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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>As filed with the Securities and Exchange Commission on May&nbsp;30, 2008</B></DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt; margin-right: 6%"><B>Registration No.&nbsp;333-</B>
</DIV>


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




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

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

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


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
UNDER<BR>
THE SECURITIES ACT OF 1933<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>WESTERN GAS PARTNERS, LP</B>
</DIV>

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


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>26-1075808</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">of incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Identification Number)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>1201 Lake Robbins Drive<BR>
The Woodlands, Texas 77380-1046</B><BR>
(Address of principal executive offices, including zip code)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Western Gas Partners, LP<BR>
2008 Long-Term Incentive Plan</B><BR>
(Full title of the plan)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Robert G. Gwin<BR>
President and Chief Executive Officer<BR>
Western Gas Partners, LP<BR>
1201 Lake Robbins Drive<BR>
The Woodlands, Texas 77380-1046</B><BR>
(Name and address of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>(832)&nbsp;636-6000</B><BR>
(Telephone number, including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><I>Copy to:</I></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>David P. Oelman<BR>
Vinson &#038; Elkins L.L.P.<BR>
1001 Fannin, Suite&nbsp;2500<BR>
Houston, Texas 77002-6760</B><BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer, or a smaller reporting company. See the definitions of &#147;large
accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule&nbsp;12b-2 of the
Exchange Act. (Check one):
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top">Large accelerated filer <FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Accelerated filer <FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Non-accelerated filer <FONT face="Wingdings">&#254;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Smaller reporting company <FONT face="Wingdings">&#111;</FONT></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" nowrap>(Do not check if a smaller reporting company)</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
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</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>CALCULATION OF REGISTRATION FEE</B></DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" 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="54%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="23" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Proposed maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Proposed maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Amount of</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>Title of securities</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Amount to be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>offering price</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>aggregate offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>registration</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>to be registered</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>registered (1)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>per share (2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>price (2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>fee</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD nowrap style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Units
representing
limited partner
interests</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">2,250,000</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">16.58</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">37,305,000</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">1,467</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="23" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 6pt; width: 18%; border-top: 0px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Pursuant to Rule 416(c) under the Securities Act of 1933, as amended (the &#147;Securities Act&#148;),
this Registration Statement shall also cover any additional common units that become issuable
under the Western Gas Partners, LP 2008 Long-Term Incentive Plan (the &#147;Plan&#148;) by reason of any
unit dividend, unit split, recapitalization or any other similar transaction effected without
the receipt of consideration that results in an increase in the number of the registrant&#146;s
outstanding common units.</TD>
</TR>

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

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for purposes of calculating the registration fee pursuant to Rules 457(h)
and 457(c) under the Securities Act based on the average of the high and low prices reported
on the New York Stock Exchange on May&nbsp;27, 2008.</TD>
</TR>

</TABLE>



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





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

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

<!-- 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>
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</TR>
<TR><TD colspan="9"><A HREF="#000">PART I</A></TD></TR>
<TR><TD colspan="9"><A HREF="#001">PART II</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#002">Item&nbsp;3. Incorporation of Documents by Reference</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#003">Item&nbsp;4. Description of Securities</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#004">Item&nbsp;5. Interests of Named Experts and Counsel</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#005">Item&nbsp;6. Indemnification of Directors and Officers</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#006">Item&nbsp;7. Exemptions from Registration Claimed</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#007">Item&nbsp;8. Exhibits</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#008">Item&nbsp;9. Undertakings</A></TD></TR>
<TR><TD colspan="9"><A HREF="#009">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#010">INDEX TO EXHIBITS</A></TD></TR>
<TR><TD colspan="9"><A HREF="h57303exv5w1.htm">Opinion of Vinson & Elkins L.L.P.</A></TD></TR>
<TR><TD colspan="9"><A HREF="h57303exv23w1.htm">Consent of KPMG LLP</A></TD></TR>
</TABLE>
</CENTER>
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>




<!-- link1 "PART I" -->
<DIV align="left"><A NAME="000"></A></DIV>

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


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B>

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The document(s) containing the information specified in Part&nbsp;I of Form S-8 (plan information
and registrant information) will be sent or given to employees as specified by Rule&nbsp;428(b)(1) under
the Securities Act of 1933, as amended (the &#147;Securities Act&#148;). In accordance with Rule&nbsp;428 and the
requirements of Part&nbsp;I of Form S-8, such documents are not being filed with the Securities and
Exchange Commission (the &#147;Commission&#148;) either as part of this registration statement or as
prospectuses or prospectus supplements pursuant to Rule&nbsp;424 under the Securities Act. We shall
maintain a file of such documents in accordance with the provisions of Rule&nbsp;428(a)(2) of the
Securities Act. Upon request, we shall furnish to the Commission or its staff a copy of any or all
of the documents included in the file.
</DIV>
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<DIV align="left"><A NAME="001"></A></DIV>

