th</SUP>

    percentile in relation to the peer group, the awards provide for
    the payment of four times the base amount. The base amounts set
    forth in the awards are $468,750 for Mr.&#160;Wall, $312,500 for
    Mr.&#160;Vollmer, $625,000 for Mr.&#160;Siegel and $312,500 for
    Mr.&#160;Berns. The target amounts presented in the table are
    based on Patterson-UTI&#146;s total shareholder return at the
    end of the performance period being positive and at or above the
    50<SUP style="font-size: 85%; vertical-align: top">th</SUP>

    percentile but less than the
    75<SUP style="font-size: 85%; vertical-align: top">th</SUP>

    percentile in relation to the peer group.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (3) </TD>
    <TD></TD>
    <TD valign="bottom">
    Shares of restricted stock were awarded pursuant to the 2005
    Plan. Ordinary dividends are paid on unvested shares of
    restricted stock. The rate at which these dividends are paid is
    the same rate at which ordinary dividends are paid on all other
    shares of common stock of Patterson-UTI. The right to receive
    these dividends has been included in the grant date fair value
    of stock awards presented in the table. The shares awarded to
    Messrs.&#160;Wall, Vollmer, Siegel and Berns vest over a three
    year period as follows: one-third on April&#160;28, 2010, and
    the remaining two-thirds in equal monthly installments over the
    twenty-four months following April&#160;28, 2010. The shares
    awarded to Mr.&#160;Wexler vest over a three year period as
    follows: one-third on June&#160;9, 2010, one-third on
    June&#160;9, 2011 and one-third on June&#160;9, 2012.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (4) </TD>
    <TD></TD>
    <TD valign="bottom">
    Options were granted pursuant to the 2005 Plan. Options awarded
    to Messrs.&#160;Wall, Vollmer, Siegel and Berns vest over a
    three year period as follows: one-third on April&#160;28, 2010,
    and the remaining two-thirds in equal monthly installments over
    the twenty-four months following April&#160;28, 2010. Options
    awarded to Mr.&#160;Wexler vest one-third on August&#160;10,
    2010, and the remaining two-thirds in equal monthly installments
    over the twenty-four months following August&#160;10, 2010.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (5) </TD>
    <TD></TD>
    <TD valign="bottom">
    The grant date fair value of restricted stock is based on the
    closing price of Patterson-UTI Common Stock on the date of
    grant, which is consistent with the valuation used by
    Patterson-UTI for the recognition of compensation expense under
    FASB ASC Topic 718. The grant date fair value of stock options
    was determined using the Black-Scholes option pricing model,
    which is consistent with the valuation used by Patterson-UTI for
    the recognition of compensation expense under FASB ASC Topic
    718, with assumptions that are more fully described in
    Note&#160;11 to the consolidated financial statements in
    Patterson-UTI&#146;s Annual Report on Form
    <FONT style="white-space: nowrap">10-K</FONT> for the
    fiscal year ended December&#160;31, 2009.</TD>
</TR>

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    26
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following table sets forth information concerning
    outstanding equity awards at December&#160;31, 2009 for the
    Named Executive Officers:
</DIV>

<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Outstanding
    Equity Awards<BR>
    at Fiscal Year-End</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 8pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="24%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="6%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=04 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=04 type=lead -->
    <TD width="3%" align="right">&nbsp;</TD>	<!-- colindex=04 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=04 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=05 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=05 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=05 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=05 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=06 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=06 type=lead -->
    <TD width="8%" align="right">&nbsp;</TD>	<!-- colindex=06 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=06 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=07 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=07 type=lead -->
    <TD width="8%" align="right">&nbsp;</TD>	<!-- colindex=07 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=07 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=08 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=08 type=lead -->
    <TD width="8%" align="right">&nbsp;</TD>	<!-- colindex=08 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=08 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=09 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=09 type=lead -->
    <TD width="10%" align="right">&nbsp;</TD>	<!-- colindex=09 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=09 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="14" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Stock Awards</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Equity Incentive<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Equity Incentive<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Plan Awards:<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Plan Awards: Market<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="14" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Option Awards</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Number of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>or Payout Value of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="6" nowrap align="center" valign="bottom">
    <B>Number of Securities<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Option<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Number of Shares<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Market Value of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Unearned Shares,<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Unearned Shares,<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="6" nowrap align="center" valign="bottom">
    <B>Underlying Unexercised<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Exercise<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Option<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>or Units of Stock<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Shares or Units of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Units or Other<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Units or Other<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="6" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Options&#160;(#)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Price<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Expiration<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>That Have<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Stock That Have<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Rights that<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Rights that Have<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Name</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Exercisable</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Unexercisable</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Date</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Not Vested&#160;(#)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Not Vested ($)(1)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Have Not Vested</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Not Vested ($)(3)</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    Douglas J. Wall
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    66,666
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    8,334
</TD>
<TD nowrap align="left" valign="bottom">
    (4)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    22.720
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/08/17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    138,501
</TD>
<TD nowrap align="left" valign="bottom">
    (5)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,125,990
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    468,750
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    468,750
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    18,055
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    6,945
</TD>
<TD nowrap align="left" valign="bottom">
    (6)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    22.990
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    9/30/17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    99,166
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    79,334
</TD>
<TD nowrap align="left" valign="bottom">
    (7)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    29.310
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/24/18
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    262,500
</TD>
<TD nowrap align="left" valign="bottom">
    (8)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.170
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/27/19
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    John E. Vollmer III
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    210,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.195
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    7/17/12
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    80,399
</TD>
<TD nowrap align="left" valign="bottom">
    (9)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,234,125
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    312,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    312,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    190,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    16.220
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/29/13
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    60,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    19.140
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/27/14
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    75,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    24.630
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/26/15
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    125,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    28.160
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    7/31/16
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    133,333
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    16,667
</TD>
<TD nowrap align="left" valign="bottom">
    (10)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    24.170
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/22/17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    66,111
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    52,889
</TD>
<TD nowrap align="left" valign="bottom">
    (11)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    29.310
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/24/18
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    175,000
</TD>
<TD nowrap align="left" valign="bottom">
    (8)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.170
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/27/19
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    Mark S. Siegel
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    380,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    16.220
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/29/13
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    160,797
</TD>
<TD nowrap align="left" valign="bottom">
    (12)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,468,234
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    625,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    625,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    120,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    19.140
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/27/14
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    150,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    24.630
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/26/15
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    250,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    28.160
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    7/31/16
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    266,666
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    33,337
</TD>
<TD nowrap align="left" valign="bottom">
    (10)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    24.170
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/22/17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    132,222
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    105,778
</TD>
<TD nowrap align="left" valign="bottom">
    (11)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    29.310
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/24/18
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    350,000
</TD>
<TD nowrap align="left" valign="bottom">
    (8)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.170
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/27/19
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    Kenneth N. Berns
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    190,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    16.220
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/29/13
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    80,399
</TD>
<TD nowrap align="left" valign="bottom">
    (9)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,234,125
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    312,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    312,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    60,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    19.140
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/27/14
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    75,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    24.630
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/26/15
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    125,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    28.160
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    7/31/16
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    133,333
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    16,667
</TD>
<TD nowrap align="left" valign="bottom">
    (10)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    24.170
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/22/17
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    66,111
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    52,889
</TD>
<TD nowrap align="left" valign="bottom">
    (11)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    29.310
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/24/18
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    175,000
</TD>
<TD nowrap align="left" valign="bottom">
    (8)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13.170
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4/27/19
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="color: #000000; background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    Seth D. Wexler
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    15,000
</TD>
<TD nowrap align="left" valign="bottom">
    (13)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    14.410
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    8/09/19
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    15,000
</TD>
<TD nowrap align="left" valign="bottom">
    (14)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    230,250
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 13%;  align: left; border-bottom: 1pt solid #000000"></DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (1) </TD>
    <TD></TD>
    <TD valign="bottom">
    Based on the closing price of Patterson-UTI Common Stock on
    December&#160;31, 2009 of $15.35 per share.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (2) </TD>
    <TD></TD>
    <TD valign="bottom">
    As discussed in footnote (2)&#160;to the Grants of Plan Based
    Awards table, on April&#160;28, 2009, Patterson-UTI granted
    performance unit awards to Messrs.&#160;Wall, Vollmer, Siegel
    and Berns. These awards are denominated in dollars and the
    numbers presented in this column represent the base amount of
    the respective awards. Based on Patterson-UTI&#146;s total
    shareholder return during the performance period ending
    March&#160;31, 2012, the recipients could receive no payment
    under the awards or could receive a payment equal to the base
    amount, two times the base amount or four times the base amount.</TD>
</TR>

<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (3) </TD>
    <TD></TD>
    <TD valign="bottom">
    The performance period for performance unit awards outstanding
    at December&#160;31, 2009 ends on March&#160;31, 2012. Amounts
    presented in this column represent the threshold payouts that
    could be earned according to the terms of the performance unit
    awards.</TD>
</TR>

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    27
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (4) </TD>
    <TD></TD>
    <TD valign="bottom">
    These options vest in equal monthly installments from
    January&#160;9, 2010 through April&#160;9, 2010.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (5) </TD>
    <TD></TD>
    <TD valign="bottom">
    These shares of restricted stock vest as follows:
    33,334&#160;shares on April&#160;9, 2010; 31,667&#160;shares
    that vest in equal monthly installments from January&#160;25,
    2010 through April&#160;25, 2011; 24,500&#160;shares on
    April&#160;28, 2010 and 49,000&#160;shares that vest in equal
    monthly installments from May&#160;28, 2010 through
    April&#160;28, 2012.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (6) </TD>
    <TD></TD>
    <TD valign="bottom">
    These options vest in equal monthly installments from
    January&#160;1, 2010 through October&#160;1, 2010.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (7) </TD>
    <TD></TD>
    <TD valign="bottom">
    These options vest in equal monthly installments from
    January&#160;25, 2010 through April&#160;25, 2011.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (8) </TD>
    <TD></TD>
    <TD valign="bottom">
    These options vest as follows: one-third on April&#160;28, 2010,
    and the remainder in equal monthly installments over the
    twenty-four months following April&#160;28, 2010.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (9) </TD>
    <TD></TD>
    <TD valign="bottom">
    These shares of restricted stock vest as follows:
    2,787&#160;shares in equal monthly installments from
    January&#160;23, 2010 through April&#160;23, 2010;
    21,112&#160;shares in equal monthly installments from
    January&#160;25, 2010 through April&#160;25, 2012;
    16,333&#160;shares on April&#160;28, 2010; 32,667&#160;shares in
    equal monthly installments from May&#160;28, 2010 through
    April&#160;28, 2012; and 7,500&#160;shares on August&#160;1,
    2010.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (10) </TD>
    <TD></TD>
    <TD valign="bottom">
    These options vest in equal monthly installments from
    January&#160;23, 2010 through April&#160;23, 2010.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (11) </TD>
    <TD></TD>
    <TD valign="bottom">
    These options vest in equal monthly installments from
    January&#160;25, 2010 through April&#160;25, 2011.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (12) </TD>
    <TD></TD>
    <TD valign="bottom">
    These shares of restricted stock vest as follows:
    5,574&#160;shares in equal monthly installments from
    January&#160;23, 2010 through April&#160;23, 2010;
    42,223&#160;shares in equal monthly installments from
    January&#160;25, 2010 through April&#160;25, 2012;
    32,666&#160;shares on April&#160;28, 2010; 65,334&#160;shares in
    equal monthly installments from May&#160;28, 2010 through
    April&#160;28, 2012; and 15,000&#160;shares on August&#160;1,
    2010.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (13) </TD>
    <TD></TD>
    <TD valign="bottom">
    These options vest as follows: one-third on August&#160;9, 2010,
    and the remainder in equal monthly installments over the
    twenty-four months following August&#160;9, 2010.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (14) </TD>
    <TD></TD>
    <TD valign="bottom">
    These shares of restricted stock vest as follows:
    5,000&#160;shares on June&#160;9, 2010; 5,000&#160;shares on
    June&#160;9, 2011 and 5,000&#160;shares on June&#160;9, 2012.</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following table sets forth information concerning option
    exercises and stock awards vested during the fiscal year ended
    December&#160;31, 2009 for the Named Executive Officers:
</DIV>


<!-- link1 "Option Exercises and Stock Vested" -->
<DIV align="left"><A NAME="012"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Option
    Exercises<BR>
    and Stock Vested</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="42%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="10%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="9%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=04 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=04 type=lead -->
    <TD width="10%" align="right">&nbsp;</TD>	<!-- colindex=04 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=04 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=05 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=05 type=lead -->
    <TD width="10%" align="right">&nbsp;</TD>	<!-- colindex=05 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=05 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="6" align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Option Awards</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="6" align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Stock Awards</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Number of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Number of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Shares Acquired<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Value Realized<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Shares Acquired<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Value Realized<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Name</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>on Exercise&#160;(#)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>on Exercise&#160;($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>on Vesting (#)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>on Vesting ($)(1)</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Douglas J. Wall
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    72,916
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    931,910
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    John E. Vollmer III
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    49,716
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    695,067
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Mark S. Siegel
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    99,433
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,390,135
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Kenneth N. Berns
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    49,716
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    695,067
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Seth D. Wexler
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 13%;  align: left; border-bottom: 1pt solid #000000"></DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (1) </TD>
    <TD></TD>
    <TD valign="bottom">
    Value realized on vesting is based on the closing price of
    Patterson-UTI Common Stock on the day immediately prior to the
    date at which the respective shares vested.</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI provides no pension benefits for any of the Named
    Executive Officers. None of the Named Executive Officers had any
    items of nonqualified deferred compensation during 2009. As a
    result, tables with respect to pension benefits and nonqualified
    deferred compensation have not been provided.
</DIV>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    28
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">DIRECTOR
    COMPENSATION</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following table sets forth information concerning
    compensation for the fiscal year ended December&#160;31, 2009
    with respect to the directors of Patterson-UTI who are not
    executive officers:
</DIV>

<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Director
    Compensation Table</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="32%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="13%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="8%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=04 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=04 type=lead -->
    <TD width="9%" align="right">&nbsp;</TD>	<!-- colindex=04 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=04 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=05 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=05 type=lead -->
    <TD width="8%" align="right">&nbsp;</TD>	<!-- colindex=05 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=05 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=06 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=06 type=lead -->
    <TD width="6%" align="right">&nbsp;</TD>	<!-- colindex=06 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=06 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Fees Earned or Paid<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>All Other<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>in Cash<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Stock Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Option Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Compensation<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Total<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Name</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(1)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(2)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Charles O. Buckner
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    57,083
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    34,530
</TD>
<TD nowrap align="left" valign="bottom">
    (3)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    28,896
</TD>
<TD nowrap align="left" valign="bottom">
    (4)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    120,509
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Curtis W. Huff
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    57,647
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    34,530
</TD>
<TD nowrap align="left" valign="bottom">
    (3)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    28,896
</TD>
<TD nowrap align="left" valign="bottom">
    (4)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    121,073
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Terry H. Hunt
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    51,250
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    34,530
</TD>
<TD nowrap align="left" valign="bottom">
    (3)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    28,896
</TD>
<TD nowrap align="left" valign="bottom">
    (4)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    114,676
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Kenneth R. Peak
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    47,917
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    34,530
</TD>
<TD nowrap align="left" valign="bottom">
    (3)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    28,896
</TD>
<TD nowrap align="left" valign="bottom">
    (4)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    111,343
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Cloyce A. Talbott
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    250,000
</TD>
<TD nowrap align="left" valign="bottom">
    (5)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    250,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 13%;  align: left; border-bottom: 1pt solid #000000"></DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (1) </TD>
    <TD></TD>
    <TD valign="bottom">
    Amounts set forth represent the fair value at the date of grant
    as determined in accordance with FASB ASC Topic 718 with respect
    to restricted stock awarded to the directors in the fiscal year
    ended December&#160;31, 2009. For additional information related
    to the assumptions used and valuation of restricted stock, see
    Note&#160;11 to the consolidated financial statements in
    Patterson-UTI&#146;s Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    for the fiscal year ended December&#160;31, 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (2) </TD>
    <TD></TD>
    <TD valign="bottom">
    Amounts set forth represent the fair value at the date of grant
    as determined in accordance with FASB ASC Topic 718 with respect
    to stock options awarded to the directors in the fiscal year
    ended December&#160;31, 2009. For additional information related
    to the assumptions used in connection with the valuation of
    stock options using the Black-Scholes option pricing model see
    Note&#160;11 to the consolidated financial statements in
    Patterson-UTI&#146;s Annual Report on Form
    <FONT style="white-space: nowrap">10-K</FONT> for the
    fiscal year ended December&#160;31, 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (3) </TD>
    <TD></TD>
    <TD valign="bottom">
    Messrs.&#160;Buckner, Huff, Hunt and Peak each received an award
    of 3,000&#160;shares of restricted stock on January&#160;1, 2009
    with a market value of $11.51 per share which fully vested on
    January&#160;1, 2010. As of December&#160;31, 2009,
    Messrs.&#160;Buckner, Huff, Hunt and Peak each held 3,000
    unvested shares of restricted stock.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (4) </TD>
    <TD></TD>
    <TD valign="bottom">
    Messrs.&#160;Buckner, Huff, Hunt and Peak each received options
    to purchase 10,000&#160;shares of stock on January&#160;1, 2009
    with a market value of $2.89 per share, which fully vested on
    January&#160;1, 2010. As of December&#160;31, 2009,
    Messrs.&#160;Huff, Hunt and Peak each held options to purchase a
    total of 40,000&#160;shares of Common Stock, of which options to
    purchase 10,000&#160;shares were unvested. As of
    December&#160;31, 2009, Mr.&#160;Buckner held options to
    purchase a total of 30,000&#160;shares of Common Stock, of which
    options to purchase 10,000&#160;shares were unvested.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (5) </TD>
    <TD></TD>
    <TD valign="bottom">
    Mr.&#160;Talbott retired from his position as President and
    Chief Executive Officer of Patterson-UTI on September&#160;30,
    2007. Patterson-UTI entered into an employment agreement with
    Mr.&#160;Talbott effective October&#160;1, 2007 which provided
    for the employment of Mr.&#160;Talbott on a part-time basis for
    a period of five years. Mr.&#160;Talbott&#146;s salary during
    the term of this employment agreement is $250,000 per year.</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Directors who are also employees of Patterson-UTI do not receive
    compensation for serving as a director or as a member of a
    committee of the Board of Directors. All directors are
    reimbursed for reasonable
    <FONT style="white-space: nowrap">out-of-pocket</FONT>
    expenses incurred in connection with serving as a member of the
    Board of Directors. Each non-employee director receives annual
    cash compensation of $35,000 and (i)&#160;3,000&#160;shares of
    restricted stock subject to one-year vesting (subject to
    acceleration in certain limited situations, including a change
    of control) and (ii)&#160;an option to purchase
    10,000&#160;shares of Common Stock at an exercise price equal to
    the closing price of Common Stock on the grant date. The option
    has a
    <FONT style="white-space: nowrap">10-year</FONT>
    term, vests after one-year (subject to acceleration in certain
    limited situations, including a change of control) and contains
    a right to exercise for three years following cessation of the
    holder as a director (but not beyond the
    <FONT style="white-space: nowrap">10-year</FONT>
    term). Each non-employee director that serves on the Audit
    Committee or the Compensation Committee receives additional
    annual cash compensation of $10,000 per committee on which he
    serves, with the chairman of each such committee receiving
    $15,000. In March 2010, the Compensation Committee authorized
    additional annual cash compensation of $20,000 to the Lead
    Director.
</DIV>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    29
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->