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


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>

</DIV>
<!-- link2 "Item&nbsp;3. Incorporation of Documents by Reference" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3. Incorporation of Documents by Reference.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents filed by the registrant with the Commission are incorporated by
reference in this registration statement:
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Our prospectus filed with the Commission pursuant to Rule 424(b) promulgated
under the Securities Act, on May&nbsp;9, 2008, in connection with the Registration
Statement on Form S-1, as amended (File No.&nbsp;333-146700);</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Our current report on Form 8-K (excluding any information furnished under Items
2.02 or 7.01 thereof) filed with the Commission on May&nbsp;14, 2008; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The description of our common units contained in our Registration Statement on
Form 8-A filed with the Commission on May&nbsp;6, 2008 (including any amendment or
report filed for the purpose of updating such description).</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents we file pursuant to Sections&nbsp;13(a), 13(c), 14 and 15(d) of the Securities
Exchange Act of 1934 (excluding any information furnished pursuant to Item&nbsp;2.02 or Item&nbsp;7.01 on any
current report on Form 8-K) subsequent to the effective date of this registration statement, and
prior to the filing of a post-effective amendment to this registration statement indicating that
all securities offered hereby have been sold or deregistering all securities then remaining unsold,
will be deemed to be incorporated by reference herein and to be a part of this registration
statement from the date of filing of those documents. Any statement contained in this registration
statement or in any document incorporated or deemed to be incorporated by reference in this
registration statement shall be deemed to be modified or superseded for purposes of this
registration statement to the extent that a statement contained in any other subsequently filed
document that also is or is deemed to be incorporated by reference in this registration statement
modifies or supersedes that statement. Any statement so modified or superseded shall not be deemed
to constitute a part of this registration statement, except as so modified or superseded.
</DIV>
<!-- link2 "Item&nbsp;4. Description of Securities" -->
<DIV align="left"><A NAME="003"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;4. Description of Securities.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not Applicable.
</DIV>
<!-- link2 "Item&nbsp;5. Interests of Named Experts and Counsel" -->
<DIV align="left"><A NAME="004"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5. Interests of Named Experts and Counsel.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not Applicable.
</DIV>

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

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

<DIV style="font-family: 'Times New Roman',Times,serif">
<!-- link2 "Item&nbsp;6. Indemnification of Directors and Officers" -->
<DIV align="left"><A NAME="005"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;6. Indemnification of Directors and Officers.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Subject to any terms, conditions or restrictions set forth in the partnership agreement,
Section&nbsp;17-108 of the Delaware Revised Uniform Limited Partnership Act empowers a Delaware limited
partnership to indemnify and hold harmless any partner or other persons from and against all claims
and demands whatsoever. Our partnership agreement provides that we will generally indemnify
officers, directors and affiliates of our general partner to the fullest extent permitted by the
law against all losses, claims, damages or similar events and is incorporated herein by this
reference.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Our general partner has purchased insurance covering its officers and directors against
liabilities asserted and expenses incurred in connection with their activities as officers and
directors of our general partner or any of its direct or indirect subsidiaries.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Our general partner has entered into indemnification agreements (each, an &#147;Indemnification
Agreement&#148;) with each of its officers and directors (each, an &#147;Indemnitee&#148;). Each Indemnification
Agreement provides that our general partner will indemnify and hold harmless each Indemnitee
against all expense, liability and loss (including attorney&#146;s fees, judgments, fines or penalties
and amounts to be paid in settlement) actually and reasonably incurred or suffered by the
Indemnitee in connection with serving in their capacity as officers and directors of our general
partner (or of any subsidiary of our general partner) or in any capacity at the request of our
general partner or its board of directors to the fullest extent permitted by applicable law,
including Section&nbsp;18-108 of the Delaware Limited Liability Company Act in effect on the date of the
agreement or as such laws may be amended to provide more advantageous rights to the Indemnitee. The
Indemnification Agreement also provides that our general partner must advance payment of certain
expenses to the Indemnitee, including fees of counsel, in advance of final disposition of any
proceeding subject to receipt of an undertaking from the Indemnitee to return such advance if it is
ultimately determined that the Indemnitee is not entitled to indemnification.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under our omnibus agreement, Anadarko Petroleum Corporation (&#147;Anadarko&#148;) will indemnify us for
a period of three&nbsp;years after the closing of our initial public offering against certain potential
environmental claims, losses and expenses associated with the operation of our assets, which occur
before the closing date of the initial public offering or relate to any investigation, claim or
proceeding under environmental laws relating to such assets and pending as of the closing of our
initial public offering. Anadarko will have no indemnification obligation with respect to
environmental claims made as a result of additions to or modifications of environmental laws that
are promulgated after the closing date of our initial public offering.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additionally, Anadarko will indemnify us for losses attributable to the following:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">(1)&nbsp;&nbsp;our failure, as of the closing date of our initial public offering, to have
valid easements, fee title or leasehold interests in and to the lands on which our
assets are located, to the extent such failure renders us unable to use or operate
our assets in substantially the same manner in which they were used and operated
immediately prior to the closing of our initial public offering;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;(2)&nbsp;&nbsp;our failure, as of the closing date of our initial public offering, to
have any consent or governmental permit necessary to allow (i)&nbsp;the transfer of
assets from Anadarko to us at the closing of our initial public offering or (ii)&nbsp;us
to use or operate our assets in substantially the same manner in which they were
used and operated immediately prior to the closing of our initial public offering;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;(3)&nbsp;&nbsp;all income tax liabilities
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">&nbsp; (i)&nbsp;&nbsp;attributable to the pre-closing operations of our assets,
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">&nbsp; (ii)&nbsp;&nbsp;arising from or relating to the formation transactions,
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">&nbsp;
(iii)&nbsp;of us that may arise after the closing of our initial public offering
which have been specifically assumed by Anadarko; or
</DIV>

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

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

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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">(iv)&nbsp;&nbsp;arising under Treasury Regulation&nbsp;Section&nbsp;1.1502-6 and any similar
provision from state, local or foreign applicable law, by contract, as
successor or transferee or otherwise, provided that such income tax is
attributable to having been a member of any consolidated, combined or
unitary group prior to the closing of our initial public offering;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;(4)&nbsp;&nbsp;all liabilities, other than covered environmental laws and other than
liabilities incurred in the ordinary course of business conducted in compliance with
the applicable laws, that arise prior to the closing date;&nbsp;and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;(5)&nbsp;&nbsp;all liabilities attributable to any assets or entities retained by
Anadarko.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Anadarko&#146;s maximum liability for indemnification is unlimited in amount. Anadarko will not
have any obligation to indemnify us, unless a claim for indemnification specifying in reasonable
detail the basis for such claim is furnished to us in good faith (a)&nbsp;with respect to a claim under
clause&nbsp;(1), (2)&nbsp;or (4)&nbsp;above, prior to the third anniversary date of the closing of our initial
public offering or (b)&nbsp;with respect to a claim under clause&nbsp;(3) or (5)&nbsp;above, prior to the first
day after expiration of the statute of limitations period applicable to such claim. In no event
shall Anadarko be obligated to indemnify us for any losses or income taxes to the extent we have
made reservations for any such losses or income taxes in our combined financial statements as of
December&nbsp;31, 2007, or to the extent we recover any such losses or income taxes under available
insurance coverage or from contractual rights against any third party.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under the omnibus agreement, we have agreed to indemnify Anadarko for all claims, losses and
expenses attributable to the post-closing operations of the gathering, compression, treating and
transportation assets contributed to us at the closing of our initial public offering, to the
extent not that such losses are not subject to Anadarko&#146;s indemnification obligations.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Anadarko&#146;s bylaws provide that it must indemnify to the fullest extent permitted by applicable
law any person made, or threatened to be made, a party in any action, suit or proceeding (whether
civil, criminal, administrative, arbitrative or investigative), by reason of the fact that he or
she is or was one of its directors or officers or by reason of the fact that such director or
officer, at Anadarko&#146;s request, is or was serving as a director, officer, employee or agent of
another corporation or of a partnership, joint venture, trust, enterprise or nonprofit entity.
Anadarko is not required to indemnify anyone in connection with any proceeding initiated by such
person unless it was authorized by our board of directors or is brought to enforce the right to
indemnification.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Anadarko has also entered into individual indemnification agreements with each of its
directors and certain executive officers, including Messrs.&nbsp;R. A. Walker, Karl F. Kurz and Robert
K. Reeves. These agreements indemnify these individuals to the fullest extent permitted by law
against inordinate risks of claims and actions against them arising out of their service to and
activities on behalf of Anadarko.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The underwriting agreement entered into in connection with our initial public offering
provides for indemnification of Anadarko and our general partner, their officers and directors, and
any person who controls Anadarko and our general partner, including indemnification for liabilities
under the Securities Act.
</DIV>
<!-- link2 "Item&nbsp;7. Exemptions from Registration Claimed" -->
<DIV align="left"><A NAME="006"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;7. Exemptions from Registration Claimed.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not Applicable.
</DIV>
<!-- link2 "Item&nbsp;8. Exhibits" -->
<DIV align="left"><A NAME="007"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits.</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="4%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">No.</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Description</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 6pt"><td>&nbsp;</td></tr>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Limited Partnership of Western Gas Partners, LP (incorporated by
reference to Exhibit&nbsp;3.1 to Western Gas Partners, LP&#146;s Registration Statement on
Form&nbsp;S-1 filed October&nbsp;15, 2007 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Formation of Western Gas Holdings, LLC (incorporated by
reference to Exhibit&nbsp;3.3 to Western Gas Partners, LP&#146;s Registration Statement on
Form&nbsp;S-1 filed October&nbsp;15, 2007 (File No.&nbsp;333-146700)).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

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

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

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="4%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">No.</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Description</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 6pt"><td>&nbsp;</td></tr>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Agreement of Limited Partnership of Western Gas Partners,
LP (incorporated by reference to Exhibit&nbsp;3.1 to Western Gas Partners, LP&#146;s Current
Report on Form&nbsp;8-K filed May&nbsp;14, 2008 (File No.&nbsp;001-34046)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Limited Liability Company Agreement of Western Gas
Holdings, LLC (incorporated by reference to Exhibit&nbsp;3.2 to Western Gas Partners, LP&#146;s
Current Report on Form&nbsp;8-K filed May&nbsp;14, 2008 (File No.&nbsp;001-34046)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Western Gas Partners, LP 2008 Long-Term Incentive Plan (incorporated by
reference to Exhibit&nbsp;10.11 to Western Gas Partners, LP&#146;s Registration Statement on Form
S-1 filed January&nbsp;23, 2008 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.7
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Western Gas Holdings, LLC Equity Incentive Plan (incorporated by reference to
Exhibit&nbsp;10.16 to Western Gas Partners, LP&#146;s Registration Statement on Form&nbsp;S-1 filed
January&nbsp;30, 2008 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.8
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Form of Award Agreement under Western Gas Partners, LP 2008 Long-Term Incentive
Plan (incorporated by reference to Exhibit&nbsp;10.9 to Western Gas Partners, LP&#146;s Current
Report on Form&nbsp;8-K filed May&nbsp;14, 2008 (File No.&nbsp;001-34046)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.9
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Western Gas Holdings, LLC &#150; Form of Award Agreement (incorporated by reference
to Exhibit&nbsp;10.15 to Western Gas Partners, LP&#146;s Registration Statement on Form&nbsp;S-1 filed
April&nbsp;15, 2008 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Vinson &#038; Elkins L.L.P.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of KPMG LLP.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Vinson &#038; Elkins L.L.P. (contained in Exhibit&nbsp;5.1 hereto).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Powers of Attorney (included on the signature page to this Registration Statement).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="1%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">*</TD>
    <TD>&nbsp;</TD>
    <TD>filed herewith.</TD>
</TR>