<!-- link1 "CHANGE IN CONTROL ARRANGEMENTS; EMPLOYMENT CONTRACTS; INDEMNIFICATION AGREEMENTS; CERTAIN PAYMENTS" -->
<DIV align="left"><A NAME="013"></A></DIV>


<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">CHANGE IN
    CONTROL ARRANGEMENTS; EMPLOYMENT CONTRACTS;<BR>
    INDEMNIFICATION AGREEMENTS; CERTAIN PAYMENTS</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI has entered into change in control agreements with
    Messrs.&#160;Siegel, Wall, Berns, Vollmer and Wexler (each
    agreement, an &#147;Agreement&#148; and collectively, the
    &#147;Agreements&#148;; and each individual, an &#147;Employee
    and collectively, the &#147;Employees&#148;). The Agreements
    were entered into to protect the Employees should a change in
    control occur, thereby encouraging the Employee to remain in the
    employ of Patterson-UTI and not be distracted from the
    performance of his duties to Patterson-UTI by the possibility of
    a change in control.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In the event of a change in control of Patterson-UTI in which an
    Employee&#146;s employment is terminated by Patterson-UTI other
    than for cause or by the Employee for good reason, the terms of
    the Agreements would entitle the Employee to, among other things:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    a bonus payment equal to the highest bonus paid after the
    Agreement was entered into (such bonus payment prorated for the
    portion of the fiscal year preceding the termination date),
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    a payment equal to 2.5 times (in the case of Messrs.&#160;Siegel
    and Wall), 2.0 times (in the case of Messrs.&#160;Berns and
    Vollmer) or 1.5 times (in the case of Mr.&#160;Wexler) of the
    sum of (i)&#160;the highest annual salary in effect for such
    Employee during the term of the Agreement and (ii)&#160;the
    average of the three annual bonuses earned by the Employee for
    the three fiscal years preceding the termination date (or a
    benchmark bonus in the case of Mr.&#160;Wexler),&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    continued coverage under Patterson-UTI&#146;s welfare plans for
    up to three years (in the case of Messrs.&#160;Siegel and Wall)
    or two years (in the case of Messrs.&#160;Berns, Vollmer and
    Wexler).
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Each Agreement provides the Employee with a full
    <FONT style="white-space: nowrap">gross-up</FONT>
    payment for any excise taxes imposed on payments and benefits
    received under the Agreements or otherwise, including other
    taxes that may be imposed as a result of the
    <FONT style="white-space: nowrap">gross-up</FONT>
    payment.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    A &#147;change in control&#148; is principally defined by the
    Agreement as:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    an acquisition by any individual, entity or group of beneficial
    ownership of 35% or more of either Patterson-UTI&#146;s then
    outstanding Common Stock or the combined voting power of the
    then outstanding voting securities of Patterson-UTI entitled to
    vote in the election of directors,
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    a change occurs in which the members of the Board of Directors
    as of the date of the Agreement cease to constitute at least a
    majority of Patterson-UTI&#146;s Board of Directors unless that
    change occurs through a vote of at least a majority of the
    incumbent members of the Board of Directors,&#160;or
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    a change in the beneficial ownership of Patterson-UTI following
    consummation of a reorganization, merger, consolidation, sale of
    Patterson-UTI or any subsidiary of Patterson-UTI or a
    disposition of all or substantially all of the assets of
    Patterson-UTI, in which the beneficial owners immediately prior
    to the transaction own 65% or less of outstanding Common Stock
    of the newly combined or merged entity.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Agreements terminate on the first to occur of:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the Employee&#146;s death, disability or retirement,
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the termination of the Employee&#146;s employment,&#160;or
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    January&#160;29, 2011 although, unless otherwise terminated, the
    Agreements automatically renew for successive twelve-month
    periods until Patterson-UTI notifies the Employee at least
    90&#160;days before the expiration of the initial term or the
    renewal period, as applicable, that the term will not be
    extended. Patterson-UTI has not provided any such notification
    to the Employees.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    All unvested stock options and restricted stock awards held by
    Named Executive Officers vest upon a change of control as
    defined by the underlying award agreements. Upon a change in
    control as defined in the underlying performance unit award
    grants, Messrs.&#160;Wall, Vollmer, Siegel and Berns would
    receive two times the base payment payable thereunder. All
    restricted stock and performance unit awards held by Named
    Executive Officers contain
</DIV>
<!-- XBRL Paragraph Pagebreak -->
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    30
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    provisions that in the event of termination due to death or
    disability, the Named Executive Officer would vest in a portion
    of the award.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI has entered into written letter agreements with
    each of Messrs.&#160;Siegel, Berns and Vollmer pursuant to which
    Patterson-UTI has agreed to pay each such person within ten days
    of the termination of his employment with Patterson-UTI for any
    reason (including voluntary termination by him), an amount in
    cash equal to his annual base salary at the time of such
    termination. Patterson-UTI has entered into a severance
    agreement with Mr.&#160;Wall that provides for a lump-sum cash
    payment of $750,000 to be payable to Mr.&#160;Wall within ten
    days of the date of a qualifying termination of his employment
    with Patterson-UTI. A qualifying termination for Mr.&#160;Wall
    is defined in the severance agreement generally as a termination
    by Patterson-UTI for any reason other than cause or, if certain
    conditions are met, a termination by Mr.&#160;Wall due to a
    reduction in his annual base salary below a defined threshold
    amount. Mr.&#160;Wall&#146;s severance agreement expires on
    April&#160;9, 2010 unless he experiences a qualifying
    termination prior to such date. Any payment made by
    Patterson-UTI pursuant to these letter agreements or the
    severance agreement will reduce dollar for dollar any payment
    owed to such person, if any, pursuant to the change in control
    agreements discussed above.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Amounts that each of the Named Executive Officers would be
    entitled to under the existing Agreements if a change in control
    had occurred as of December&#160;31, 2009 and the
    employee&#146;s employment was terminated by Patterson-UTI other
    than for cause or by the employee for good reason (as defined in
    the Agreements) are reflected in the following table:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 8pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="30%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="5%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="6%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=04 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=04 type=lead -->
    <TD width="7%" align="right">&nbsp;</TD>	<!-- colindex=04 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=04 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=05 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=05 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=05 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=05 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=06 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=06 type=lead -->
    <TD width="5%" align="right">&nbsp;</TD>	<!-- colindex=06 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=06 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=07 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=07 type=lead -->
    <TD width="5%" align="right">&nbsp;</TD>	<!-- colindex=07 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=07 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=08 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=08 type=lead -->
    <TD width="8%" align="right">&nbsp;</TD>	<!-- colindex=08 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=08 type=hang1 -->
    <TD width="1%">&nbsp;</TD>	<!-- colindex=09 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=09 type=lead -->
    <TD width="6%" align="right">&nbsp;</TD>	<!-- colindex=09 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=09 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="10" align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Cash Payments</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="14" align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Other Benefits</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Bonus<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Salary and<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Performance<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Option<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Stock<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Continued<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Statutory Tax<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Payment<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Bonus<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Unit Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Awards<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Benefits<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Gross-Up<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Total<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Name</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(1)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(2)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(3)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(4)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(4)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(5)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)(6)</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>($)</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    Douglas J. Wall
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,367,378
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    4,209,223
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    937,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    572,250
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,125,990
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    15,401
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,213,063
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    10,073,427
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    John E. Vollmer III
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,375,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,905,757
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    625,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    381,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,234,125
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    12,009
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    6,533,391
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    Mark S. Siegel
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,750,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    6,389,393
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,250,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    763,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,468,234
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    13,620,627
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    Kenneth N. Berns
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,375,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    2,735,757
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    625,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    381,500
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,234,125
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    6,351,382
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -8pt; margin-left: 8pt">
    Seth D. Wexler
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    100,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    525,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    14,100
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    230,250
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    12,009
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    &#151;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    881,359
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 13%;  align: left; border-bottom: 1pt solid #000000"></DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (1) </TD>
    <TD></TD>
    <TD valign="bottom">
    The assumed bonus payment is equal to the highest annual bonus
    paid from the time the Agreements were entered into through
    December&#160;31, 2009 except in the case of Mr. Wexler where
    the amount represents a benchmark bonus as defined in his
    Agreement.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (2) </TD>
    <TD></TD>
    <TD valign="bottom">
    The assumed salary and bonus payment represents 2.5 times (in
    the case of Messrs.&#160;Siegel and Wall), 2.0 times (in the
    case of Messrs.&#160;Berns and Vollmer) or 1.5 times (in the
    case of Mr.&#160;Wexler) of the sum of the 2009 salary in effect
    for each employee and the average of the annual bonuses earned
    by each employee for 2008, 2007 and 2006 (or a benchmark bonus
    in the case of Messrs.&#160;Wall and Wexler). Bonus amounts
    earned in 2009 were not considered in this calculation as they
    were not determined until after December&#160;31, 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (3) </TD>
    <TD></TD>
    <TD valign="bottom">
    Performance units awarded to Messrs.&#160;Wall, Vollmer, Siegel
    and Berns in 2009 include a provision that upon a change in
    control as defined in the respective award agreements, the Named
    Executive Officer will receive a cash payment equal to two times
    the base amount set forth in each agreement. Amounts presented
    in the table represent the assumed payment of two times the base
    amount if a change in control had occurred on December&#160;31,
    2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (4) </TD>
    <TD></TD>
    <TD valign="bottom">
    Each of the Named Executive Officers&#146; option and stock
    award agreements provide that unvested options and awards will
    immediately vest upon a change in control. Amounts presented in
    the table represent the value of unvested option and stock
    awards using the market price of Patterson-UTI Common Stock at
    December&#160;31, 2009.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (5) </TD>
    <TD></TD>
    <TD valign="bottom">
    Messrs.&#160;Wall, Vollmer and Wexler participated in
    Patterson-UTI&#146;s health and welfare plans as of
    December&#160;31, 2009. The amounts presented represent
    Patterson-UTI&#146;s portion of the premiums for three years in
    the case of Mr.&#160;Wall and two years in the case of
    Messrs.&#160;Vollmer and Wexler based on the rates in effect at
    December&#160;31, 2009.</TD>
</TR>

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    31
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="2%"></TD>
    <TD width="1%"></TD>
    <TD width="97%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (6) </TD>
    <TD></TD>
    <TD valign="bottom">
    Assumes Mr.&#160;Wall would be subject to an excise tax on
    payments received under the existing agreements if a change in
    control had occurred as of December&#160;31, 2009. Amount
    presented in the table represents the
    <FONT style="white-space: nowrap">gross-up</FONT>
    payment that Mr.&#160;Wall would be entitled to as a result of
    the imposition of the excise tax.</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    All restricted stock and performance unit awards held by Named
    Executive Officers provide that in the event of termination of
    employment due to death or disability, the Named Executive
    Officer would vest in a portion of the award. With respect to
    Mr.&#160;Wall, such a termination would have resulted in the
    accelerated vesting of 41,262&#160;shares of restricted stock
    with a fair value of $633,372. With respect to
    Messrs.&#160;Vollmer and Berns, such a termination at
    December&#160;31, 2009 would have resulted in the accelerated
    vesting of 18,970&#160;shares of restricted stock with a fair
    value of $291,190. With respect to Mr.&#160;Siegel, such a
    termination at December&#160;31, 2009 would have resulted in the
    accelerated vesting of 37,942&#160;shares of restricted stock
    with a fair value of $582,410. With respect to Mr.&#160;Wexler,
    such a termination would have resulted in the accelerated
    vesting of 1,957&#160;shares of restricted stock with a fair
    value of $30,400. In the event of termination of employment due
    to death or disability, the Named Executive Officer would vest
    in the portion of the performance unit award that was earned at
    the time of death or disability. This payment would be
    determined at the end of the performance period and would equal
    the amount that the Named Executive Officer would have received
    at that time, pro-rated for the amount of time from the date of
    grant through the date of death or disability.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI has entered into an indemnification agreement with
    each of its Named Executive Officers and directors containing
    provisions that may require Patterson-UTI, among other things,
    to indemnify such executive officers and directors against
    liabilities that may arise by reason of their status or service
    as executive officers or directors (subject to certain
    exceptions) and to advance expenses incurred as a result of any
    proceeding against them as to which they could be indemnified.
</DIV>


<!-- link1 "CERTAIN TRANSACTIONS" -->
<DIV align="left"><A NAME="014"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">CERTAIN
    TRANSACTIONS</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In connection with the acquisition by REMY Capital Partners III,
    L.P. (&#147;REMY Capital&#148;) of an ownership interest in UTI
    Energy Corp. in March 1995, REMY Capital succeeded to a
    registration rights agreement with UTI. As the
    <FONT style="white-space: nowrap">successor-in-interest</FONT>
    to UTI, Patterson-UTI assumed this registration rights agreement
    pursuant to which REMY Capital has the right to require
    Patterson-UTI to use its reasonable efforts to register shares
    held by REMY Capital under the Securities Act of 1933, as
    amended. In the event that such rights are exercised in
    connection with a primary offering proposed by Patterson-UTI (or
    a secondary offering with which Patterson-UTI agrees to
    participate), REMY Capital would bear its pro rata share of the
    costs of the offering, other than legal, accounting and printing
    costs, all of which Patterson-UTI would bear. In the event that
    REMY Capital elects to exercise such rights other than in
    connection with an offering in which Patterson-UTI participates,
    REMY Capital would bear all costs of the offering. These rights
    continue so long as REMY Capital continues to own the Common
    Stock that it acquired in March 1995. As of the date of this
    proxy statement, REMY Capital continues to hold
    1,000,000&#160;shares of such Common Stock.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Mr.&#160;Siegel, Chairman of the Board of Patterson-UTI, is
    President and sole stockholder of REMY Investors, which is the
    general partner of REMY Capital. Mr.&#160;Berns, a director and
    Senior Vice President of Patterson-UTI, is an executive of REMY
    Investors.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In connection with Mr.&#160;Vollmer&#146;s appointment as Chief
    Financial Officer, Patterson-UTI delivered a letter to
    Mr.&#160;Vollmer dated February&#160;6, 2006 (the &#147;Letter
    Agreement&#148;). Pursuant to the Letter Agreement,
    Patterson-UTI agreed, to the extent permitted by law and
    provided that the applicable accounting restatement pending at
    that time did not result from Patterson-UTI&#146;s material
    non-compliance with financial reporting requirements under the
    federal securities laws as a result of knowing misconduct by
    Mr.&#160;Vollmer:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Patterson-UTI is not entitled to and will not make any claim
    against Mr.&#160;Vollmer for reimbursement of any bonus or other
    incentive or equity based compensation received by him or any
    profits realized by him from the sale of securities of
    Patterson-UTI, under Section 304 of the Sarbanes-Oxley Act of
    2002 (&#147;Section&#160;304&#148;) on account of the
    restatement of any financial statements of Patterson-UTI
    covering any accounting period ending on or prior to
    September&#160;30, 2005;
</TD>
</TR>

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    32
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Patterson-UTI will not make any claim against Mr.&#160;Vollmer
    for any profits realized from the sale of securities of
    Patterson-UTI that were owned by him prior to his becoming Chief
    Financial Officer or were acquired by him on account of the
    exercise of options or the settling of restricted stock units
    that were held by him immediately prior to his becoming Chief
    Financial Officer, under Section&#160;304 on account of the
    restatement of any financial statements of Patterson-UTI
    covering any period during which he was Chief Financial
    Officer;&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    Patterson-UTI will indemnify Mr.&#160;Vollmer against all losses
    in connection with his defense of any claim against him under
    Section&#160;304 in contravention of the two immediately
    preceding bullets, to the extent he is obligated to reimburse
    Patterson-UTI for any bonus or other incentive or equity
    compensation received by him or any profits realized by him for
    the sale of Patterson-UTI securities.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Notwithstanding court decisions that Patterson-UTI&#146;s right
    to make any such claims appears doubtful, Patterson-UTI entered
    into this agreement because of the breadth of language of
    Section&#160;304 and the uncertainty as to how the statute may
    be interpreted by the courts in the future and the importance at
    the time of Mr.&#160;Vollmer&#146;s continued service as Chief
    Financial Officer.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI has a written policy with respect to related
    person transactions. In accordance with this policy, related
    person transactions are reviewed by the Lead Director or the
    chair of the Audit Committee, each of whom has full delegated
    authority to approve, disapprove, ratify, amend, terminate or
    rescind any such transaction, or direct that such transaction be
    submitted to the Audit Committee or the full Board of Directors
    for consideration. In approving or disapproving related person
    transactions, the relevant facts and circumstances of the
    related person transaction are considered, including whether
    such transaction is in, or not inconsistent with, the best
    interest of Patterson-UTI and whether, in appropriate cases,
    such transaction is on commercial terms at least as favorable to
    Patterson-UTI as would otherwise be available to or from an
    unrelated third party or to Patterson-UTI&#146;s employees
    generally. Related person transactions generally include
    transactions in an amount that exceeds $50,000 between
    Patterson-UTI or any of its subsidiaries and an executive
    officer, a director (or nominee to become director), an
    immediate family member of any of the foregoing or any entity in
    which any of the foregoing has a 10% or greater beneficial
    ownership interest or in which they are an executive officer,
    general partner, principal or engaged in a similar position.
    Certain related person transactions have been pre-approved under
    the terms of the policy, including, subject to certain
    exceptions and limitations, the sale to or purchase from
    Patterson-UTI of goods and services by entities related to
    directors in the ordinary course of business that are immaterial
    to Patterson-UTI and with respect to which the director has no
    direct economic interest or decision making authority.
</DIV>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    33
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->