</TABLE>


<!-- link2 "Item&nbsp;9. Undertakings" -->
<DIV align="left"><A NAME="008"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9. Undertakings.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The undersigned registrant hereby undertakes:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;To file, during any period in which offers or sales are being made, a post-effective
amendment to this registration statement:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">(i)&nbsp;To include any prospectus required by Section&nbsp;10(a)(3) of the Securities Act of
1933;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">(ii)&nbsp;To reflect in the prospectus any facts or events arising after the effective
date of the registration statement (or the most recent post-effective amendment
thereof) which, individually or in the aggregate, represent a fundamental change in
the information set forth in the registration statement. Notwithstanding the
foregoing, any increase or decrease in volume of securities offered (if the total
dollar value of securities offered would not exceed that which was registered) and
any deviation from the low or high end of the estimated maximum offering range may
be reflected in the form of a prospectus filed with the Commission pursuant to Rule
424(b) if, in the aggregate, the changes in volume and price represent no more than
a 20% change in the maximum aggregate offering price set forth in the &#147;Calculation
of Registration Fee&#148; table in the effective registration statement; and
</DIV>

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

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

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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;To include any material information with respect to the plan of
distribution not previously disclosed in the registration statement or any material
change to such information in the registration statement;
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><I>provided, however, </I>that paragraphs (1)(i) and (1)(ii) do not apply if the information required to
be included in a post-effective amendment by those paragraphs is contained in reports filed with or
furnished to the Commission by the registrant pursuant to Section&nbsp;13 or 15(d) of the Securities
Exchange Act of 1934 that are incorporated by reference in the registration statement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;That, for the purpose of determining any liability under the Securities Act of 1933,
each such post-effective amendment shall be deemed to be a new registration statement relating to
the securities offered therein, and the offering of such securities at that time shall be deemed to
be the initial <I>bona fide </I>offering thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;To remove from registration by means of a post-effective amendment any of the
securities being registered which remain unsold at the termination of the offering.
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp; The undersigned registrant hereby undertakes that, for purposes of determining any
liability under the Securities Act of 1933, each filing of the registrant&#146;s annual report pursuant
to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (and, where applicable, each
filing of an employee benefit plan&#146;s annual report pursuant to Section 15(d) of the Securities
Exchange Act of 1934) that is incorporated by reference in the registration statement shall be
deemed to be a new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial <I>bona fide </I>offering
thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp; Insofar as indemnification for liabilities arising under the Securities Act of 1933 may
be permitted to directors, officers and controlling persons of the registrant pursuant to the
foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the
Commission such indemnification is against public policy as expressed in the Securities Act and is,
therefore, unenforceable. In the event that a claim for indemnification against such liabilities
(other than the payment by the registrant of expenses incurred or paid by a director, officer or
controlling person of the registrant in the successful defense of any action, suit or proceeding)
is asserted by such director, officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter has been settled
by controlling precedent, submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Securities Act and will be
governed by the final adjudication of such issue.
</DIV>



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



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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="009"></A></DIV>

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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Houston, State of Texas, on the 30<SUP style="font-size: 85%; vertical-align: text-top">th</SUP> day of
May, 2008.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>WESTERN GAS PARTNERS, LP</B><BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 0px solid #000000" align="left">WESTERN GAS HOLDINGS, LLC,
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">its general partner&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

<TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">       /s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">Robert G. Gwin</FONT>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left">Robert G. Gwin&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Name: President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and
appoints Robert G. Gwin and Michael C. Pearl, and each of them severally, his true and lawful
attorney or attorneys-in-fact and agents, with full power to act with or without the others and
with full power of substitution and resubstitution, to sign any and all amendments (including
post-effective amendments) to this Registration Statement, and to file the same with all exhibits
thereto, and other documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact full power and authority to do and perform each and every act
and anything appropriate or necessary to be done, as fully and for all intents and purposes as he
or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact
may lawfully do or cause to be done by virtue hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed by the following persons in the capacities and on the date indicated.
</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="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->

<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">Robert G. Gwin</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Robert G. Gwin  </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
President, Chief Executive
Officer and <br>Director (Principal
Executive Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">Michael C. Pearl</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Michael C. Pearl  </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Senior Vice President, Chief
Financial Officer and Principal
Accounting Officer (Principal
Financial Officer and Principal
Accounting Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">Danny J. Rea</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Danny J. Rea  </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Senior Vice President, Chief
Operating Officer and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">R. A. Walker</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
R. A. Walker </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Chairman of the Board and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">Milton Carroll</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Milton Carroll  </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
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</DIV>


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<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">Anthony R. Chase</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Anthony R. Chase  </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">James R. Crane</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
James R. Crane  </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">Karl F. Kurz</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Karl F. Kurz </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">Robert K. Reeves</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Robert K. Reeves  </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="left" valign="top">/s/&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS">David J. Tudor</FONT>
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
David J. Tudor  </TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 30, 2008</TD>
</TR>
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<DIV align="left"><A NAME="010"></A></DIV>