<!-- link1 "SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT" -->
<DIV align="left"><A NAME="015"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">SECURITY
    OWNERSHIP OF CERTAIN<BR>
    BENEFICIAL OWNERS AND MANAGEMENT</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following table sets forth, as of March&#160;9, 2010, the
    stock ownership of (i)&#160;the Named Executive Officers,
    directors and Board nominees, individually, (ii)&#160;all
    directors, Board nominees and executive officers as a group and
    (iii)&#160;each person known by Patterson-UTI to be the
    beneficial owner of more than 5% of Common Stock.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="79%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="8%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="4%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Amount and<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Nature of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
    <B>Name of<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Beneficial<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Percent<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Beneficial Owner</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>Ownership</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>of Class</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Beneficial Owners of more than 5% of Patterson-UTI&#146;s Common
    Stock:
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    FMR LLC
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    16,766,872
</TD>
<TD nowrap align="left" valign="bottom">
    (1)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    10.9
</TD>
<TD nowrap align="left" valign="bottom">
    %
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    BlackRock, Inc.&#160;
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    14,198,366
</TD>
<TD nowrap align="left" valign="bottom">
    (2)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    9.2
</TD>
<TD nowrap align="left" valign="bottom">
    %
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Directors and Executive Officers:
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Mark S. Siegel
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    2,840,332
</TD>
<TD nowrap align="left" valign="bottom">
    (3)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    1.8
</TD>
<TD nowrap align="left" valign="bottom">
    %
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Douglas J. Wall
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    536,319
</TD>
<TD nowrap align="left" valign="bottom">
    (4)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">

</TD>
<TD nowrap align="left" valign="bottom">
    *
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    John E. Vollmer III
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    1,117,166
</TD>
<TD nowrap align="left" valign="bottom">
    (5)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">

</TD>
<TD nowrap align="left" valign="bottom">
    *
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Kenneth N. Berns
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    915,166
</TD>
<TD nowrap align="left" valign="bottom">
    (6)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">

</TD>
<TD nowrap align="left" valign="bottom">
    *
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Seth D. Wexler
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    15,000
</TD>
<TD nowrap align="left" valign="bottom">
    (7)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">

</TD>
<TD nowrap align="left" valign="bottom">
    *
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Charles O. Buckner
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    42,000
</TD>
<TD nowrap align="left" valign="bottom">
    (8)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">

</TD>
<TD nowrap align="left" valign="bottom">
    *
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Curtis W. Huff
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    85,880
</TD>
<TD nowrap align="left" valign="bottom">
    (9)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">

</TD>
<TD nowrap align="left" valign="bottom">
    *
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Terry H. Hunt
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    63,000
</TD>
<TD nowrap align="left" valign="bottom">
    (10)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">

</TD>
<TD nowrap align="left" valign="bottom">
    *
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Kenneth R. Peak
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    60,000
</TD>
<TD nowrap align="left" valign="bottom">
    (11)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">

</TD>
<TD nowrap align="left" valign="bottom">
    *
</TD>
</TR>
<TR valign="bottom">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Cloyce A. Talbott
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    1,549,476
</TD>
<TD nowrap align="left" valign="bottom">
    (12)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    1.0
</TD>
<TD nowrap align="left" valign="bottom">
    %
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    All directors and executive officers as a group (11&#160;persons)
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    7,248,593
</TD>
<TD nowrap align="left" valign="bottom">
    (13)
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    4.6
</TD>
<TD nowrap align="left" valign="bottom">
    %
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV style="font-size: 1pt; margin-left: 0%; width: 13%;  align: left; border-bottom: 1pt solid #000000"></DIV>

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    *&#160;</TD>
    <TD></TD>
    <TD valign="bottom">
    indicates less than 1.0%</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (1) </TD>
    <TD></TD>
    <TD valign="bottom">
    Based solely on a Schedule&#160;13G/A filed February&#160;16,
    2010, jointly on behalf of FMR LLC (&#147;FMR&#148;), Edward C.
    Johnson 3d, and Fidelity Management&#160;&#038; Research
    Company, a wholly-owned subsidiary of FMR
    (&#147;Fidelity&#148;). According to the report, the shares are
    beneficially owned as follows: Fidelity&#160;&#151;
    15,386,902&#160;shares; Pyramis Global Advisors LLC, an indirect
    wholly-owned subsidiary of FMR (&#147;PGALLC&#148;)&#160;&#151;
    394,310&#160;shares; Pyramis Global Advisors Trust Company, an
    indirect wholly-owned subsidiary of FMR
    (&#147;PGATC&#148;)&#160;&#151; 658,440&#160;shares; FIL Limited
    (&#147;FIL&#148;)&#160;&#151; 327,220&#160;shares. FMR and FIL
    are of the view that the shares held by the other entity need
    not be aggregated for purposes of Section&#160;13(d) under the
    Securities Exchange Act of 1934, but FMR filed the report on a
    voluntary basis as if all of the shares are beneficially owned
    by FMR and FIL on a joint basis. The Fidelity Funds&#146; Board
    of Trustees has sole voting power over the shares that are
    beneficially owned by Fidelity, and Edward C. Johnson 3d and
    FMR, through control of Fidelity and the Fidelity Funds, each
    has sole dispositive power over the 15,386,902&#160;shares owned
    by the Fidelity Funds. Edward C. Johnson 3d and FMR, through
    control of PGALLC, PGATC, and FMR LLC subsidiaries, each has
    sole dispositive power and sole power to vote or direct the
    voting of the shares beneficially owned by PGALLC and PGATC. FIL
    and various foreign-based subsidiaries of FMR provide investment
    advisory and management services to a number of
    <FONT style="white-space: nowrap">non-U.S.</FONT>
    investment companies and certain institutional investors.
    Partnerships controlled predominantly by members of the family
    of Edward C. Johnson 3d, or trusts for their benefit, own shares
    of voting stock of FIL with the right to cast approximately 47%
    of the total votes which may be cast by all holders of FIL
    voting stock. FMR and FIL are separate and independent corporate
    entities and their Boards of Directors are generally composed of
    different individuals. The address of FMR, Edward C. Johnson 3d
    and Fidelity is 82 Devonshire Street, Boston, MA 02109. The
    address of PGALLC and PGATC is 53 State Street, Boston, MA
    02109. The address of FIL is Pembroke Hall, 42 Crow Lane,
    Hamilton, Bermuda.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (2) </TD>
    <TD></TD>
    <TD valign="bottom">
    Based solely on a Schedule&#160;13G/A filed jointly by
    BlackRock, Inc. with the SEC on January&#160;29, 2010. According
    to the report, BlackRock, Inc. has sole voting and dispositive
    power with respect to </TD>
</TR>
<!-- XBRL Paragraph Pagebreak -->

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    34
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96%"></TD>
</TR>

<TR>
    <TD valign="top">
</TD>
    <TD></TD>
    <TD valign="bottom">
    14,198,366&#160;shares. The address of the principal business
    office of BlackRock, Inc. is 40 East 52nd Street, New York, New
    York 10022.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (3) </TD>
    <TD></TD>
    <TD valign="bottom">
    Mr.&#160;Siegel is the President and sole stockholder of REMY
    Investors, which is the general partner of REMY Capital Partners
    III, L.P. (&#147;REMY Capital&#148;). The Common Stock
    beneficially owned by Mr.&#160;Siegel includes
    1,000,000&#160;shares of Common Stock owned by REMY Capital. The
    Common Stock beneficially owned by Mr.&#160;Siegel also includes
    stock options held by Mr.&#160;Siegel, which are presently
    exercisable or become exercisable within sixty days, to purchase
    1,475,332&#160;shares of Common Stock, but does not include
    312,668&#160;shares underlying stock options held by
    Mr.&#160;Siegel that are not presently exercisable and will not
    become exercisable within sixty days. Includes
    152,744&#160;shares of unvested restricted Common Stock held by
    Mr.&#160;Siegel, over which he presently has voting power.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (4) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying stock options held by Mr.&#160;Wall,
    which are presently exercisable or become exercisable within
    sixty days, to purchase 303,027&#160;shares of Common Stock, but
    does not include 237,973&#160;shares underlying stock options
    held by Mr.&#160;Wall that are not presently exercisable and
    will not become exercisable within sixty days. Includes
    134,543&#160;shares of unvested restricted Common Stock held by
    Mr.&#160;Wall, over which he presently has voting power.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (5) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying stock options held by
    Mr.&#160;Vollmer, which are presently exercisable or become
    exercisable within sixty days, to purchase 947,666&#160;shares.
    Does not include 156,334&#160;shares underlying stock options
    held by Mr.&#160;Vollmer that are not presently exercisable and
    will not become exercisable within sixty days. Includes
    76,372&#160;shares of unvested restricted Common Stock held by
    Mr.&#160;Vollmer, over which he presently has voting power.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (6) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying stock options held by Mr.&#160;Berns,
    which are presently exercisable or become exercisable within
    sixty days, to purchase 737,666&#160;shares. Does not include
    156,334&#160;shares underlying stock options that are not
    presently exercisable and will not become exercisable within
    sixty days. Includes 76,372&#160;shares of unvested restricted
    Common Stock held by Mr.&#160;Berns, over which he presently has
    voting power. Does not include shares of Common Stock
    beneficially owned by REMY Investors. Mr.&#160;Berns disclaims
    beneficial ownership of such shares beneficially owned by REMY
    Investors.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (7) </TD>
    <TD></TD>
    <TD valign="bottom">
    Does not include 15,000&#160;shares underlying stock options
    that are not presently exercisable and will not become
    exercisable within sixty days. Includes 15,000&#160;shares of
    unvested restricted Common Stock held by Mr.&#160;Wexler, over
    which he presently has voting power.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (8) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying presently exercisable stock options
    held by Mr.&#160;Buckner to purchase 30,000&#160;shares. Does
    not include 10,000&#160;shares underlying stock options held by
    Mr.&#160;Buckner that are not presently exercisable and will not
    become exercisable within sixty days. Includes 3,000&#160;shares
    of unvested restricted Common Stock held by Mr.&#160;Buckner,
    over which he presently has voting power.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (9) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying presently exercisable stock options
    held by Mr.&#160;Huff to purchase 40,000&#160;shares. Does not
    include 10,000&#160;shares underlying stock options held by
    Mr.&#160;Huff that are not presently exercisable and will not
    become exercisable within sixty days. Includes 3,000&#160;shares
    of unvested restricted Common Stock held by Mr.&#160;Huff, over
    which he presently has voting power.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (10) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying presently exercisable stock options
    held by Mr.&#160;Hunt to purchase 40,000&#160;shares. Does not
    include 10,000&#160;shares underlying stock options held by
    Mr.&#160;Hunt that are not presently exercisable and will not
    become exercisable within sixty days. Includes 3,000&#160;shares
    of unvested restricted Common Stock held by Mr.&#160;Hunt, over
    which he presently has voting power.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (11) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying presently exercisable stock options
    held by Mr.&#160;Peak to purchase 40,000&#160;shares. Does not
    include 10,000&#160;shares underlying stock options held by
    Mr.&#160;Peak that are not presently exercisable and will not
    become exercisable within sixty days. Includes 3,000&#160;shares
    of unvested restricted Common Stock held by Mr.&#160;Peak, over
    which he presently has voting power.</TD>
</TR>


<TR style="line-height: 3pt; font-size: 1pt"><TD>&nbsp;</TD></TR>

<TR>
    <TD align="right" valign="top">
    (12) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying stock options held by
    Mr.&#160;Talbott, which are presently exercisable or become
    exercisable within sixty days, to purchase
    1,200,000&#160;shares. Includes 17,798&#160;shares of unvested
    restricted Common Stock held by Mr.&#160;Talbott, over which he
    presently has voting power.</TD>
</TR>

</TABLE>
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<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    35
</DIV><!-- END PAGE WIDTH -->
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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV style="margin-top: 3pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96%"></TD>
</TR>

<TR>
    <TD align="right" valign="top">
    (13) </TD>
    <TD></TD>
    <TD valign="bottom">
    Includes shares underlying stock options, which are presently
    exercisable or become exercisable within sixty days, to purchase
    4,817,025&#160;shares of Common Stock. Does not include shares
    underlying stock options to purchase 924,975&#160;shares held by
    such individuals that are not presently exercisable and will not
    become exercisable within sixty days. Includes an aggregate of
    498,582&#160;shares of unvested restricted Common Stock held by
    certain directors and executive officers, over which they
    presently have voting power.</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Except as stated herein, each stockholder has sole voting and
    investment power with respect to Common Stock included in the
    above table. There are no arrangements known to Patterson-UTI
    which may result in a change in control.
</DIV>
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<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    36
</DIV><!-- END PAGE WIDTH -->
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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->


<!-- link1 "AUDIT COMMITTEE REPORT" -->
<DIV align="left"><A NAME="016"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">AUDIT
    COMMITTEE REPORT</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The following report of the Audit Committee does not constitute
    soliciting material and should not be deemed filed or
    incorporated by reference into any other Patterson-UTI filing
    under the Securities Act of 1933, as amended, or the Exchange
    Act, except to the extent Patterson-UTI specifically
    incorporates this report by reference therein.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Audit Committee has reviewed and discussed the audited
    financial statements with management and Patterson-UTI&#146;s
    independent registered public accounting firm.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Audit Committee has discussed with the independent
    registered public accounting firm the matters required to be
    discussed by Auditing Standard 380, <I>The Auditor&#146;s
    Communication with those Charged with Governance</I>, as adopted
    by the Public Company Accounting Oversight Board in
    Rule&#160;3200T.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Audit Committee has received and reviewed the written
    disclosures and the letter from the independent registered
    public accounting firm required by applicable requirements of
    the Public Company Accounting Oversight Board regarding the
    independent registered public accounting firm&#146;s
    communications with the Audit Committee concerning independence,
    and has discussed with the independent registered public
    accounting firm their independence.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Taking the foregoing into consideration, the undersigned Audit
    Committee members recommended to the Board of Directors that the
    Board approve the inclusion of Patterson-UTI&#146;s audited
    financial statements in the Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    for the fiscal year ended December&#160;31, 2009.
</DIV>

<DIV style="margin-top: 24pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 49%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Audit Committee of the Board of Directors:
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 49%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Charles O. Buckner, <I>Chairman<BR>
    </I>Curtis W. Huff<BR>
    Terry H. Hunt
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">PricewaterhouseCoopers
    Fees for Fiscal Years 2009 and 2008</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    In 2009 and 2008, Patterson-UTI and its subsidiaries incurred
    fees for services provided relating to (i)&#160;professional
    services rendered for the audit of Patterson-UTI&#146;s annual
    financial statements, review of quarterly financial statements,
    and assessment of Patterson-UTI&#146;s internal controls over
    financial reporting, (ii)&#160;professional services rendered
    for tax compliance, advice and planning, and (iii)&#160;products
    and services provided by PricewaterhouseCoopers LLP.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
<!-- Table Width Row BEGIN -->
<TR style="font-size: 1pt" valign="bottom">
    <TD width="69%">&nbsp;</TD>	<!-- colindex=01 type=maindata -->
    <TD width="2%">&nbsp;</TD>	<!-- colindex=02 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=02 type=lead -->
    <TD width="11%" align="right">&nbsp;</TD>	<!-- colindex=02 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=02 type=hang1 -->
    <TD width="3%">&nbsp;</TD>	<!-- colindex=03 type=gutter -->
    <TD width="1%" align="right">&nbsp;</TD>	<!-- colindex=03 type=lead -->
    <TD width="11%" align="right">&nbsp;</TD>	<!-- colindex=03 type=body -->
    <TD width="1%" align="left">&nbsp;</TD>	<!-- colindex=03 type=hang1 -->
</TR>
<!-- Table Width Row END -->
<!-- TableOutputHead -->
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Fees Incurred in<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Fees Incurred in<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Fiscal Year<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom">
    <B>Fiscal Year<BR>
    </B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom" align="center">
<TD nowrap align="left" valign="bottom">
<DIV style="border-bottom: 1px solid #000000; width: 1%; padding-bottom: 1px">
    <B>Description</B>
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>2009</B>
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD colspan="2" nowrap align="center" valign="bottom" style="border-bottom: 1px solid #000000">
    <B>2008</B>
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR style="line-height: 3pt; font-size: 1pt">
<TD>&nbsp;
</TD>
</TR>
<!-- TableOutputBody -->
<TR valign="bottom" style="background: #CCEEFF">
<TD nowrap align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Audit fees
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,175,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,201,750
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    Tax fees
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    40,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    45,000
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="background: #CCEEFF">
<TD align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 10pt">
    All other fees
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    1,600
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD nowrap align="right" valign="bottom">
    1,600
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="font-size: 1pt">
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD style="border-top: 1px solid #000000">
&nbsp;
</TD>
<TD style="border-top: 1px solid #000000">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD style="border-top: 1px solid #000000">
&nbsp;
</TD>
<TD style="border-top: 1px solid #000000">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
<TR valign="bottom">
<TD nowrap align="left" valign="bottom">
<DIV style="text-indent: -10pt; margin-left: 20pt">
    Total
</DIV>
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,216,600
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD nowrap align="left" valign="bottom">
    $
</TD>
<TD nowrap align="right" valign="bottom">
    1,248,350
</TD>
<TD nowrap align="left" valign="bottom">
&nbsp;
</TD>
</TR>
<TR valign="bottom" style="font-size: 1pt">
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD style="border-top: 3px double #000000">
&nbsp;
</TD>
<TD style="border-top: 3px double #000000">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
<TD style="border-top: 3px double #000000">
&nbsp;
</TD>
<TD style="border-top: 3px double #000000">
&nbsp;
</TD>
<TD>
&nbsp;
</TD>
</TR>
</TABLE>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">