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

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    <TD width="5%">&nbsp;</TD>
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    <TD width="93%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">No.</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Description</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Limited Partnership of Western Gas Partners, LP (incorporated by
reference to Exhibit&nbsp;3.1 to Western Gas Partners, LP&#146;s Registration Statement on
Form&nbsp;S-1 filed October&nbsp;15, 2007 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Formation of Western Gas Holdings, LLC (incorporated by
reference to Exhibit&nbsp;3.3 to Western Gas Partners, LP&#146;s Registration Statement on
Form&nbsp;S-1 filed October&nbsp;15, 2007 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Agreement of Limited Partnership of Western Gas Partners,
LP (incorporated by reference to Exhibit&nbsp;3.1 to Western Gas Partners, LP&#146;s Current
Report on Form&nbsp;8-K filed May&nbsp;14, 2008 (File No.&nbsp;001-34046)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Limited Liability Company Agreement of Western Gas
Holdings, LLC (incorporated by reference to Exhibit&nbsp;3.2 to Western Gas Partners, LP&#146;s
Current Report on Form&nbsp;8-K filed May&nbsp;14, 2008 (File No.&nbsp;001-34046)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Western Gas Partners, LP 2008 Long-Term Incentive Plan (incorporated by
reference to Exhibit&nbsp;10.11 to Western Gas Partners, LP&#146;s Registration Statement on Form
S-1 filed January&nbsp;23, 2008 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.7
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Western Gas Holdings, LLC Equity Incentive Plan (incorporated by reference to
Exhibit&nbsp;10.16 to Western Gas Partners, LP&#146;s Registration Statement on Form&nbsp;S-1 filed
January&nbsp;30, 2008 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.8
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Form of Award Agreement under Western Gas Partners, LP 2008 Long-Term Incentive
Plan (incorporated by reference to Exhibit&nbsp;10.9 to Western Gas Partners, LP&#146;s Current
Report on Form&nbsp;8-K filed May&nbsp;14, 2008 (File No.&nbsp;001-34046)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.9
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Western Gas Holdings, LLC &#150; Form of Award Agreement (incorporated by reference
to Exhibit&nbsp;10.15 to Western Gas Partners, LP&#146;s Registration Statement on Form&nbsp;S-1 filed
April&nbsp;15, 2008 (File No.&nbsp;333-146700)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Vinson &#038; Elkins L.L.P.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of KPMG LLP.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Vinson &#038; Elkins L.L.P. (contained in Exhibit&nbsp;5.1 hereto).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Powers of Attorney (included on the signature page to this Registration Statement).</TD>
</TR>
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    <TD nowrap align="left">*</TD>
    <TD>&nbsp;</TD>
    <TD>filed herewith.</TD>
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sv8
Table of Contents
As filed with the Securities and Exchange Commission on May 30, 2008
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
WESTERN GAS PARTNERS, LP
(Exact name of Registrant as specified in its charter)
Delaware
26-1075808
(State or other jurisdiction
(I.R.S. Employer
of incorporation or organization)
Identification Number)
1201 Lake Robbins Drive
The Woodlands, Texas 77380-1046
(Address of principal executive offices, including zip code)
Western Gas Partners, LP
2008 Long-Term Incentive Plan
(Full title of the plan)
Robert G. Gwin
President and Chief Executive Officer
Western Gas Partners, LP
1201 Lake Robbins Drive
The Woodlands, Texas 77380-1046
(Name and address of agent for service)
(832) 636-6000
(Telephone number, including area code, of agent for service)
Copy to:
David P. Oelman
Vinson & Elkins L.L.P.
1001 Fannin, Suite 2500
Houston, Texas 77002-6760
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large
accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the
Exchange Act. (Check one):
Large accelerated filer
o
Accelerated filer
o
Non-accelerated filer
þ
Smaller reporting company
o
(Do not check if a smaller reporting company)
CALCULATION OF REGISTRATION FEE
Proposed maximum
Proposed maximum
Amount of
Title of securities
Amount to be
offering price
aggregate offering
registration
to be registered
registered (1)
per share (2)
price (2)
fee
Common Units
representing
limited partner
interests
2,250,000
$
16.58
$
37,305,000
$
1,467
(1)
Pursuant to Rule 416(c) under the Securities Act of 1933, as amended (the "Securities Act"),
this Registration Statement shall also cover any additional common units that become issuable
under the Western Gas Partners, LP 2008 Long-Term Incentive Plan (the "Plan") by reason of any
unit dividend, unit split, recapitalization or any other similar transaction effected without
the receipt of consideration that results in an increase in the number of the registrant's
outstanding common units.
(2)
Estimated solely for purposes of calculating the registration fee pursuant to Rules 457(h)
and 457(c) under the Securities Act based on the average of the high and low prices reported
on the New York Stock Exchange on May 27, 2008.
TABLE OF CONTENTS
PART I
PART II
Item 3. Incorporation of Documents by Reference
Item 4. Description of Securities
Item 5. Interests of Named Experts and Counsel
Item 6. Indemnification of Directors and Officers
Item 7. Exemptions from Registration Claimed
Item 8. Exhibits
Item 9. Undertakings
SIGNATURES
INDEX TO EXHIBITS
Opinion of Vinson & Elkins L.L.P.
Consent of KPMG LLP
Table of Contents
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
The document(s) containing the information specified in Part I of Form S-8 (plan information
and registrant information) will be sent or given to employees as specified by Rule 428(b)(1) under
the Securities Act of 1933, as amended (the "Securities Act"). In accordance with Rule 428 and the
requirements of Part I of Form S-8, such documents are not being filed with the Securities and
Exchange Commission (the "Commission") either as part of this registration statement or as
prospectuses or prospectus supplements pursuant to Rule 424 under the Securities Act. We shall
maintain a file of such documents in accordance with the provisions of Rule 428(a)(2) of the
Securities Act. Upon request, we shall furnish to the Commission or its staff a copy of any or all