</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Audit Committee appoints the independent registered public
    accounting firm. The Audit Committee or Mr.&#160;Buckner, as
    Chairman of the Audit Committee, approves all other engagements
    of the independent registered public accounting firm in advance.
    In the event Mr.&#160;Buckner approves any such engagement, he
    discusses such approval with the Audit Committee at its next
    meeting.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    &#147;Audit fees&#148; relate to audit services of
    PricewaterhouseCoopers LLP for fiscal 2009 and 2008 consisting
    of the examination of Patterson-UTI&#146;s consolidated
    financial statements, quarterly reviews of Patterson-UTI&#146;s
    interim financial statements and services to assess
    Patterson-UTI&#146;s internal control over financial reporting.
    &#147;Tax fees&#148; include federal, state, local and foreign
    tax compliance and related matters. &#147;All other fees&#148;
    consists of an annual subscription fee to a software product.
    The Audit Committee or Mr.&#160;Buckner, as Chairman of the
    Audit Committee, approved all of the services described above.
</DIV>
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    <BR>
    37
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The Audit Committee has discussed the non-audit services
    provided by PricewaterhouseCoopers LLP and the related fees and
    has considered whether those services and fees are compatible
    with maintaining auditor independence. The Audit Committee
    determined that such non-audit services were consistent with the
    independence of PricewaterhouseCoopers LLP.
</DIV>


<!-- link1 "OTHER MATTERS" -->
<DIV align="left"><A NAME="017"></A></DIV>


<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">OTHER
    MATTERS</FONT></B>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Section&#160;16(a)
    Beneficial Ownership Reporting Compliance</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Section&#160;16(a) of the Exchange Act requires
    Patterson-UTI&#146;s officers and directors and persons who own
    more than 10&#160;percent of a registered class of
    Patterson-UTI&#146;s equity securities, to file reports of
    ownership and changes in ownership with the SEC. Each of these
    persons is required by SEC regulation to furnish Patterson-UTI
    with copies of Section&#160;16(a) filings. Based solely upon a
    review of Forms&#160;3 and 4 and amendments thereto furnished to
    Patterson-UTI during 2009 and Forms&#160;5 and amendments
    thereto furnished to Patterson-UTI with respect to 2009, or a
    written representation from the reporting person that no
    Form&#160;5 is required, all filings required to be made by such
    officers, directors, and beneficial owners of more than
    10&#160;percent of a registered class of Patterson-UTI&#146;s
    common stock were timely made.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Other
    Business</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    As of the date of this proxy statement, management of
    Patterson-UTI was not aware of any matter to be presented at the
    Meeting other than as set forth herein. If any other matters are
    properly brought before the Meeting, however, the shares
    represented by valid proxies will be voted with respect to such
    matters in accordance with the judgment of the persons voting
    them.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Stockholder
    Proposals for 2011 Annual Meeting</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Proposals or Director Nominations for Inclusion in the Proxy
    Statement.</I>&#160;&#160;Pursuant to
    <FONT style="white-space: nowrap">Rule&#160;14a-8</FONT>
    under the Exchange Act, stockholders may present proper
    proposals or director nominations for inclusion in
    Patterson-UTI&#146;s proxy statement and for consideration at
    the next annual meeting of stockholders by submitting their
    proposals or director nominations to Patterson-UTI in a timely
    manner. In order to be included in Patterson-UTI&#146;s proxy
    statement for the 2011 annual meeting of stockholders, proposals
    or director nominations from stockholders must be received by
    Patterson-UTI no later than November&#160;11, 2010, and must
    otherwise comply with the requirements of
    <FONT style="white-space: nowrap">Rule&#160;14a-8.</FONT>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Proposals or Director Nominations not Included in the Proxy
    Statement.</I>&#160;&#160;In addition, Patterson-UTI&#146;s
    bylaws establish an advance notice procedure with regard to
    stockholder proposals and director nominations not included in
    Patterson-UTI&#146;s proxy statement. For director nominations
    not included in Patterson-UTI&#146;s proxy statement, please
    refer to &#147;Election of Directors&#160;&#151; Meetings and
    Committees of the Board of Directors.&#148; For stockholder
    proposals to be properly brought before the 2011 annual meeting,
    by a stockholder, the stockholder must be a stockholder of
    record on the date of the giving of the notice provided for
    below and on the record date for the determination of
    stockholders entitled to vote at such annual meeting and must
    give timely notice of such business in writing to the Secretary
    of Patterson-UTI. To be timely with respect to the 2011 annual
    meeting, a stockholder&#146;s notice must be delivered to or
    mailed and received at Patterson-UTI&#146;s principal executive
    offices not earlier than December&#160;27, 2010 and not later
    than January&#160;26, 2011; provided, however, that in the event
    that the annual meeting is called for a date that is not within
    30&#160;days before or after April&#160;26, 2011, notice by the
    stockholder to be timely must be received not later than the
    close of business on the tenth day following the day on which
    such notice of the date of the meeting was mailed or public
    disclosure of the annual meeting date was made, whichever occurs
    first.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    A stockholder&#146;s notice to the Secretary of Patterson-UTI
    shall set forth:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    a brief description of each matter desired to be brought before
    the annual meeting and the reasons for conducting such business
    at the annual meeting,
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the name and record address of the stockholder proposing such
    business,
</TD>
</TR>

</TABLE>
<!-- XBRL Pagebreak Begin -->

<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    38
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">

<TR>
    <TD width="4%"></TD>
    <TD width="2%"></TD>
    <TD width="94%"></TD>
</TR>

<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    the class and number of shares of Patterson-UTI that are
    beneficially owned by the stockholder,
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    any material interest of the stockholder in such
    business,&#160;and
</TD>
</TR>


<TR style="line-height: 6pt; font-size: 1pt"><TD>&nbsp;</TD></TR>


<TR valign="top" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <TD>&nbsp;</TD>
    <TD>    &#149;&#160;
</TD>
    <TD align="left">
    a representation that such stockholder intends to appear in
    person or by proxy at the annual meeting to bring such business
    before the annual meeting.
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The proxies will have discretionary authority to vote on any
    matter that properly comes before the annual meeting if the
    stockholder has not provided timely written notice as required
    by the Patterson-UTI bylaws.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI reserves the right to reject, rule out of order,
    or take other appropriate action with respect to any proposal or
    nomination that does not comply with these and other applicable
    requirements.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Annual
    Report</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    A copy of Patterson-UTI&#146;s annual report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    (the &#147;Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K&#148;)</FONT>
    accompanies this proxy statement only if you have requested that
    a copy of this proxy statement be mailed to you. The Annual
    Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    also is available electronically by following the instructions
    in the Notice. The Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K</FONT>
    is not incorporated into this proxy statement and is not
    considered proxy-soliciting material.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    A copy of the Annual Report on
    <FONT style="white-space: nowrap">Form&#160;10-K,</FONT>
    excluding exhibits, may be obtained by stockholders without
    charge by written request to the Secretary of Patterson-UTI at
    450 Gears Road, Suite&#160;500, Houston, Texas 77067 or by
    accessing it on Patterson-UTI&#146;s website at
    www.patenergy.com in the investors section under the
    &#147;financial reports&#148; link.
</DIV>
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    <BR>
    39
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<!-- link1 "Appendix A" -->
<DIV align="left"><A NAME="018"></A></DIV>


<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="right" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">Appendix&#160;A</FONT></B>
</DIV>

<DIV style="margin-top: 18pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">PATTERSON-UTI
    ENERGY, INC.</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">2005
    LONG-TERM INCENTIVE PLAN</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Patterson-UTI Energy, Inc. (the &#147;Company&#148;), a Delaware
    corporation, hereby establishes and adopts the following 2005
    Long-Term Incentive Plan (the &#147;Plan&#148;).
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">1.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">PURPOSE
    OF THE PLAN</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    The purpose of the Plan is to assist the Company and its
    Subsidiaries in attracting and retaining selected individuals to
    serve as directors, employees, consultants
    <FONT style="white-space: nowrap">and/or</FONT>
    advisors of the Company who are expected to contribute to the
    Company&#146;s success and to achieve long-term objectives which
    will inure to the benefit of all stockholders of the Company
    through the additional incentives inherent in the Awards
    hereunder.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">2.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">DEFINITIONS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.1.</B>&#160;&#147;<I>Award</I>&#148; shall mean any Option,
    Stock Appreciation Right, Restricted Stock Award, Performance
    Award, Other Stock Unit Award or any other right, interest or
    option relating to Shares or other property (including cash)
    granted pursuant to the provisions of the Plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.2.</B>&#160;&#147;<I>Award Agreement</I>&#148; shall mean
    any written agreement, contract or other instrument or document
    evidencing any Award granted by the Committee hereunder.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.3.</B>&#160;&#147;<I>Board</I>&#148; shall mean the board
    of directors of the Company.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.4&#160; </B><I>&#147;Change of Control of the Company&#148;
    shall mean the occurrence of any of the following after
    April&#160;26, 2010:</I>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>i.&#160;The acquisition by any individual, entity or group
    (within the meaning of Section&#160;13(d)(3) or 14(d)(2) of the
    Securities Exchange Act of 1934, as amended) (a &#147;Covered
    Person&#148;) of beneficial ownership (within the meaning of
    <FONT style="white-space: nowrap">rule&#160;13d-3</FONT>
    promulgated under the Exchange Act) of 35% or more of either
    (A)&#160;the then outstanding shares of the common stock of the
    Company (the &#147;Outstanding Company Common Stock&#148;), or
    (B)&#160;the combined voting power of the then outstanding
    voting securities of the Company entitled to vote generally in
    the election of directors (the &#147;Outstanding Company Voting
    Securities&#148;); provided, however, that for purposes of this
    subsection&#160;(i) of this Section&#160;2.4, the following
    acquisitions shall not constitute a Change in Control of the
    Company: (A)&#160;any acquisition directly from the Company,
    (B)&#160;any acquisition by the Company, (C)&#160;any
    acquisition by any employee benefit plan (or related trust)
    sponsored or maintained by the Company or any entity controlled
    by the Company, or (D)&#160;any acquisition by any corporation
    pursuant to a transaction which complies with clauses (A),
    (B)&#160;and (C)&#160;of subsection&#160;(iii) of this
    Section&#160;2.4; or</I>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>ii.&#160;Individuals who, as of April&#160;26, 2010,
    constitute the Board of Directors (the &#147;Incumbent
    Board&#148;) cease for any reason to constitute at least a
    majority of the Board of Directors; provided, however, that any
    individual becoming a director subsequent to April&#160;26, 2010
    whose election, or nomination for election by the Company&#146;s
    stockholders, was approved by a vote of at least a majority of
    the directors then comprising the Incumbent Board shall be
    considered as though such individual were a member of the
    Incumbent Board, but excluding, for this purpose, any such
    individual whose initial assumption of office occurs as a result
    of an actual or threatened election contest with respect to the
    election or removal of directors or other actual or threatened
    solicitation of proxies or consents by or on behalf of a Covered
    Person other than the Board; or</I>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>iii.&#160;Consummation of (xx)&#160;a reorganization, merger
    or consolidation or sale of the Company or any subsidiary of the
    Company, or (yy) a disposition of all or substantially all of
    the assets of the Company (a &#147;Business Combination&#148;),
    in each case, unless, following such Business Combination,
    (A)&#160;all or substantially all of the individuals and
    entities who were the beneficial owners, respectively, of the
    Outstanding Company Common Stock and Outstanding Company Voting
    Securities immediately prior to such Business Combination
    beneficially own, direct or indirectly, more than 65% of,
    respectively, the then outstanding shares of common </I>
</DIV>
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<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>stock and the combined voting power of the then outstanding
    voting securities entitled to vote generally in the election of
    directors, as the case may be, of the corporation resulting from
    such Business Combination (including, without limitation, a
    corporation which as a result of such transaction owns the
    Company or all or substantially all of the Company&#146;s assets
    either directly or through one or more subsidiaries) in
    substantially the same proportions as their ownership
    immediately prior to such Business Combination of the
    Outstanding Company Common Stock and Outstanding Company Voting
    Securities, as the case may be, (B)&#160;no Covered Person
    (excluding any employee benefit plan (or related trust) of the
    Company or such corporation resulting from such Business
    Combination) beneficially owns, directly or indirectly, 35% or
    more of, respectively, the then outstanding shares of common
    stock of the corporation resulting from such Business
    Combination or the combined voting power of the then outstanding
    voting securities of such corporation, except to the extent that
    such ownership existed prior to the Business Combination, and
    (C)&#160;at least a majority of the members of the board of
    directors of the corporation resulting from such Business
    Combination were members of the Incumbent Board at the time of
    the execution of the initial agreement, or, if earlier, of the
    action of the Board of Directors, providing for such Business
    Combination.</I>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.5.</B>&#160;&#147;<I>Code</I>&#148; shall mean the Internal
    Revenue Code of 1986, as amended from time to time.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.6.</B>&#160;&#147;<I>Committee</I>&#148; shall mean the
    Compensation Committee of the Board, consisting of no fewer than
    two Directors, each of whom is (i)&#160;a &#147;Non-Employee
    Director&#148; within the meaning of
    <FONT style="white-space: nowrap">Rule&#160;16b-3</FONT>
    of the Exchange Act, (ii)&#160;an &#147;outside director&#148;
    within the meaning of Section&#160;162(m) of the Code, and
    (iii)&#160;an &#147;independent director&#148; for purpose of
    the rules and regulations of the NASDAQ Stock Market.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.7.</B>&#160;&#147;<I>Covered Employee</I>&#148; shall mean
    a &#147;covered employee&#148; within the meaning of
    Section&#160;162(m) of the Code.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.8.</B>&#160;&#147;<I>Director</I>&#148; shall mean a
    non-employee member of the Board.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.9.</B>&#160;&#147;<I>Dividend Equivalents</I>&#148; shall
    have the meaning set forth in Section <I>12.6.</I>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.10.</B>&#160;&#147;<I>Employee</I>&#148; shall mean any
    employee of the Company or any Subsidiary and any prospective
    employee conditioned upon, and effective not earlier than, such
    person&#146;s becoming an employee of the Company or any
    Subsidiary. Solely for purposes of the Plan, an Employee shall
    also mean any consultant or advisor who provides services to the
    Company or any Subsidiary, so long as such person
    (i)&#160;renders bona fide services that are not in connection
    with the offer and sale of the Company&#146;s securities in a
    capital-raising transaction and (ii)&#160;does not directly or
    indirectly promote or maintain a market for the Company&#146;s
    securities.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.11.</B>&#160;&#147;<I>Exchange Act</I>&#148; shall mean the
    Securities Exchange Act of 1934, as amended.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.12.</B>&#160;&#147;<I>Fair Market Value</I>&#148; shall
    mean, with respect to any property other than Shares, the market
    value of such property determined by such methods or procedures
    as shall be established from time to time by the Committee. The
    Fair Market Value of Shares as of any date shall be the per
    Share closing price of the Shares as reported on the NASDAQ
    Stock Market on that date (or if there were no reported prices
    on such date, on the last preceding date on which the prices
    were reported) or, if the Company is not then listed on the
    NASDAQ Stock Market, on the principal national securities
    exchange on which the Company is listed, and if the Company is
    not then listed on the NASDAQ Stock Market or any national
    securities exchange, the Fair Market Value of Shares shall be
    determined by the Committee in its sole discretion using
    appropriate criteria.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.13.</B>&#160;&#147;<I>Freestanding Stock Appreciation
    Right</I>&#148; shall have the meaning set forth in
    Section&#160;6.1.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.14.</B>&#160;&#147;<I>Limitations</I>&#148; shall have the
    meaning set forth in Section&#160;10.5.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.15.</B>&#160;&#147;<I>Option</I>&#148; shall mean any right
    granted to a Participant under the Plan allowing such
    Participant to purchase Shares at such price or prices and
    during such period or periods as the Committee shall determine.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.16.</B>&#160;&#147;<I>Other Stock Unit Award</I>&#148;
    shall have the meaning set forth in Section&#160;8.1.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.17.</B>&#160;&#147;<I>Participant</I>&#148; shall mean an
    Employee or Director who is selected by the Committee to receive
    an Award under the Plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.18.</B>&#160;&#147;<I>Payee</I>&#148; shall have the
    meaning set forth in Section&#160;13.1.
</DIV>
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    <BR>
    A-2
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.19.</B>&#160;&#147;<I>Performance Award</I>&#148; shall
    mean any Award of Performance Shares or Performance Units
    granted pursuant to Article&#160;9.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.20.</B>&#160;&#147;<I>Performance Period</I>&#148; shall
    mean that period established by the Committee at the time any
    Performance Award is granted or at any time thereafter during
    which any performance goals specified by the Committee with
    respect to such Award are to be measured.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.21.</B>&#160;&#147;<I>Performance Share</I>&#148; shall
    mean any grant pursuant to Article&#160;9 of a unit valued by
    reference to a designated number of Shares, which value may be
    paid to the Participant by delivery of such property as the
    Committee shall determine, including cash, Shares, other
    property, or any combination thereof, upon achievement of such
    performance goals during the Performance Period as the Committee
    shall establish at the time of such grant or thereafter.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.22.</B>&#160;&#147;<I>Performance Unit</I>&#148; shall mean
    any grant pursuant to Section&#160;9 of a unit valued by
    reference to a designated amount of property (including cash)
    other than Shares, which value may be paid to the Participant by
    delivery of such property as the Committee shall determine,
    including cash, Shares, other property, or any combination
    thereof, upon achievement of such performance goals during the
    Performance Period as the Committee shall establish at the time
    of such grant or thereafter.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.23.</B>&#160;&#147;<I>Permitted Assignee</I>&#148; shall
    have the meaning set forth in Section&#160;12.3.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.24.</B>&#160;&#147;<I>Prior Plans</I>&#148; shall mean,
    collectively, the Company&#146;s Amended and Restated 1997
    Long-Term Incentive Plan, Amended and Restated Non-Employee
    Director Stock Option Plan, Non-Employee Directors Stock Option
    Plan, Amended and Restated 1996 Employee Stock Option Plan, the
    Company&#146;s Amended and Restated 2001 Long-Term Incentive
    Plan and the Company&#146;s 1993 Stock Incentive Plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.25.</B>&#160;&#147;<I>Restricted Stock</I>&#148; shall mean
    any Share issued with the restriction that the holder may not
    sell, transfer, pledge or assign such Share and with such other
    restrictions as the Committee, in its sole discretion, may
    impose (including any restriction on the right to vote such
    Share and the right to receive any dividends), which
    restrictions may lapse separately or in combination at such time
    or times, in installments or otherwise, as the Committee may
    deem appropriate.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.26.</B>&#160;&#147;<I>Restriction Period</I>&#148; shall
    have the meaning set forth in Section&#160;7.1.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.27.</B>&#160;&#147;<I>Restricted Stock Award</I>&#148;
    shall have the meaning set forth in Section&#160;7.1.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.28.</B>&#160;&#147;<I>Shares</I>&#148; shall mean the
    shares of common stock of the Company, par value $.01 per share.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.29.</B>&#160;&#147;<I>Stock Appreciation Right</I>&#148;
    shall mean the right granted to a Participant pursuant to
    Section&#160;6.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.30.</B>&#160;&#147;<I>Subsidiary</I>&#148; shall mean any
    corporation or other entity, whether domestic or foreign, in
    which the Company has or obtains, directly or indirectly, a
    proprietary interest of more than fifty percent (50%) by reason
    of stock ownership or otherwise.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.31.</B>&#160;&#147;<I>Substitute Awards</I>&#148; shall
    mean Awards granted or Shares issued by the Company in
    assumption of, or in substitution or exchange for, awards
    previously granted, or the right or obligation to make future
    awards, by a company acquired by the Company or any Subsidiary
    or with which the Company or any Subsidiary combines.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>2.32.</B>&#160;&#147;<I>Tandem Stock Appreciation
    Right</I>&#148; shall have the meaning set forth in
    Section&#160;6.1.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">3.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">SHARES
    SUBJECT TO THE PLAN</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>3.1&#160;</B><I>Number of Shares</I>. (a)&#160;Subject to
    adjustment as provided in Section&#160;12.2 and this
    Section&#160;3.1, the total number of Shares authorized for
    grant under the Plan shall be <B>15,250,000</B>, reduced by the
    total number of Shares subject to any options or awards granted
    under the Prior Plans during the period commencing on
    January&#160;1, 2005 and ending on the effective date of this
    Plan (the &#147;Pre-Effective Period&#148;). Any Shares that are
    subject to Awards of Options or Stock Appreciation Rights,
    whether granted under this Plan or a Prior Plan during the
    Pre-Effective Period, shall be counted against this limit as one
    (1)&#160;Share for every one (1)&#160;Share granted. Any Shares
    that are subject to Awards other than Options or Stock
    Appreciation Rights, whether awarded under this Plan prior to
    June&#160;5, 2008 or a Prior Plan during the Pre-Effective
    Period, shall be counted against this limit as one and six
    tenths (1.6)
</DIV>
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    Shares for every one (1)&#160;Share awarded. Any Shares that are
    subject to Awards other than Options or Stock Appreciation
    Rights awarded under this Plan on or after June&#160;5, 2008
    <I>but prior to April&#160;26, 2010 </I>shall be counted against
    this limit as two (2)&#160;Shares for every one (1)&#160;Share
    awarded. <I>Any Shares that are subject to Awards other than
    Options or Stock Appreciation Rights awarded under this Plan on
    or after April&#160;26, 2010 shall be counted against this limit
    as one and 35 one-hundredths (1.35) Shares for every one
    (1)&#160;Share awarded. </I>In connection with the granting of a
    Performance Unit denominated in dollars, the number of Shares
    that shall be counted against this limit shall be an amount
    equal to the quotient of (i)&#160;the dollar amount in which the
    Performance Unit is denominated, divided by (ii)&#160;the Fair
    Market Value of a Share on the date the Performance Unit is
    granted.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (b)&#160;If any Shares subject to an Award or to an award under
    the Prior Plans are forfeited, expire or otherwise terminate
    without issuance of such Shares, or any Award or award under the
    Prior Plans is settled for cash or otherwise does not result in
    the issuance of all or a portion of the Shares subject to such
    Award, the Shares shall, to the extent of such forfeiture,
    expiration, termination, cash settlement or non-issuance, again
    be available for Awards under the Plan, subject to
    Section&#160;3.1(d) below. If any Shares subject to an Award are
    used to exercise Options, are not issued upon the settlement of
    a Stock Appreciation Right, or are withheld by the Company for
    income or employment taxes, the Shares, shall not become
    available for grant under the Plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (c)&#160;Substitute Awards shall not reduce the Shares
    authorized for grant under the Plan or authorized for grant to a
    Participant in any calendar year. Additionally, in the event
    that a company acquired by the Company or any Subsidiary or with
    which the Company or any Subsidiary combines has shares
    available under a pre-existing plan approved by shareholders and
    not adopted in contemplation of such acquisition or combination,
    the shares available for grant pursuant to the terms of such
    pre-existing plan (as adjusted, to the extent appropriate, using
    the exchange ratio or other adjustment or valuation ratio or
    formula used in such acquisition or combination to determine the
    consideration payable to the holders of common stock of the
    entities party to such acquisition or combination) may be used
    for Awards under the Plan and shall not reduce the Shares
    authorized for grant under the Plan; provided that Awards using
    such available shares shall not be made after the date awards or
    grants could have been made under the terms of the pre-existing
    plan, absent the acquisition or combination, and shall only be
    made to individuals who were not Employees or Directors prior to
    such acquisition or combination.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (d)&#160;Any Shares that again become available for grant
    pursuant to this Article shall be added back as ( w ) one
    (1)&#160;Share if such Shares were subject to Options or Stock
    Appreciation Rights granted under the Plan or options or stock
    appreciation rights granted under the Prior Plans, ( x ) as one
    and six tenths (1.6) Shares if such Shares were subject to
    Awards other than Options or Stock Appreciation Rights granted
    under the Plan <I>or under Prior Plans </I>that are forfeited,
    expire or otherwise terminate prior to June&#160;5, 2008, ( y )
    as two (2)&#160;Shares if such Shares were subject to Awards
    other than Options or Stock Appreciation Rights granted under
    the Plan <I>or under Prior Plans </I>that are forfeited, expire
    or otherwise terminate on or after June&#160;5, 2008 <I>but
    prior to April&#160;26, 2010 or ( z ) as one and thirty-five one
    hundredths (1.35) Shares if such Shares were subject to Awards
    other than Options or Stock Appreciation Rights granted under
    the Plan or under Prior Plans that are forfeited, expire or
    otherwise terminate on or after April&#160;26, 2010.</I>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>3.2. </B><I>Character of Shares.</I>&#160;Any Shares issued
    hereunder may consist, in whole or in part, of authorized and
    unissued shares, treasury shares or shares purchased in the open
    market or otherwise.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">4.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">ELIGIBILITY
    AND ADMINISTRATION</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>4.1.&#160;</B><I>Eligibility.</I>&#160;Any Employee or
    Director shall be eligible to be selected as a Participant.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>4.2.&#160;</B><I>Administration.</I>&#160;(a)&#160;The Plan
    shall be administered by the Committee. The Committee shall have
    full power and authority, subject to the provisions of the Plan
    and subject to such orders or resolutions not inconsistent with
    the provisions of the Plan as may from time to time be adopted
    by the Board, to: (i)&#160;select the Employees and Directors to
    whom Awards may from time to time be granted hereunder;
    (ii)&#160;determine the type or types of Awards, not
    inconsistent with the provisions of the Plan, to be granted to
    each Participant hereunder; (iii)&#160;determine the number of
    Shares to be covered by each Award granted hereunder;
    (iv)&#160;determine the terms and conditions, not inconsistent
    with the provisions of the Plan, of any Award granted hereunder;
    (v)&#160;determine whether, to what extent and under what
    circumstances Awards may be settled in cash, Shares or other
    property, subject to Section&#160;8.1;
</DIV>
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (vi)&#160;determine whether, to what extent, and under what
    circumstances cash, Shares, other property and other amounts
    payable with respect to an Award made under the Plan shall be
    deferred either automatically or at the election of the
    Participant; (vii)&#160;determine whether, to what extent and
    under what circumstances any Award shall be canceled or
    suspended; (viii)&#160;interpret and administer the Plan and any
    instrument or agreement entered into under or in connection with
    the Plan, including any Award Agreement; (ix)&#160;correct any
    defect, supply any omission or reconcile any inconsistency in
    the Plan or any Award in the manner and to the extent that the
    Committee shall deem desirable to carry it into effect;
    (x)&#160;establish such rules and regulations and appoint such
    agents as it shall deem appropriate for the proper
    administration of the Plan; (xi)&#160;determine whether any
    Award will have Dividend Equivalents; and (xii)&#160;make any
    other determination and take any other action that the Committee
    deems necessary or desirable for administration of the Plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (b)&#160;Decisions of the Committee shall be final, conclusive
    and binding on all persons or entities, including the Company,
    any Participant, and any Subsidiary. A majority of the members
    of the Committee may determine its actions and fix the time and
    place of its meetings.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (c)&#160;To the extent not inconsistent with applicable law,
    including Section&#160;162(m) of the Code, or the rules and
    regulations of the NASDAQ Stock Market (or any other principal
    national securities exchange on which the Company is then
    listed), the Committee may delegate to a committee of one or
    more directors of the Company or, to the extent permitted by
    law, to one or more executive officers or a committee of
    executive officers the right to grant Awards to Employees who
    are not Directors or executive officers of the Company and the
    authority to take action on behalf of the Committee pursuant to
    the Plan to cancel or suspend Awards to Employees who are not
    Directors or executive officers of the Company; provided,
    however, (i)&#160;the resolution providing such authorization
    sets forth the total number of Awards such officer(s) may grant;
    and (ii)&#160;the officer(s) shall report periodically to the
    Committee regarding the nature and scope of the Awards granted
    pursuant to the authority delegated.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