of the documents included in the file.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference.
The following documents filed by the registrant with the Commission are incorporated by
reference in this registration statement:
•
Our prospectus filed with the Commission pursuant to Rule 424(b) promulgated
under the Securities Act, on May 9, 2008, in connection with the Registration
Statement on Form S-1, as amended (File No. 333-146700);
•
Our current report on Form 8-K (excluding any information furnished under Items
2.02 or 7.01 thereof) filed with the Commission on May 14, 2008; and
•
The description of our common units contained in our Registration Statement on
Form 8-A filed with the Commission on May 6, 2008 (including any amendment or
report filed for the purpose of updating such description).
All documents we file pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Securities
Exchange Act of 1934 (excluding any information furnished pursuant to Item 2.02 or Item 7.01 on any
current report on Form 8-K) subsequent to the effective date of this registration statement, and
prior to the filing of a post-effective amendment to this registration statement indicating that
all securities offered hereby have been sold or deregistering all securities then remaining unsold,
will be deemed to be incorporated by reference herein and to be a part of this registration
statement from the date of filing of those documents. Any statement contained in this registration
statement or in any document incorporated or deemed to be incorporated by reference in this
registration statement shall be deemed to be modified or superseded for purposes of this
registration statement to the extent that a statement contained in any other subsequently filed
document that also is or is deemed to be incorporated by reference in this registration statement
modifies or supersedes that statement. Any statement so modified or superseded shall not be deemed
to constitute a part of this registration statement, except as so modified or superseded.
Item 4. Description of Securities.
Not Applicable.
Item 5. Interests of Named Experts and Counsel.
Not Applicable.
Table of Contents
Item 6. Indemnification of Directors and Officers.
Subject to any terms, conditions or restrictions set forth in the partnership agreement,
Section 17-108 of the Delaware Revised Uniform Limited Partnership Act empowers a Delaware limited
partnership to indemnify and hold harmless any partner or other persons from and against all claims
and demands whatsoever. Our partnership agreement provides that we will generally indemnify
officers, directors and affiliates of our general partner to the fullest extent permitted by the
law against all losses, claims, damages or similar events and is incorporated herein by this
reference.
Our general partner has purchased insurance covering its officers and directors against
liabilities asserted and expenses incurred in connection with their activities as officers and
directors of our general partner or any of its direct or indirect subsidiaries.
Our general partner has entered into indemnification agreements (each, an "Indemnification
Agreement") with each of its officers and directors (each, an "Indemnitee"). Each Indemnification
Agreement provides that our general partner will indemnify and hold harmless each Indemnitee
against all expense, liability and loss (including attorney's fees, judgments, fines or penalties
and amounts to be paid in settlement) actually and reasonably incurred or suffered by the
Indemnitee in connection with serving in their capacity as officers and directors of our general
partner (or of any subsidiary of our general partner) or in any capacity at the request of our
general partner or its board of directors to the fullest extent permitted by applicable law,
including Section 18-108 of the Delaware Limited Liability Company Act in effect on the date of the
agreement or as such laws may be amended to provide more advantageous rights to the Indemnitee. The
Indemnification Agreement also provides that our general partner must advance payment of certain
expenses to the Indemnitee, including fees of counsel, in advance of final disposition of any
proceeding subject to receipt of an undertaking from the Indemnitee to return such advance if it is
ultimately determined that the Indemnitee is not entitled to indemnification.
Under our omnibus agreement, Anadarko Petroleum Corporation ("Anadarko") will indemnify us for
a period of three years after the closing of our initial public offering against certain potential
environmental claims, losses and expenses associated with the operation of our assets, which occur
before the closing date of the initial public offering or relate to any investigation, claim or
proceeding under environmental laws relating to such assets and pending as of the closing of our
initial public offering. Anadarko will have no indemnification obligation with respect to
environmental claims made as a result of additions to or modifications of environmental laws that
are promulgated after the closing date of our initial public offering.
Additionally, Anadarko will indemnify us for losses attributable to the following:
(1)  our failure, as of the closing date of our initial public offering, to have
valid easements, fee title or leasehold interests in and to the lands on which our
assets are located, to the extent such failure renders us unable to use or operate
our assets in substantially the same manner in which they were used and operated
immediately prior to the closing of our initial public offering;
(2)  our failure, as of the closing date of our initial public offering, to
have any consent or governmental permit necessary to allow (i) the transfer of
assets from Anadarko to us at the closing of our initial public offering or (ii) us
to use or operate our assets in substantially the same manner in which they were
used and operated immediately prior to the closing of our initial public offering;
(3)  all income tax liabilities
(i)  attributable to the pre-closing operations of our assets,
(ii)  arising from or relating to the formation transactions,
(iii) of us that may arise after the closing of our initial public offering
which have been specifically assumed by Anadarko; or
Table of Contents
(iv)  arising under Treasury Regulation Section 1.1502-6 and any similar
provision from state, local or foreign applicable law, by contract, as
successor or transferee or otherwise, provided that such income tax is
attributable to having been a member of any consolidated, combined or