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    <TD width="97%"></TD>
</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">5.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">OPTIONS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.1.&#160;</B><I>Grant of Options.</I>&#160;Options may be
    granted hereunder to Participants either alone or in addition to
    other Awards granted under the Plan<B>; </B>provided that
    incentive stock options may be granted only to eligible
    Employees of the Company or of any parent or subsidiary
    corporation (as permitted by Section&#160;422 of the Code and
    the regulations thereunder). Any Option shall be subject to the
    terms and conditions of this Article and to such additional
    terms and conditions, not inconsistent with the provisions of
    the Plan, as the Committee shall deem desirable.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.2.&#160;</B><I>Award Agreements.</I>&#160;All Options
    granted pursuant to this Article shall be evidenced by a written
    Award Agreement in such form and containing such terms and
    conditions as the Committee shall determine which are not
    inconsistent with the provisions of the Plan. The terms of
    Options need not be the same with respect to each Participant.
    Granting of an Option pursuant to the Plan shall impose no
    obligation on the recipient to exercise such Option. Any
    individual who is granted an Option pursuant to this Article may
    hold more than one Option granted pursuant to the Plan at the
    same time. The Award Agreement also shall specify whether the
    Option is intended to qualify as an &#147;incentive stock
    option&#148; as defined in Section&#160;422 of the Code.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.3.&#160;</B><I>Option Price.</I>&#160;Other than in
    connection with Substitute Awards, the option price per each
    Share purchasable under any Option granted pursuant to this
    Article shall not be less than 100% of the Fair Market Value of
    such Share on the date of grant of such Option. Other than
    pursuant to Section&#160;12.2, the Committee shall not without
    the approval of the Company&#146;s stockholders (a)&#160;lower
    the option price per Share of an Option after it is granted,
    (b)&#160;cancel an Option when the option price per Share
    exceeds the Fair Market Value of the underlying Shares in
    exchange for another Award (other than in connection with
    Substitute Awards), and (c)&#160;take any other action with
    respect to an Option that may be treated as a repricing under
    the rules and regulations of the NASDAQ Stock Market (or any
    other principal national securities exchange on which the
    Company is then listed).
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.4.&#160;</B><I>Option Term.</I>&#160;The term of each
    Option shall be fixed by the Committee in its sole discretion;
    provided that no Option shall be exercisable after the
    expiration of ten years from the date the Option is granted.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.5.&#160;</B><I>Exercise of Options.</I>&#160;Vested Options
    granted under the Plan shall be exercised by the Participant or
    by a Permitted Assignee thereof (or by the Participant&#146;s
    executors, administrators, guardian or legal representative, as
</DIV>
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    may be provided in an Award Agreement) as to all or part of the
    Shares covered thereby, by the giving of written notice of
    exercise to the Company or its designated agent, specifying the
    number of Shares to be purchased, accompanied by payment of the
    full purchase price for the Shares being purchased. Unless
    otherwise provided in an Award Agreement, full payment of such
    purchase price shall be made at the time of exercise and shall
    be made (a)&#160;in cash or cash equivalents (including
    certified check or bank check or wire transfer of immediately
    available funds), (b)&#160;by tendering previously acquired
    Shares (either actually or by attestation, valued at their then
    Fair Market Value) that have been owned for a period of at least
    six months (or such other period to avoid accounting charges
    against the Company&#146;s earnings), (c)&#160;with the consent
    of the Committee, by delivery of other consideration (including,
    where permitted by law and the Committee, other Awards) having a
    Fair Market Value on the exercise date equal to the total
    purchase price, (d)&#160;with the consent of the Committee, by
    withholding Shares otherwise issuable in connection with the
    exercise of the Option, (e)&#160;through any other method
    specified in an Award Agreement, or (f)&#160;any combination of
    any of the foregoing. The notice of exercise, accompanied by
    such payment, shall be delivered to the Company at its principal
    business office or such other office as the Committee may from
    time to time direct, and shall be in such form, containing such
    further provisions consistent with the provisions of the Plan,
    as the Committee may from time to time prescribe. In no event
    may any Option granted hereunder be exercised for a fraction of
    a Share. No adjustment shall be made for cash dividends or other
    rights for which the record date is prior to the date of such
    issuance.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.6.&#160;</B><I>Form of Settlement.</I>&#160;In its sole
    discretion, the Committee may provide, at the time of grant,
    that the Shares to be issued upon an Option&#146;s exercise
    shall be in the form of Restricted Stock or other similar
    securities, or may reserve the right so to provide after the
    time of grant.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.7.&#160;</B><I>Vesting.</I>&#160;Except for certain limited
    situations (including the death, disability or retirement of the
    Participant or a Change of Control referred to in
    Article&#160;11), Options shall vest over a period of not less
    than one year from date of grant (but permitting pro rata
    vesting over such time); provided, that such vesting shall not
    be required with respect to any Substitute Awards. The vesting
    schedule shall be set forth in the Award Agreement.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.8.&#160;</B><I>Incentive Stock Options.</I>&#160;The
    Committee may grant Options intended to qualify as
    &#147;incentive stock options&#148; as defined in
    Section&#160;422 of the Code, to any employee of the Company or
    any Subsidiary, subject to the requirements of Section&#160;422
    of the Code. Not-withstanding anything in Section&#160;3.1 to
    the contrary and solely for the purposes of determining whether
    Shares are available for the grant of &#147;incentive stock
    options&#148; under the Plan, the maximum aggregate number of
    Shares with respect to which &#147;incentive stock options&#148;
    may be granted under the Plan shall be the number of Shares
    authorized for grant under Section&#160;3.1.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>5.9.&#160;</B><I>No Repricing. Notwithstanding anything in
    the Plan to the contrary, except in connection with a corporate
    transaction involving the Company (including, without
    limitation, any stock dividend, stock split, extraordinary cash
    dividend, recapitalization, reorganization, merger,
    consolidation,
    <FONT style="white-space: nowrap">split-up,</FONT>
    spin-off, combination, or exchange of shares), the terms of
    outstanding Awards may not be amended to reduce the option price
    of outstanding Options or cancel outstanding Options in exchange
    for cash, other awards or Options with an option price that is
    less than the option price of the original Options without
    stockholder approval.</I>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">6.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">STOCK
    APPRECIATION RIGHTS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>6.1.&#160;</B><I>Grant and Exercise.</I>&#160;The Committee
    may provide Stock Appreciation Rights (a)&#160;in conjunction
    with all or part of any Option granted under the Plan or at any
    subsequent time during the term of such Option (&#147;Tandem
    Stock Appreciation Right&#148;), (b)&#160;in conjunction with
    all or part of any Award (other than an Option) granted under
    the Plan or at any subsequent time during the term of such
    Award, or (c)&#160;without regard to any Option or other Award
    (a &#147;Freestanding Stock Appreciation Right&#148;), in each
    case upon such terms and conditions as the Committee may
    establish in its sole discretion.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>6.2.&#160;</B><I>Terms and Conditions.</I>&#160;Stock
    Appreciation Rights shall be subject to such terms and
    conditions, not inconsistent with the provisions of the Plan, as
    shall be determined from time to time by the Committee,
    including the following:
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (a)&#160;Upon the exercise of a Stock Appreciation Right, the
    holder shall have the right to receive the excess of
    (i)&#160;the Fair Market Value of one Share on the date of
    exercise or such other amount as the Committee shall so
</DIV>
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<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    determine at any time during a specified period before the date
    of exercise over (ii)&#160;the grant price of the right on the
    date of grant, or in the case of a Tandem Stock Appreciation
    Right granted on the date of grant of the related Option, as
    specified by the Committee in its sole discretion, which, except
    in the case of Substitute Awards or in connection with an
    adjustment provided in Section&#160;12.2, shall not be less than
    the Fair Market Value of one Share on such date of grant of the
    right or the related Option, as the case may be.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (b)&#160;Upon the exercise of a Stock Appreciation Right,
    payment shall be made in whole Shares.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (c)&#160;Any Tandem Stock Appreciation Right may be granted at
    the same time as the related Option is granted or at any time
    thereafter before exercise or expiration of such Option.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (d)&#160;Any Tandem Stock Appreciation Right related to an
    Option may be exercised only when the related Option would be
    exercisable and the Fair Market Value of the Shares subject to
    the related Option exceeds the option price at which Shares can
    be acquired pursuant to the Option. In addition, (i)&#160;if a
    Tandem Stock Appreciation Right exists with respect to less than
    the full number of Shares covered by a related Option, then an
    exercise or termination of such Option shall not reduce the
    number of Shares to which the Tandem Stock Appreciation Right
    applies until the number of Shares then exercisable under such
    Option equals the number of Shares to which the Tandem Stock
    Appreciation Right applies, and (ii)&#160;no Tandem Stock
    Appreciation Right granted under the Plan to a person then
    subject to Section&#160;16 of the Exchange Act shall be
    exercised during the first six months of its term for cash,
    except as provided in Article&#160;11.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (e)&#160;Any Option related to a Tandem Stock Appreciation Right
    shall no longer be exercisable to the extent the Tandem Stock
    Appreciation Right has been exercised.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (f)&#160;The provisions of Stock Appreciation Rights need not be
    the same with respect to each recipient.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (g)&#160;The Committee may impose such other conditions or
    restrictions on the terms of exercise and the exercise price of
    any Stock Appreciation Right, as it shall deem appropriate,
    including providing that the exercise price of a Tandem Stock
    Appreciation Right may be less than the Fair Market Value on the
    date of grant if the Tandem Stock Appreciation Right is added to
    an Option following the date of the grant of the Option.
    Notwithstanding the foregoing provisions of this
    Section&#160;6.2(g), but subject to Section&#160;12.2, a
    Freestanding Stock Appreciation Right shall generally have the
    same terms and conditions as Options, including (i)&#160;an
    exercise price not less than Fair Market Value on the date of
    grant, (ii)&#160;a term not greater than ten years, and
    (iii)&#160;not being exercisable before the expiration of one
    year from the date of grant to an employee of the Company or any
    Subsidiary (but may become exercisable pro rata over such time),
    except for Substitute Awards, under circumstances contemplated
    by Article&#160;11 or as may be set forth in an Award Agreement
    with respect to (x)&#160;retirement, death or disability of a
    Participant or (y)&#160;special circumstances determined by the
    Committee, such as the achievement of performance objectives. In
    addition to the foregoing, but subject to Section&#160;12.2, the
    base amount of any Stock Appreciation Right shall not be reduced
    after the date of grant.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 4%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    (h)&#160;The Committee may impose such terms and conditions on
    Stock Appreciation Rights granted in conjunction with any Award
    (other than an Option) as the Committee shall determine in its
    sole discretion.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>6.3.&#160;</B><I>No Repricing. Notwithstanding anything in
    the Plan to the contrary, except in connection with a corporate
    transaction involving the Company (including, without
    limitation, any stock dividend, stock split, extraordinary cash
    dividend, recapitalization, reorganization, merger,
    consolidation,
    <FONT style="white-space: nowrap">split-up,</FONT>
    spin-off, combination, or exchange of shares), the terms of
    outstanding awards may not be amended to reduce the exercise
    price of outstanding Stock Appreciation Rights or cancel
    outstanding Stock Appreciation Rights in exchange for cash,
    other awards or Stock Appreciation Rights with an exercise price
    that is less than the exercise price of the original Stock
    Appreciation Rights without stockholder approval.</I>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