unitary group prior to the closing of our initial public offering;
(4)  all liabilities, other than covered environmental laws and other than
liabilities incurred in the ordinary course of business conducted in compliance with
the applicable laws, that arise prior to the closing date; and
(5)  all liabilities attributable to any assets or entities retained by
Anadarko.
Anadarko's maximum liability for indemnification is unlimited in amount. Anadarko will not
have any obligation to indemnify us, unless a claim for indemnification specifying in reasonable
detail the basis for such claim is furnished to us in good faith (a) with respect to a claim under
clause (1), (2) or (4) above, prior to the third anniversary date of the closing of our initial
public offering or (b) with respect to a claim under clause (3) or (5) above, prior to the first
day after expiration of the statute of limitations period applicable to such claim. In no event
shall Anadarko be obligated to indemnify us for any losses or income taxes to the extent we have
made reservations for any such losses or income taxes in our combined financial statements as of
December 31, 2007, or to the extent we recover any such losses or income taxes under available
insurance coverage or from contractual rights against any third party.
Under the omnibus agreement, we have agreed to indemnify Anadarko for all claims, losses and
expenses attributable to the post-closing operations of the gathering, compression, treating and
transportation assets contributed to us at the closing of our initial public offering, to the
extent not that such losses are not subject to Anadarko's indemnification obligations.
Anadarko's bylaws provide that it must indemnify to the fullest extent permitted by applicable
law any person made, or threatened to be made, a party in any action, suit or proceeding (whether
civil, criminal, administrative, arbitrative or investigative), by reason of the fact that he or
she is or was one of its directors or officers or by reason of the fact that such director or
officer, at Anadarko's request, is or was serving as a director, officer, employee or agent of
another corporation or of a partnership, joint venture, trust, enterprise or nonprofit entity.
Anadarko is not required to indemnify anyone in connection with any proceeding initiated by such
person unless it was authorized by our board of directors or is brought to enforce the right to
indemnification.
Anadarko has also entered into individual indemnification agreements with each of its
directors and certain executive officers, including Messrs. R. A. Walker, Karl F. Kurz and Robert
K. Reeves. These agreements indemnify these individuals to the fullest extent permitted by law
against inordinate risks of claims and actions against them arising out of their service to and
activities on behalf of Anadarko.
The underwriting agreement entered into in connection with our initial public offering
provides for indemnification of Anadarko and our general partner, their officers and directors, and
any person who controls Anadarko and our general partner, including indemnification for liabilities
under the Securities Act.
Item 7. Exemptions from Registration Claimed.
Not Applicable.
Item 8. Exhibits.
No.
Description
4.1
Certificate of Limited Partnership of Western Gas Partners, LP (incorporated by
reference to Exhibit 3.1 to Western Gas Partners, LP's Registration Statement on
Form S-1 filed October 15, 2007 (File No. 333-146700)).
4.2
Certificate of Formation of Western Gas Holdings, LLC (incorporated by
reference to Exhibit 3.3 to Western Gas Partners, LP's Registration Statement on
Form S-1 filed October 15, 2007 (File No. 333-146700)).
Table of Contents
No.
Description
4.3
Amended and Restated Agreement of Limited Partnership of Western Gas Partners,
LP (incorporated by reference to Exhibit 3.1 to Western Gas Partners, LP's Current
Report on Form 8-K filed May 14, 2008 (File No. 001-34046)).
4.4
Amended and Restated Limited Liability Company Agreement of Western Gas
Holdings, LLC (incorporated by reference to Exhibit 3.2 to Western Gas Partners, LP's
Current Report on Form 8-K filed May 14, 2008 (File No. 001-34046)).
4.5
Western Gas Partners, LP 2008 Long-Term Incentive Plan (incorporated by
reference to Exhibit 10.11 to Western Gas Partners, LP's Registration Statement on Form
S-1 filed January 23, 2008 (File No. 333-146700)).
4.7
Western Gas Holdings, LLC Equity Incentive Plan (incorporated by reference to
Exhibit 10.16 to Western Gas Partners, LP's Registration Statement on Form S-1 filed
January 30, 2008 (File No. 333-146700)).
4.8
Form of Award Agreement under Western Gas Partners, LP 2008 Long-Term Incentive
Plan (incorporated by reference to Exhibit 10.9 to Western Gas Partners, LP's Current
Report on Form 8-K filed May 14, 2008 (File No. 001-34046)).
4.9
Western Gas Holdings, LLC – Form of Award Agreement (incorporated by reference
to Exhibit 10.15 to Western Gas Partners, LP's Registration Statement on Form S-1 filed
April 15, 2008 (File No. 333-146700)).
5.1*
Opinion of Vinson & Elkins L.L.P.
23.1*
Consent of KPMG LLP.
23.2*
Consent of Vinson & Elkins L.L.P. (contained in Exhibit 5.1 hereto).
24.1*
Powers of Attorney (included on the signature page to this Registration Statement).
*
filed herewith.
Item 9. Undertakings.
The undersigned registrant hereby undertakes:
(1) To file, during any period in which offers or sales are being made, a post-effective
amendment to this registration statement:
(i) To include any prospectus required by Section 10(a)(3) of the Securities Act of
1933;
(ii) To reflect in the prospectus any facts or events arising after the effective
date of the registration statement (or the most recent post-effective amendment
thereof) which, individually or in the aggregate, represent a fundamental change in
the information set forth in the registration statement. Notwithstanding the
foregoing, any increase or decrease in volume of securities offered (if the total
dollar value of securities offered would not exceed that which was registered) and
any deviation from the low or high end of the estimated maximum offering range may
be reflected in the form of a prospectus filed with the Commission pursuant to Rule
424(b) if, in the aggregate, the changes in volume and price represent no more than
a 20% change in the maximum aggregate offering price set forth in the "Calculation
of Registration Fee" table in the effective registration statement; and
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(iii) To include any material information with respect to the plan of