<TR>
    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">7.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">RESTRICTED
    STOCK AWARDS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>7.1.&#160;</B><I>Grants.</I> Awards of Restricted Stock may
    be issued hereunder to Participants either alone or in addition
    to other Awards granted under the Plan (a &#147;Restricted Stock
    Award&#148;), and such Restricted Stock Awards shall also be
    available as a form of payment of Performance Awards and other
    earned cash-based incentive compensation. A Restricted Stock
    Award shall be subject to restrictions imposed by the Committee
    covering a period of time
</DIV>
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    specified by the Committee (the &#147;Restriction Period&#148;).
    The Committee has absolute discretion to determine whether any
    consideration (other than services) is to be received by the
    Company or any Subsidiary as a condition precedent to the
    issuance of Restricted Stock.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>7.2.&#160;</B><I>Award Agreements.</I>&#160;The terms of any
    Restricted Stock Award granted under the Plan shall be set forth
    in a written Award Agreement which shall contain provisions
    determined by the Committee and not inconsistent with the Plan.
    The terms of Restricted Stock Awards need not be the same with
    respect to each Participant.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>7.3.&#160;</B><I>Rights of Holders of Restricted
    Stock.</I>&#160;Beginning on the date of grant of the Restricted
    Stock Award and subject to execution of the Award Agreement, the
    Participant shall become a shareholder of the Company with
    respect to all Shares subject to the Award Agreement and shall
    have all of the rights of a shareholder, including the right to
    vote such Shares and the right to receive distributions made
    with respect to such Shares unless otherwise provided in such
    Award Agreement; provided, however<I>, </I>that any Shares or
    any other property (other than cash) distributed as a dividend
    or otherwise with respect to any Restricted Stock as to which
    the restrictions have not yet lapsed shall be subject to the
    same restrictions as such Restricted Stock.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>7.4.&#160;</B><I>Minimum Vesting Period.</I>&#160;Except for
    certain limited situations (including the death, disability or
    retirement of the Participant, or a Change of Control referred
    to in Article&#160;11), or special circumstances determined by
    the Committee (such as the achievement of performance
    objectives) Restricted Stock Awards subject solely to continued
    employment restrictions of employees of the Company or any
    Subsidiary shall have a Restriction Period of not less than
    three years from date of grant (but permitting pro rata vesting
    over such time); provided, that the provisions of this Section
    shall not be applicable to any grants to new hires to replace
    forfeited awards from a prior employer, Substitute Awards or
    grants of Restricted Stock in payment of Performance Awards and
    other earned cash-based incentive compensation or grants to
    non-employee Directors. Subject to the foregoing three-year
    minimum vesting requirement, the Committee may, in its sole
    discretion and subject to the limitations imposed under
    Section&#160;162(m) of the Code and the regulations thereunder
    in the case of a Restricted Stock Award intended to comply with
    the performance-based exception under Section&#160;162(m) of the
    Code, waive the forfeiture period and any other conditions set
    forth in any Award Agreement subject to such terms and
    conditions as the Committee shall deem appropriate.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>7.5.&#160;</B><I>Section&#160;83(b) Election.</I>&#160;The
    Committee may provide in an Award Agreement that the Award of
    Restricted Stock is conditioned upon the Participant making or
    refraining from making an election with respect to the Award
    under Section&#160;83(b) of the Code. If a Participant makes an
    election pursuant to Section&#160;83(b) of the Code concerning a
    Restricted Stock Award, the Participant shall be required to
    file promptly a copy of such election with the Company.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

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    <TD width="3%"></TD>
    <TD width="97%"></TD>
</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">8.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">OTHER
    STOCK UNIT AWARDS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>8.1.&#160;</B><I>Grants.</I>&#160;Other Awards of units
    having a value equal to an identical number of Shares
    (&#147;Other Stock Unit Awards&#148;) may be granted hereunder
    to Participants, in addition to other Awards granted under the
    Plan. Other Stock Unit Awards shall also be available as a form
    of payment of other Awards granted under the Plan and other
    earned cash-based incentive compensation.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>8.2.&#160;</B><I>Award Agreements.</I>&#160;The terms of
    Other Stock Unit Award granted under the Plan shall be set forth
    in a written Award Agreement which shall contain provisions
    determined by the Committee and not inconsistent with the Plan.
    The terms of such Awards need not be the same with respect to
    each Participant.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>8.3.&#160;</B><I>Vesting.</I>&#160;Except for certain limited
    situations (including the death, disability or retirement of the
    Participant or a Change of Control referred to in
    Article&#160;11), Other Stock Unit Awards subject solely to
    continued employment restrictions of employees of the Company or
    any Subsidiary shall be subject to restrictions imposed by the
    Committee for a period of not less than three years from date of
    grant (but permitting pro rata vesting over such time);
    provided, that such restrictions shall not be applicable to any
    Substitute Awards, grants of Other Stock Unit Awards in payment
    of Performance Awards pursuant to Article&#160;9 and other
    earned cash-based incentive compensation, or grants of Other
    Stock Unit Awards on a deferred basis.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>8.4.&#160;</B><I>Payment.</I>&#160;Except as provided in
    Article&#160;10 or as maybe provided in an Award Agreement,
    Other Stock Unit Awards may be paid in cash, Shares, other
    property, or any combination thereof, in the sole discretion of
    the
</DIV>
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    <BR>
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<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
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    Committee at the time of payment. Other Stock Unit Awards may be
    paid in a lump sum or in installments following the lapse of the
    restrictions applicable to such Awards, but, unless expressly
    provided in an Award Agreement, no later than
    2<FONT style="vertical-align: text-top; font-size: 70%;">1</FONT>/<FONT style="font-size: 70%;">2</FONT>
    months following the end of the calendar year in which such
    restrictions lapse, or in accordance with procedures established
    by the Committee, on a deferred basis subject to the
    requirements of Section&#160;409A of the Code.
</DIV>

<DIV style="margin-top: 9pt; font-size: 1pt">&nbsp;</DIV>

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<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">9.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">PERFORMANCE
    AWARDS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>9.1.&#160;</B><I>Grants.</I>&#160;Performance Awards in the
    form of Performance Shares or Performance Units, as determined
    by the Committee in its sole discretion, may be granted
    hereunder to Participants, for no consideration or for such
    minimum consideration as may be required by applicable law,
    either alone or in addition to other Awards granted under the
    Plan. The performance goals to be achieved for each Performance
    Period shall be conclusively determined by the Committee and may
    be based upon the criteria set forth in Section&#160;10.2.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>9.2.&#160;</B><I>Award Agreements.</I>&#160;The terms of any
    Performance Award granted under the Plan shall be set forth in a
    written Award Agreement which shall contain provisions
    determined by the Committee and not inconsistent with the Plan,
    including whether such Awards shall have Dividend Equivalents.
    The terms of Performance Awards need not be the same with
    respect to each Participant.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>9.3.&#160;</B><I>Terms and Conditions.</I>&#160;The
    performance criteria to be achieved during any Performance
    Period and the length of the Performance Period shall be
    determined by the Committee upon the grant of each Performance
    Award; provided, however, that a Performance Period shall not be
    shorter than 12&#160;months nor longer than five years. The
    amount of the Award to be distributed shall be conclusively
    determined by the Committee.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>9.4.&#160;</B><I>Payment.</I>&#160;Except as provided in
    Article&#160;11 or as may be provided in an Award Agreement,
    Performance Awards will be distributed only after the end of the
    relevant Performance Period. Performance Awards may be paid in
    cash, Shares, other property, or any combination thereof, in the
    sole discretion of the Committee at the time of payment.
    Performance Awards may be paid in a lump sum or in installments,
    but, unless expressly provided in an Award Agreement, no later
    than
    2<FONT style="vertical-align: text-top; font-size: 70%;">1</FONT>/<FONT style="font-size: 70%;">2</FONT>
    months following the close of the calendar year that contains
    the end of the Performance Period or, in accordance with
    procedures established by the Committee, on a deferred basis
    subject to the requirements of Section&#160;409A of the Code.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>9.5.&#160;</B><I>Performance Award Dividend Equivalents.
    Subject to the provisions of the Plan and any Award Agreement,
    the Committee in its sole discretion may award currently or on a
    deferred basis, Dividend Equivalents with respect to the number
    of Shares covered by a Performance Unit or Performance Share
    Award, provided, that such Dividend Equivalents (if any) shall
    be deemed to have been reinvested in additional Shares or Units
    and shall provide that such Dividend Equivalents are subject to
    the same performance conditions as the underlying Award.</I>
</DIV>

<DIV style="margin-top: 9pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: #FFFFFF">

    <B><FONT style="font-family: 'Times New Roman', Times">10.&#160;&#160;CODE
    SECTION&#160;162(m) PROVISIONS</FONT></B>
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>10.1.</B><I>&#160;Covered Employees.</I>&#160;Notwithstanding
    any other provision of the Plan, if the Committee determines at
    the time a Restricted Stock Award, a Performance Award or an
    Other Stock Unit Award is granted to a Participant who is, or is
    likely to be, as of the end of the tax year in which the Company
    would claim a tax deduction in connection with such Award, a
    Covered Employee, then the Committee may provide that this
    Article&#160;10 is applicable to such Award.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>10.2.&#160;</B><I>Performance Criteria.</I>&#160;If the
    Committee determines that a Restricted Stock Award, a
    Performance Award or an Other Stock Unit Award is subject to
    this Article&#160;10, the lapsing of restrictions thereon and
    the distribution of cash, Shares or other property pursuant
    thereto, as applicable, shall be subject to the achievement of
    one or more objective performance goals established by the
    Committee, which shall be based on the attainment of specified
    levels of one or any combination of the following: net sales;
    revenue growth; pre-tax income before allocation of corporate
    overhead and bonus; earnings per share; operating income, net
    income; division, group or corporate financial goals; return on
    stockholders&#146; equity; total stockholder return; return on
    assets; attainment of strategic and operational initiatives;
    appreciation in
    <FONT style="white-space: nowrap">and/or</FONT>
    maintenance of the price of the Shares or any other
    publicly-traded securities of the Company; market share; gross
    profits; earnings before taxes; earnings before interest and
    taxes; earnings before interest, taxes, depreciation, depletion
    and amortization; economic value-added models; comparisons with
    various stock market indices; reductions in costs; cash flow,
    cash flow per share; return
</DIV>
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    <BR>
    A-9
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<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    on invested capital, cash flow return on investment; improvement
    in or attainment of expense levels or working capital levels;
    cash margins; safety records; and rig utilization and rig count
    growth. Such performance goals also may be based solely by
    reference to the Company&#146;s performance or the performance
    of a Subsidiary, division, business segment or business unit of
    the Company, or based upon the relative performance of other
    companies or upon comparisons of any of the indicators of
    performance relative to other companies. The Committee may also
    exclude the impact of an event or occurrence which the Committee
    determines should appropriately be excluded, including
    (a)&#160;restructurings, discontinued operations, extraordinary
    items, and other unusual or non-recurring charges, (b)&#160;an
    event either not directly related to the operations of the
    Company or not within the reasonable control of the
    Company&#146;s management, or (c)&#160;the cumulative effects of
    tax or accounting changes in accordance with generally accepted
    accounting principles. Such performance goals shall be set by
    the Committee within the time period prescribed by, and shall
    otherwise comply with the requirements of, Section&#160;162(m)
    of the Code, and the regulations thereunder.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>10.3.&#160;</B><I>Adjustments.</I>&#160;Notwithstanding any
    provision of the Plan (other than Article&#160;11), with respect
    to any Restricted Stock, Performance Award or Other Stock Unit
    Award that is subject to this Section&#160;10, the Committee may
    adjust downwards, but not upwards, the amount payable pursuant
    to such Award, and the Committee may not waive the achievement
    of the applicable performance goals, except in the case of the
    death or disability of the Participant or as otherwise
    determined by the Committee in special circumstances.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>10.4.&#160;</B><I>Restrictions.</I>&#160;The Committee shall
    have the power to impose such other restrictions on Awards
    subject to this Article as it may deem necessary or appropriate
    to ensure that such Awards satisfy all requirements for
    &#147;performance-based compensation&#148; within the meaning of
    Section&#160;162(m) of the Code.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>10.5.&#160;</B><I>Limitations on Grants to Individual
    Participant.</I>&#160;Subject to adjustment as provided in
    Section&#160;12.2, no Participant may be granted
    (i)&#160;Options or Stock Appreciation Rights during any
    <FONT style="white-space: nowrap">12-month</FONT>
    period with respect to more than 1,000,000&#160;Shares or
    (ii)&#160;Restricted Stock, Performance Awards
    <FONT style="white-space: nowrap">and/or</FONT> Other
    Stock Unit Awards that are denominated in Shares in any
    <FONT style="white-space: nowrap">12-month</FONT>
    period with respect to more than 500,000&#160;Shares (the
    &#147;Limitations&#148;). In addition to the foregoing, the
    maximum dollar value payable to any Participant in any
    <FONT style="white-space: nowrap">12-month</FONT>
    period with respect to Performance Awards is $5,000,000. If an
    Award is cancelled, the cancelled Award shall continue to be
    counted toward the applicable Limitations.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

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</TR>

<TR valign="top">
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">11.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">CHANGE OF
    CONTROL PROVISIONS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <I>Impact of Change of Control.</I>&#160;The terms of any Award
    may provide in the Award Agreement evidencing the Award that,
    upon a &#147;Change of Control&#148; of the Company,
    (a)&#160;Options and Stock Appreciation Rights outstanding as of
    the date of the Change of Control immediately vest and become
    fully exercisable, (b)&#160;that Options and Stock Appreciation
    Rights outstanding as of the date of the Change of Control may
    be cancelled and terminated without payment therefore if the
    Fair Market Value of one Share as of the date of the Change of
    Control is less than the per Share Option exercise price or
    Stock Appreciation Right grant price, (c)&#160;restrictions and
    deferral limitations on Restricted Stock lapse and the
    Restricted Stock become free of all restrictions and limitations
    and become fully vested, (d)&#160;all Performance Awards shall
    be considered to be earned and payable (either in full or pro
    rata based on the portion of Performance Period completed as of
    the date of the Change of Control), and any deferral or other
    restriction shall lapse and such Performance Awards shall be
    immediately settled or distributed to the extent permitted under
    Section&#160;409A of the Code, (e)&#160;the restrictions and
    deferral limitations and other conditions applicable to any
    Other Stock Unit Awards or any other Awards shall lapse, and
    such Other Stock Unit Awards or such other Awards shall become
    free of all restrictions, limitations or conditions and become
    fully vested and transferable to the full extent of the original
    grant to the extent permitted under Section&#160;409A of the
    Code, and (f)&#160;such other additional benefits as the
    Committee deems appropriate shall apply, subject in each case to
    any terms and conditions contained in the Award Agreement
    evidencing such Award. <I>Effective with respect to Awards
    granted prior to April&#160;26, 2010, for </I>purposes of the
    Plan, a &#147;Change of Control&#148; shall mean an event
    described in an Award Agreement evidencing the Award or such
    other event as determined in the sole discretion of the Board.
    Notwithstanding any other provision of the Plan, the Committee,
    in its discretion, may determine that, upon the occurrence of a
    Change of Control of the Company, each Option and Stock
    Appreciation Right outstanding shall terminate within a
    specified number of days after notice to the Participant,
    <FONT style="white-space: nowrap">and/or</FONT> that
    each Participant shall receive, with respect to each Share
    subject to such Option or Stock Appreciation Right, an amount
    equal to the excess of the
</DIV>
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    <BR>
    A-10
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    Fair Market Value of such Share immediately prior to the
    occurrence of such Change of Control over the exercise price per
    share of such Option
    <FONT style="white-space: nowrap">and/or</FONT> Stock
    Appreciation Right; such amount to be payable in cash, in one or
    more kinds of stock or property (including the stock or
    property, if any, payable in the transaction) or in a
    combination thereof, as the Committee, in its discretion, shall
    determine.
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

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    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">12.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">GENERALLY
    APPLICABLE PROVISIONS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>12.1.&#160;</B><I>Amendment and Termination of the
    Plan.</I>&#160;The Board may, from time to time, alter, amend,
    suspend or terminate the Plan as it shall deem advisable,
    subject to any requirement for stockholder approval imposed by
    applicable law, including the rules and regulations of the
    NASDAQ Stock Market (or any other principal national securities
    exchange on which the Company is listed) provided that the Board
    may not amend the Plan in any manner that would result in
    noncompliance with
    <FONT style="white-space: nowrap">Rule&#160;16b-3</FONT>
    of the Exchange Act; and further provided that the Board may
    not, without the approval of the Company&#146;s stockholders,
    amend the Plan to (a)&#160;increase the number of Shares that
    may be the subject of Awards under the Plan (except for
    adjustments pursuant to Section&#160;12.2), (b)&#160;expand the
    types of awards available under the Plan, (c)&#160;materially
    expand the class of persons eligible to participate in the Plan,
    (d)&#160;amend any provision of Section&#160;5.3,
    (e)&#160;increase the maximum permissible term of any Option
    specified by Section&#160;5.4, or (f)&#160;amend any provision
    of Section&#160;10.4. In addition, no amendments to, or
    termination of, the Plan shall in any way impair the rights of a
    Participant under any Award previously granted without such
    Participant&#146;s consent.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>12.2.&#160;</B><I>Adjustments.</I>&#160;In the event of any
    merger, reorganization, consolidation, recapitalization,
    dividend or distribution (whether in cash, shares or other
    property, other than a regular cash dividend), stock split,
    reverse stock split, spin-off or similar transaction or other
    change in corporate structure affecting the Shares or the value
    thereof, such adjustments and other substitutions shall be made
    to the Plan and to Awards as the Committee, in its sole
    discretion, deems equitable or appropriate, including such
    adjustments in the aggregate number, class and kind of
    securities that may be delivered under the Plan and, in the
    aggregate or to any one Participant, in the number, class, kind
    and option or exercise price of securities subject to
    outstanding Awards granted under the Plan (including, if the
    Committee deems appropriate, the substitution of similar options
    to purchase the shares of, or other awards denominated in the
    shares of, another company) as the Committee may determine to be
    appropriate in its sole discretion; provided, however, that the
    number of Shares subject to any Award shall always be a whole
    number.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>12.3.&#160;</B><I>Transferability of Awards.</I>&#160;Except
    as provided below, no Award and no Shares subject to Awards
    described in Article&#160;8 that have not been issued or as to
    which any applicable restriction, performance or deferral period
    has not lapsed, may be sold, assigned, transferred, pledged or
    otherwise encumbered, other than by will or the laws of descent
    and distribution, and such Award may be exercised during the
    life of the Participant only by the Participant or the
    Participant&#146;s guardian or legal representative.
    Notwithstanding the foregoing, a Participant may assign or
    transfer an Award with the consent of the Committee (i)&#160;for
    charitable donations; (ii)&#160;to the Participant&#146;s
    spouse, children or grandchildren (including any adopted and
    stepchildren and grandchildren), or (iii)&#160;a trust for the
    benefit of one or more of the Participants or the persons
    referred to in clause (ii) (each transferee thereof, a
    &#147;Permitted Assignee&#148;); provided that such Permitted
    Assignee shall be bound by and subject to all of the terms and
    conditions of the Plan and the Award Agreement relating to the
    transferred Award and shall execute an agreement satisfactory to
    the Company evidencing such obligations; and provided further
    that such Participant shall remain bound by the terms and
    conditions of the Plan. The Company shall cooperate with any
    Permitted Assignee and the Company&#146;s transfer agent in
    effectuating any transfer permitted under this Section.
    Notwithstanding the foregoing, no Incentive Stock Option granted
    under the Plan may be sold, transferred, pledged, assigned, or
    otherwise alienated or hypothecated, other than by will or by
    the laws of descent and distribution. Further, all Incentive
    Stock Options granted to a Participant under this Plan shall be
    exercisable during his or her lifetime only by such Participant.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>12.4.&#160;</B><I>Termination of Employment.</I>&#160;The
    Committee shall determine and set forth in each Award Agreement
    whether any Awards granted in such Award Agreement will continue
    to be exercisable, and the terms of such exercise, on and after
    the date that a Participant ceases to be employed by or to
    provide services to the Company or any Subsidiary (including as
    a Director), whether by reason of death, disability, voluntary
    or involuntary termination of employment or services, or
    otherwise. The date of termination of a Participant&#146;s
    employment or services will be determined by the Committee,
    which determination will be final.
</DIV>
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    <BR>
    A-11
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    <B>12.5.&#160;</B><I>Deferral.</I>&#160;The Committee shall be
    authorized to establish procedures pursuant to which the payment
    of any Award may be deferred. Such deferrals shall be
    administered in a manner that is intended to comply with
    Section&#160;409A of the Code and shall be construed and
    interpreted in accordance with such intent.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>12.6.&#160;</B><I>Dividend Equivalents. Subject to the
    provisions of the Plan and any Award Agreement, the recipient of
    an Award (including any deferred Award) may, if so determined by
    the Committee, be entitled to receive, currently or on a
    deferred basis, cash, stock or other property dividends, or cash
    payments in amounts equivalent to cash, stock or other property
    dividends on Shares (&#147;Dividend Equivalents&#148;) with
    respect to the number of Shares covered by the Award, as
    determined by the Committee, in its sole discretion. The
    Committee may provide that such amounts and Dividend Equivalents
    (if any) shall be deemed to have been reinvested in additional
    Shares or otherwise reinvested and may provide that such amounts
    and Dividend Equivalents are subject to the same vesting
    conditions as the underlying Award; provided, however, that with
    respect to Dividend Equivalents (if any) awarded in connection
    with a Performance Unit Award or Performance Share Award, such
    Dividend Equivalents (if any) shall be deemed to have been
    reinvested in additional Shares or Units and shall provide that
    such Dividend Equivalents are subject to the same performance
    conditions as the underlying Award.</I>
</DIV>

<DIV style="margin-top: 12pt; font-size: 1pt">&nbsp;</DIV>

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    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">13.&#160;&#160;</FONT></B>
</TD>
    <TD>
    <B><FONT style="font-family: 'Times New Roman', Times">MISCELLANEOUS</FONT></B>
</TD>
</TR>

</TABLE>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.1.&#160;</B><I>Tax Withholding.</I>&#160;The Company shall
    have the right to make all payments or distributions pursuant to
    the Plan to a Participant (or a Permitted Assignee thereof) (any
    such person, a &#147;Payee&#148;) net of any applicable federal,
    state and local taxes required to be paid or withheld as a
    result of (a)&#160;the grant of any Award, (b)&#160;the exercise
    of an Option or Stock Appreciation Right, (c)&#160;the delivery
    of Shares or cash, (d)&#160;the lapse of any restrictions in
    connection with any Award or (e)&#160;any other event occurring
    pursuant to the Plan. The Company or any Subsidiary shall have
    the right to withhold from wages or other amounts otherwise
    payable to such Payee such minimum statutory withholding taxes
    as may be required by law, or to otherwise require the Payee to
    pay such withholding taxes. If the Payee shall fail to make such
    tax payments as are required, the Company or its Subsidiaries
    shall, to the extent permitted by law, have the right to deduct
    any such taxes from any payment of any kind otherwise due to
    such Payee or to take such other action as may be necessary to
    satisfy such withholding obligations. The Committee shall be
    authorized to establish procedures for election by Participants
    to satisfy such obligation for the payment of such taxes by
    tendering previously acquired Shares (either actually or by
    attestation, valued at their then Fair Market Value) that have
    been owned for a period of at least six months (or such other
    period to avoid accounting charges against the Company&#146;s
    earnings), or by directing the Company to retain Shares (up to
    the Participant&#146;s minimum required tax withholding rate or
    such other rate that will not trigger a negative accounting
    impact) otherwise deliverable in connection with the Award.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.2.&#160;</B><I>Right of Discharge Reserved; Claims to
    Awards.</I>&#160;Nothing in the Plan nor the grant of an Award
    hereunder shall confer upon any Employee or Director the right
    to continue in the employment or service of the Company or any
    Subsidiary or affect any right that the Company or any
    Subsidiary may have to terminate the employment or service of
    (or to demote or to exclude from future Awards under the Plan)
    any such Employee or Director at any time for any reason. Except
    as specifically provided by the Committee, the Company shall not
    be liable for the loss of existing or potential profit from an
    Award granted in the event of termination of an employment or
    other relationship. No Employee or Participant shall have any
    claim to be granted any Award under the Plan, and there is no
    obligation for uniformity of treatment of Employees or
    Participants under the Plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.3.&#160;</B><I>Prospective Recipient.</I>&#160;The
    prospective recipient of any Award under the Plan shall not,
    with respect to such Award, be deemed to have become a
    Participant, or to have any rights with respect to such Award,
    until and unless such recipient shall have executed an agreement
    or other instrument evidencing the Award and delivered a copy
    thereof to the Company, and otherwise complied with the then
    applicable terms and conditions.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.4.&#160;</B><I>Cancellation of
    Award.</I>&#160;Notwithstanding anything to the contrary
    contained herein, all outstanding Awards granted to any
    Participant shall be canceled if the Participant, without the
    consent of the Company, while employed by the Company or any
    Subsidiary or after termination of such employment or service,
    establishes a relationship with a competitor of the Company or
    any Subsidiary or engages in activity that is in conflict with
    or adverse to the interest of the Company or any Subsidiary, as
    determined by the Committee in its sole discretion.
</DIV>
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    <BR>
    A-12
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    <B>13.5.&#160;</B><I>Stop Transfer Orders.</I>&#160;All
    certificates for Shares delivered under the Plan pursuant to any
    Award shall be subject to such stop-transfer orders and other
    restrictions as the Committee may deem advisable under the
    rules, regulations and other requirements of the Securities and
    Exchange Commission, any stock exchange upon which the Shares
    are then listed, and any applicable federal or state securities
    law, and the Committee may cause a legend or legends to be put
    on any such certificates to make appropriate reference to such
    restrictions.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.6.&#160;</B><I>Nature of Payments.</I>&#160;All Awards
    made pursuant to the Plan are in consideration of services
    performed or to be performed for the Company or any Subsidiary,
    division or business unit of the Company. Any income or gain
    realized pursuant to Awards under the Plan and any Stock
    Appreciation Rights constitute a special incentive payment to
    the Participant and shall not be taken into account, to the
    extent permissible under applicable law, as compensation for
    purposes of any of the employee benefit plans of the Company or
    any Subsidiary except as may be determined by the Committee or
    by the Board or board of directors of the applicable Subsidiary.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.7.&#160;</B><I>Other Plans.</I>&#160;Nothing contained in
    the Plan shall prevent the Board from adopting other or
    additional compensation arrangements, subject to stockholder
    approval if such approval is required; and such arrangements may
    be either generally applicable or applicable only in specific
    cases.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.8.&#160;</B><I>Severability.</I>&#160;If any provision of
    the Plan shall be held unlawful or otherwise invalid or
    unenforceable in whole or in part by a court of competent
    jurisdiction, such provision shall (a)&#160;be deemed limited to
    the extent that such court of competent jurisdiction deems it
    lawful, valid
    <FONT style="white-space: nowrap">and/or</FONT>
    enforceable and as so limited shall remain in full force and
    effect, and (b)&#160;not affect any other provision of the Plan
    or part thereof, each of which shall remain in full force and
    effect. If the making of any payment or the provision of any
    other benefit required under the Plan shall be held unlawful or
    otherwise invalid or unenforceable by a court of competent
    jurisdiction, such unlawfulness, invalidity or unenforceability
    shall not prevent any other payment or benefit from being made
    or provided under the Plan, and if the making of any payment in
    full or the provision of any other benefit required under the
    Plan in full would be unlawful or otherwise invalid or
    unenforceable, then such unlawfulness, invalidity or
    unenforceability shall not prevent such payment or benefit from
    being made or provided in part, to the extent that it would not
    be unlawful, invalid or unenforceable, and the maximum payment
    or benefit that would not be unlawful, invalid or unenforceable
    shall be made or provided under the Plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.9.&#160;</B><I>Construction.</I>&#160;As used in the Plan,
    the words &#147;<I>include</I>&#148; and
    &#147;<I>including</I>,&#148; and variations thereof, shall not
    be deemed to be terms of limitation, but rather shall be deemed
    to be followed by the words &#147;<I>without
    limitation</I>.&#148;
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.10.&#160;</B><I>Unfunded Status of the Plan.</I>&#160;The
    Plan is intended to constitute an &#147;unfunded&#148; plan for
    incentive and deferred compensation. With respect to any
    payments not yet made to a Participant by the Company, nothing
    contained herein shall give any such Participant any rights that
    are greater than those of a general creditor of the Company. In
    its sole discretion, the Committee may authorize the creation of
    trusts or other arrangements to meet the obligations created
    under the Plan to deliver the Shares or payments in lieu of or
    with respect to Awards hereunder; provided, however, that the
    existence of such trusts or other arrangements is consistent
    with the unfunded status of the Plan.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.11.&#160;</B><I>Governing Law.</I>&#160;The Plan and all
    determinations made and actions taken thereunder, to the extent
    not otherwise governed by the Code or the laws of the United
    States, shall be governed by the laws of the State of Delaware,
    without reference to principles of conflict of laws, and
    construed accordingly.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.12.&#160;</B><I>Effective Date of Plan; Termination of
    Plan.</I>&#160;The Plan shall be effective on the date of the
    approval of the Plan by the holders of the shares entitled to
    vote at a duly constituted meeting of the stockholders of the
    Company. The Plan shall be null and void and of no effect if the
    foregoing condition is not fulfilled and in such event each
    Award shall, notwithstanding any of the preceding provisions of
    the Plan, be null and void and of no effect. Awards may be
    granted under the Plan at any time and from time to time on or
    prior to the tenth anniversary of the effective date of the
    Plan, on which date the Plan will expire except as to Awards
    then outstanding under the Plan. Such outstanding Awards shall
    remain in effect until they have been exercised or terminated,
    or have expired.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.13.&#160;</B><I>Foreign Employees.</I>&#160;Awards may be
    granted to Participants who are foreign nationals or employed
    outside the United States, or both, on such terms and conditions
    different from those applicable to Awards to Employees employed
    in the United States as may, in the judgment of the Committee,
    be necessary or desirable in order to recognize differences in
    local law or tax policy. The Committee also may impose
    conditions on the exercise
</DIV>
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<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    A-13
</DIV><!-- END PAGE WIDTH -->
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="width: 87%; margin-left: 6%"><!-- BEGIN PAGE WIDTH -->
<!-- XBRL Pagebreak End -->

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    or vesting of Awards in order to minimize the Company&#146;s
    obligation with respect to tax equalization for Employees on
    assignments outside their home country.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.14.&#160;</B><I>Compliance with Section&#160;409A of the
    Code.</I>&#160;This Plan is intended to comply and shall be
    administered in a manner that is intended to comply with
    Section&#160;409A of the Code and shall be construed and
    interpreted in accordance with such intent. To the extent that
    an Award or the payment, settlement or deferral thereof is
    subject to Section&#160;409A of the Code, the Award shall be
    granted, paid, settled or deferred in a manner that will comply
    with Section&#160;409A of the Code, including regulations or
    other guidance issued with respect thereto, except as otherwise
    determined by the Committee. Any provision of this Plan that
    would cause the grant of an Award or the payment, settlement or
    deferral thereof to fail to satisfy Section&#160;409A of the
    Code shall be amended to comply with Section&#160;409A of the
    Code on a timely basis, which may be made on a retroactive
    basis, in accordance with regulations and other guidance issued
    under Section&#160;409A of the Code.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.15.&#160;</B><I>Captions.</I>&#160;The captions in the
    Plan are for convenience of reference only, and are not intended
    to narrow, limit or affect the substance or interpretation of
    the provisions contained herein.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.16.&#160;</B><I>Notification of Disqualifying
    Disposition.</I>&#160;If any Participant shall make any
    disposition of Shares issued pursuant to the exercise of an
    incentive stock option under the circumstances described in
    Section&#160;421(b) of the Code (relating to certain
    disqualifying dispositions), such Participant shall notify the
    Company of such disposition within ten (10)&#160;days thereof.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.17.&#160;</B><I>Sarbanes Oxley Act.</I>&#160;If the
    Company is required to prepare an accounting restatement due to
    the material noncompliance of the Company, as a result of
    misconduct, with any financial reporting requirement under the
    securities laws, or if the Participant is one of the persons
    subject to automatic forfeiture under Section&#160;304 of the
    Sarbanes-Oxley Act of 2002, the Participant shall reimburse the
    Company the amount of any payment in settlement of an Award
    earned or accrued during the twelve-month period following the
    first public issuance or filing with the United States
    Securities and Exchange Commission (whichever just occurred) of
    the financial document embodying such financial reporting
    requirement.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.18.&#160;</B><I>Retirement and Welfare
    Plans.</I>&#160;Neither Awards made under the Plan nor Shares or
    cash paid pursuant to such Awards, may be included as
    &#147;compensation&#148; for purposes of computing the benefits
    payable to any Participant under the Company&#146;s or any
    Subsidiary&#146;s retirement plans (both qualified and
    non-qualified) or welfare benefit plans unless such other plan
    expressly provides that such compensation shall be taken into
    account in computing a participant&#146;s benefit.
</DIV>