distribution not previously disclosed in the registration statement or any material
change to such information in the registration statement;
provided, however,
that paragraphs (1)(i) and (1)(ii) do not apply if the information required to
be included in a post-effective amendment by those paragraphs is contained in reports filed with or
furnished to the Commission by the registrant pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934 that are incorporated by reference in the registration statement.
(2) That, for the purpose of determining any liability under the Securities Act of 1933,
each such post-effective amendment shall be deemed to be a new registration statement relating to
the securities offered therein, and the offering of such securities at that time shall be deemed to
be the initial
bona fide
offering thereof.
(3) To remove from registration by means of a post-effective amendment any of the
securities being registered which remain unsold at the termination of the offering.
The undersigned registrant hereby undertakes that, for purposes of determining any
liability under the Securities Act of 1933, each filing of the registrant's annual report pursuant
to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (and, where applicable, each
filing of an employee benefit plan's annual report pursuant to Section 15(d) of the Securities
Exchange Act of 1934) that is incorporated by reference in the registration statement shall be
deemed to be a new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial
bona fide
offering
thereof.
Insofar as indemnification for liabilities arising under the Securities Act of 1933 may
be permitted to directors, officers and controlling persons of the registrant pursuant to the
foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the
Commission such indemnification is against public policy as expressed in the Securities Act and is,
therefore, unenforceable. In the event that a claim for indemnification against such liabilities
(other than the payment by the registrant of expenses incurred or paid by a director, officer or
controlling person of the registrant in the successful defense of any action, suit or proceeding)
is asserted by such director, officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter has been settled
by controlling precedent, submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Securities Act and will be
governed by the final adjudication of such issue.
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SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Houston, State of Texas, on the 30
th
day of
May, 2008.
WESTERN GAS PARTNERS, LP
By:
WESTERN GAS HOLDINGS, LLC,
its general partner
By:
/s/
Robert G. Gwin
Name:
Robert G. Gwin
Name: President and Chief Executive Officer
KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and
appoints Robert G. Gwin and Michael C. Pearl, and each of them severally, his true and lawful
attorney or attorneys-in-fact and agents, with full power to act with or without the others and
with full power of substitution and resubstitution, to sign any and all amendments (including
post-effective amendments) to this Registration Statement, and to file the same with all exhibits
thereto, and other documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact full power and authority to do and perform each and every act
and anything appropriate or necessary to be done, as fully and for all intents and purposes as he
or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact
may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed by the following persons in the capacities and on the date indicated.
Signature
Title
Date
/s/
Robert G. Gwin
Robert G. Gwin
President, Chief Executive
Officer and
Director (Principal
Executive Officer)
May 30, 2008
/s/
Michael C. Pearl
Michael C. Pearl
Senior Vice President, Chief
Financial Officer and Principal
Accounting Officer (Principal
Financial Officer and Principal
Accounting Officer)
May 30, 2008
/s/
Danny J. Rea
Danny J. Rea
Senior Vice President, Chief
Operating Officer and Director
May 30, 2008
/s/
R. A. Walker
R. A. Walker
Chairman of the Board and Director
May 30, 2008
/s/
Milton Carroll
Milton Carroll
Director
May 30, 2008
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Signature
Title
Date
/s/
Anthony R. Chase
Anthony R. Chase
Director
May 30, 2008
/s/
James R. Crane
James R. Crane
Director
May 30, 2008
/s/
Karl F. Kurz
Karl F. Kurz
Director
May 30, 2008
/s/
Robert K. Reeves
Robert K. Reeves
Director
May 30, 2008
/s/
David J. Tudor
David J. Tudor
Director
May 30, 2008
Table of Contents
INDEX TO EXHIBITS
No.
Description
4.1
Certificate of Limited Partnership of Western Gas Partners, LP (incorporated by
reference to Exhibit 3.1 to Western Gas Partners, LP's Registration Statement on
Form S-1 filed October 15, 2007 (File No. 333-146700)).
4.2
Certificate of Formation of Western Gas Holdings, LLC (incorporated by
reference to Exhibit 3.3 to Western Gas Partners, LP's Registration Statement on
Form S-1 filed October 15, 2007 (File No. 333-146700)).
4.3
Amended and Restated Agreement of Limited Partnership of Western Gas Partners,
LP (incorporated by reference to Exhibit 3.1 to Western Gas Partners, LP's Current
Report on Form 8-K filed May 14, 2008 (File No. 001-34046)).
4.4
Amended and Restated Limited Liability Company Agreement of Western Gas
Holdings, LLC (incorporated by reference to Exhibit 3.2 to Western Gas Partners, LP's
Current Report on Form 8-K filed May 14, 2008 (File No. 001-34046)).
4.5
Western Gas Partners, LP 2008 Long-Term Incentive Plan (incorporated by
reference to Exhibit 10.11 to Western Gas Partners, LP's Registration Statement on Form
S-1 filed January 23, 2008 (File No. 333-146700)).
4.7
Western Gas Holdings, LLC Equity Incentive Plan (incorporated by reference to
Exhibit 10.16 to Western Gas Partners, LP's Registration Statement on Form S-1 filed
January 30, 2008 (File No. 333-146700)).
4.8
Form of Award Agreement under Western Gas Partners, LP 2008 Long-Term Incentive
Plan (incorporated by reference to Exhibit 10.9 to Western Gas Partners, LP's Current
Report on Form 8-K filed May 14, 2008 (File No. 001-34046)).
4.9
Western Gas Holdings, LLC – Form of Award Agreement (incorporated by reference
to Exhibit 10.15 to Western Gas Partners, LP's Registration Statement on Form S-1 filed
April 15, 2008 (File No. 333-146700)).
5.1*
Opinion of Vinson & Elkins L.L.P.
23.1*
Consent of KPMG LLP.
23.2*
Consent of Vinson & Elkins L.L.P. (contained in Exhibit 5.1 hereto).
24.1*
Powers of Attorney (included on the signature page to this Registration Statement).
*
filed herewith.