<DIV style="margin-top: 6pt; font-size: 1pt">&nbsp;</DIV>

<DIV align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 4%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <B>13.19.&#160;</B><I>Indemnification.</I>&#160;Each person who
    is or shall have been a member of the Board, or a Committee
    appointed by the Board, or an officer of the Company to whom
    authority was delegated in accordance with Section&#160;4.2
    shall be indemnified and held harmless by the Company against
    and from any loss, cost, liability, or expense that may be
    imposed upon or reasonably incurred by him or her in connection
    with or resulting from any claim, action, suit, or proceeding to
    which he or she may be a party or in which he or she may be
    involved by reason of any action taken or failure to act under
    the Plan and against and from any and all amounts paid by him or
    her in settlement thereof, with the Company&#146;s approval, or
    paid by him or her in satisfaction of any judgment in any such
    action, suit, or proceeding against him or her, provided he or
    she shall give the Company an opportunity, at its own expense,
    to handle and defend the same before he or she undertakes to
    handle and defend it on his or her own behalf, unless such loss,
    cost, liability, or expense is a result of his or her own
    willful misconduct or except as expressly provided by statute.
    The foregoing right of indemnification shall not be exclusive of
    any other rights of indemnification to which such persons may be
    entitled under the Company&#146;s Certificate of Incorporation
    of Bylaws, as a matter of law, or otherwise, or any power that
    the Company may have to indemnify them or hold them harmless.
</DIV>
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<P align="center" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #FFFFFF">
    <BR>
    A-14
</DIV><!-- END PAGE WIDTH -->
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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: Helvetica,Arial,sans-serif">

<P><DIV style="position: relative; float: left; width: 40%">

<DIV align="center" style="font-size: 7pt; margin-top: 12pt"><IMG src="d71175dd7117504.gif" alt="(PATTERSON-UTI LOGO)">
</DIV>
</DIV>
<DIV style="position: relative; float: right; width: 48%">
<DIV align="center" style="font-size: 7pt; margin-top: 0pt"><IMG src="d71175dd7117512.gif" alt="(IMAGE)">
</DIV>

</DIV>


<BR clear="all"><BR>
<DIV style="position: relative; float: left; width: 3%">

<DIV align="left" style="font-size: 10pt; margin-top: 20pt">
<BR><BR><BR><BR><BR><BR><BR>
<BR><BR><BR><BR><BR><BR><BR>
<BR><BR><BR><BR><BR><BR><BR>
<BR><BR>
<IMG src="d71175dd7117505.gif" alt="(NUMBERS)">
</DIV>
</DIV>

<DIV style="position: relative; float: right; margin-left: 2%; width: 89%">

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

<DIV align=center>
<TABLE style="FONT-SIZE: 6pt" cellSpacing=0 cellPadding=0 width="100%" border=0>
<!-- Begin Table Head -->
  <TR style="FONT-SIZE: 3pt" vAlign=bottom>
    <TD width="58%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD></TR><!-- End Table Head --><!-- Begin Table Body -->
  <TR vAlign=bottom>
    <TD vAlign=top>
      <DIV style="MARGIN-LEFT: 0px; TEXT-INDENT: 0px">TO VOTE, MARK BLOCKS BELOW
      IN BLUE OR BLACK INK AS FOLLOWS:</DIV></TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=center>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=right nowrap>KEEP THIS PORTION FOR YOUR RECORDS</TD></TR>
  <TR vAlign=bottom>
    <TD  align=right style="FONT-SIZE: 6pt; BORDER-TOP: #000000 1px dashed" colspan="4">
<DIV style="FONT-SIZE: 1pt" align=center>&nbsp;</DIV>
<B>THIS&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PROXY&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CARD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IS&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;VALID&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ONLY&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEN&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SIGNED&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DATED.&nbsp;&nbsp;&nbsp;</B></TD>
    <TD style="BORDER-TOP: #000000 1px dashed" vAlign=top align=right nowrap>DETACH
      AND RETURN THIS PORTION
ONLY</TD></TR><!-- End Table Body --> </TABLE></DIV>

<DIV style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid; BORDER-TOP: black  2px solid; PADDING-BOTTOM: 4px; PADDING-LEFT: 4px; PADDING-RIGHT: 4px; PADDING-TOP: 4px; WIDTH: 100%; margin-top=3px">

<DIV align="left" style="margin-right: 0pt">
<TABLE border="0" cellpadding="0" cellSpacing="0" style="FONT-SIZE: 7pt" width="100%">
<!-- Begin Table Head -->
  <TR style="FONT-SIZE: 1pt" valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
    <TD width="18%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="34%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
  <TR valign="bottom">
    <TD align="left" colspan="4" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><b>For<BR> All</b></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><b>Withhold<BR> All</b></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><b>For All<br> Except</b></TD>
    <TD>&nbsp;</TD>
    <TD rowspan="3" valign="Top" style="FONT-SIZE: 6pt" ><DIV>To withhold authority to vote for any individual<br>
 nominee(s), mark &#147;For All Except&#148; and write the <br>number(s) of
the nominee(s) on the line below.<BR>
<br>
<U>&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;&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;</U></DIV></TD>
    <TD ROWSPAN="3" align="center" valign="bottom" style="FONT-SIZE: 50pX; BORDER-top: black 0pt solid; BORDER-left: black 0pt solid"></TD>
   <TD style="BORDER-top: black 0pt solid">&nbsp;</TD>
    <TD style="BORDER-top: black 0pt solid; BORDER-right: black 0pt solid">&nbsp;</TD>
</TR>
<TR>
    <TD>&nbsp;</TD>
    <TD align="left" colspan="3"  rowspan="2" valign="top"><b>The
Board of Directors recommends that you<BR> vote  FOR  the following: </B><br>1.  Election of Directors</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="bottom" style="FONT-SIZE: 8pt" rowspan="2"><FONT face="wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="bottom" style="FONT-SIZE: 8pt" rowspan="2"><FONT face="wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="bottom" style="FONT-SIZE: 8pt" rowspan="2"><FONT face="wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right" style="BORDER-RIGHT: black 2pt solid; BORDER-top: black 2pt solid" valign="top">&nbsp;</TD>
    <TD style="BORDER-top: black 0pt solid; BORDER-right: black 0pt solid">&nbsp;</TD>
</TR>
<TR style="FONT-SIZE: 10pt">
    <TD align="left" valign="top">&nbsp;</TD>
    <TD colspan="1">&nbsp;</td>
    <TD>&nbsp;</TD>
    <TD style="BORDER-left: black 0pt solid">&nbsp;</TD>
    <TD>&nbsp;</TD>
<TD align=right style="BORDER-RIGHT: black 2pt solid; BORDER-left: black 0pt solid" valign="top">&nbsp;</TD>
    <TD style="BORDER-top: black 0pt solid; BORDER-right: black 0pt solid">&nbsp;</TD>
</TR>
<TR style="FONT-SIZE: 2pt" valign="bottom"><!-- Blank Space -->
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <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 style="BORDER-bottom: black 0pt solid;  BORDER-left: black 0pt solid #000000">&nbsp;</TD>
    <TD ALIGN=RIGHT STYLE="BORDER-RIGHT: BLACK 0PT SOLID; BORDER-bottom: black 0pt solid; BORDER-TOP: BLACK 0PT SOLID" VALIGN="TOP">&nbsp;</TD>
    <TD style="BORDER-bottom: black 0pt solid; BORDER-right: black 0pt solid">&nbsp;</TD>
</TR>
</TABLE>
</DIV>


<DIV align="center">
<TABLE style="font-size: 6pt" cellspacing="0" border="0" cellpadding="0" width="98%">
<!-- Begin Table Head -->
<TR valign="bottom" style="font-size: 12pt">
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="0%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="0%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="0%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="0%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</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 align="left" valign="top" colspan="2"><B>Nominees</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 5pt">
    <TD>&nbsp;</TD>
</tr>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">01</DIV></TD>
    <TD align="left" valign="top" colspan="2">Mark S. Siegel</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">02</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Kenneth N. Berns</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">03</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Charles O. Buckner</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">04</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Curtis W. Huff</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">05</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Terry H. Hunt</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">06</DIV></TD>
    <TD align="left" valign="top" colspan="2">Kenneth R. Peak</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">07</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Cloyce A. Talbott</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center">
<TABLE style="font-size: 6pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom" style="font-size: 1pt">
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="69%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD colspan="3" nowrap style="font-size: 6pt"><B><br><DIV style="margin-left:45px; text-indent:-15px">The
Board of Directors recommends you vote FOR the following proposal(s)
:</div></B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>For</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Against</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Abstain</B></TD>
</TR>
<TR style="font-size: 6pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD nowrap align="left" colspan="6">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</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 valign="top" nowrap>2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
    <TD colspan="5" align="left" valign="top"><DIV align="justify">
Approve an amendment to Patterson-UTI&#146;s 2005 Long-Term Incentive Plan to increase the number of shares available for issuance
under the plan.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD valign="top" nowrap>3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
    <TD colspan="5" align="left" valign="top"><DIV align="justify">
 Ratify the selection of PricewaterhouseCoopers LLP as the independent registered public accounting firm of Patterson-UTI for
 the fiscal year ending December&nbsp;31, 2010.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
</TR>
<TR style="font-size: 6pt" valign="bottom">
    <TD>&nbsp;</TD>

<TD colspan="3" nowrap style="font-size: 6pt"><B><br><DIV style="margin-left:45px; text-indent:-15px">The
Board of Directors does not have a recommendation for voting on the
following proposal(s):</div></B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>For</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Against</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Abstain</B></TD>
</TR>
<TR style="font-size: 6pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD nowrap align="left" colspan="6">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</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 valign="top" nowrap>4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
    <TD colspan="5" align="left" valign="top"><DIV align="justify">
In their discretion, the Proxies are authorized to vote upon such other business as may properly come before the Meeting or any and all adjournments or postponements thereof.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="FONT-SIZE: 8pt"><FONT face="Wingdings">&#111;</FONT></TD>
</TR>
<TR>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD valign="top" colspan="6">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
</TABLE>
</DIV>

<DIV align="center" style="font-size: 7pt; margin-left:4%; margin-right:2%; margin-top: 0pt"></DIV>

<DIV align=center>
<TABLE style="FONT-SIZE: 8pt" cellSpacing="0" cellPadding="0" width="98%" border="0">
<!-- Begin Table Head -->
  <TR style="FONT-SIZE: 26pt" vAlign=bottom>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="38%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="46%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
  <TR vAlign=bottom>
    <TD vAlign=bottom align=justify colspan="7"><DIV style="font-size: 8pt; MARGIN-LEFT: 0px; MARGIN-RIGHT: 5PX" align="left">
Please sign exactly as your name(s) appear(s) hereon. When signing as attorney,
executor, administrator, or other fiduciary, please give full title as such. Joint owners
should each sign personally. All holders must sign. If a corporation or
partnership, please sign in
full corporate or partnership name, by authorized officer.</DIV></TD>
    <TD style="BORDER: #000000 0px solid"><div style="margin-left:15%"><br>&nbsp;<br>
&nbsp;<br>
&nbsp;<br>
&nbsp;<br>
&nbsp;<br>
&nbsp;<br>
&nbsp;<br>
&nbsp;<br><br></div></TD></TR>
  <TR style="FONT-SIZE: 4pt"><!-- Blank Space -->
    <TD vAlign=top align=left>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=left>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=center>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=center>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align=center>
<TABLE style="FONT-SIZE: 7pt" cellSpacing=0 cellPadding=0 width="98%" border="0">
<!-- Begin Table Head -->
  <TR style="FONT-SIZE: 6pt" vAlign=bottom>
    <TD width="20%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD ALIGN="RIGHT" width="14%" STYLE="FONT-SIZE: 9PT"><B></B>&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
  <TR style="FONT-SIZE: 9pt" vAlign=bottom>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM:  #000000 1px solid" vAlign=top align=left colSpan=2><BR>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 0px solid; BORDER-BOTTOM:  #000000 1px solid" vAlign=top align=left><BR>&nbsp; </TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=left>&nbsp; </TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=left>&nbsp; </TD>
    <TD>&nbsp;</TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid" vAlign=top align=left colSpan="2"><BR>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 0px solid; BORDER-BOTTOM: #000000 1px solid" vAlign=top align=left><BR>&nbsp; </TD>
    <TD vAlign=top align=left>&nbsp; </TD>
    <TD ALIGN="RIGHT"><B>&nbsp;</B></TD></TR>

  <TR vAlign=bottom>
    <TD style="BORDER-RIGHT: #000000 0px solid; BORDER-TOP: #000000 0px solid; BORDER-LEFT: #000000 0px solid; BORDER-BOTTOM:  #000000 0px solid" vAlign=top noWrap align=left colSpan=2>
<FONT style="font-size: 7pt">Signature [PLEASE SIGN WITHIN BOX]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT> </TD>
    <TD      style="BORDER-RIGHT: #000000 0px solid; BORDER-TOP: #000000 0px solid; BORDER-LEFT: #000000 0px solid; BORDER-BOTTOM:  #000000 0px solid" vAlign=top align=left><FONT style="font-size: 7pt">Date</FONT> </TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=left>&nbsp;</TD>
    <TD nowrap>&nbsp;</TD>
    <TD vAlign=top align=left>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="BORDER-RIGHT: #000000 0px solid; BORDER-TOP: #000000 0px solid; BORDER-LEFT: #000000 0px solid; BORDER-BOTTOM: #000000 0px solid" vAlign=top align=left colSpan=2>
<FONT style="font-size: 7pt">Signature (Joint Owners)</FONT> </TD>
    <TD style="BORDER-RIGHT: #000000 0px solid; BORDER-TOP: #000000 0px solid; BORDER-LEFT: #000000 0px solid; BORDER-BOTTOM: #000000 0px solid" vAlign=top align=left>
<FONT style="font-size: 7pt">Date</FONT></TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top align=left>&nbsp;</TD></TR><!-- End Table Body --> </TABLE></DIV></DIV>

</DIV>


<DIV style="position: relative; float: right; width: 3%">

</DIV>
<BR clear="all"><BR>

<P align="center" style="font-size: 10pt"><!-- Folio --><!-- /Folio -->
</DIV>
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: Helvetica,Arial,sans-serif">

<P><DIV style="position: relative; float: left; width: 10%; margin-top: 30pt">
<P>
<div align="right">
<DIV style="width: 65%; border: 0px solid black; padding: 11px">

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

</DIV>
<DIV style="position: relative; float: right; width: 88%">
<P>

<DIV style="width: 40%; border: 0px solid black; padding: 11px">

<DIV align="right" style="font-size: 10pt; margin-top: 6pt"><br><br>
</DIV>
</DIV>
</DIV>
<BR clear="all"><BR>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%"><B>
Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting: </B>
The Annual Report, Notice &#038; Proxy Statement is/ are available at <u>www.proxyvote.com</u>.</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%; margin-right: 1%">
<DIV style="width: 100%; border-bottom: 1px dashed #000000; font-size: 1px">&nbsp;</DIV></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>
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    <TD width="0%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
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    <TD width="73%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR style="font-size: 1px">
    <TD align="right" valign="top">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD colspan="7" valign="top" align="left" style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD style="border-right: 0px solid #000000">&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD width="1%" style="border-right: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD align="right" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 0px solid #000000">&nbsp;</TD>
    <TD colspan="3" valign="top" align="left" style="border-top: 0px solid #000000; border-right: 0px solid #000000">&nbsp;</TD>
    <TD style="border-left: 0px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
    <TD align="center" valign="top" style="border-right: 0px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-right: 0px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-right: 0px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><div style="font-size: 11pt"><B>PATTERSON-UTI ENERGY, INC.<Br>
Annual Meeting of Stockholders<BR>April 26, 2010 3:00 PM<BR>
This proxy is solicited by the Board of Directors</B></div></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD width="1%" style="border-right: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD align="right" valign="top">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 0px solid #000000">&nbsp;</TD>
    <TD colspan="3" valign="top" align="left" style="border-top: 0px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-right: 0px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD width="1%" style="border-right: 2px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-right: 0px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD width="1%" style="border-right: 2px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">
The undersigned stockholder of Patterson-UTI Energy, Inc. (the &#147;Company&#148;) hereby
appoints Mark S. Siegel, Douglas J. Wall and John E. Vollmer III, and each of them, proxies to
the undersigned, each with full power to act without the other and with full power of substitution,
 to vote all of the shares which the undersigned is entitled to vote at the annual meeting of stockholders
 of the Company to be held Monday, April&nbsp;26, 2010, at 3:00 p.m., local time, at the Hilton Houston North
 Hotel, 12400 Greenspoint Drive, Houston, Texas 77060, and at any and all adjournments or postponements thereof,
 with the same force and effect as if the undersigned were personally present. The undersigned hereby instructs
the above-named proxies to vote the shares represented by this proxy in the manner as directed for the undersigned
 on the reverse side of this proxy card. If no directions are made, the proxies will vote &#147;FOR&#148; the nominees
 for directors, &#147;FOR&#148; the approval of the amendment to Patterson-UTI&#146;s 2005 Long-Term Incentive Plan to
 increase the number of shares authorized for issuance under the plan and &#147;FOR&#148; the ratification of the
selection of PricewaterhouseCoopers LLP as set forth on the reverse side. <B>If any other matter should be presented
properly, this proxy will be voted in accordance with the discretion of the above-named proxies.</B></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD width="1%" style="border-right: 2px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">
<IMG src="d71175dd7117506.gif" alt="(NUMBERS)"></DIV></TD>
    <TD style="border-right: 2px solid #000000">&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="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD width="1%" style="border-right: 2px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="7" valign="top" align="center"><B>Continued and to be marked, dated and signed on the reverse side</B><BR></TD>
    <TD width="1%" style="border-right: 2px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
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    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
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-----END PRIVACY-ENHANCED MESSAGE-----
