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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: 18pt"><B>As filed with the Securities and Exchange Commission on March&nbsp;15, 2006.</B>
</DIV>


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

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

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


<DIV align="center" style="font-size: 12pt; margin-top: 18pt"><B>REGISTRATION STATEMENT<BR>
UNDER<BR>
THE SECURITIES ACT OF 1933</B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>ULTRA PETROLEUM CORP.</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><B>(Exact Name of Registrant as Specified in Its Charter)</B></DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="48%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="48%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>Yukon Territory, Canada</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>N/A</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>(State or Other Jurisdiction of Incorporation or organization)</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>(I.R.S. Employer Identification Number)</B></TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>363 N. Sam Houston Pkwy. E., Suite&nbsp;1200</B></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>Houston, Texas</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>77060</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>(Address of Principal Executive Offices)</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>(Zip Code)</B></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Ultra Petroleum Corp. 2005 Stock Incentive Plan<BR>
(Full Title of the Plan)</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Michael D. Watford<BR>
Chairman, President and Chief Executive Officer<BR>
363 N. Sam Houston Pkwy. E., Suite&nbsp;1200<BR>
Houston, Texas 77060<BR>
(Name and address of Agent for Service)</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>(281)&nbsp;876-0120<BR>
(Telephone Number, Including Area Code, of Agent for Service)</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B><I>Copies to</I></B><B>:</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="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>George G. Young III</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Marshall D. Smith</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>Haynes and Boone, LLP</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Chief Financial Officer</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>1221 McKinney St., Suite&nbsp;2100</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Ultra Petroleum Corp.</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>Houston, Texas 77010</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>363 N. Sam Houston Pkwy. E. , Suite&nbsp;1200</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>(713)&nbsp;547-2081</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Houston, Texas 77060<BR>
(281)&nbsp;876-0120</B></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><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">
    <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="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="17" 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"><B>Proposed Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<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"><B>Offering Price Per</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Aggregate Offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><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">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<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"><B>Share (2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Price</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Registration Fee</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD valign="top" style="border-top: 2px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">Common Stock, no par value (3)
</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 nowrap align="right" valign="top" style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" valign="top" style="border-top: 2px solid #000000">5,000,000</TD>
    <TD nowrap valign="top" 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="center" valign="top" style="border-top: 2px solid #000000">$51.78</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="center" valign="top" style="border-top: 2px solid #000000">$258,900,000</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="center" valign="top" style="border-top: 2px solid #000000">$27,702.30</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="17" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

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

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pursuant to Rule 416(a) promulgated under the Securities Act of 1933, as amended, this
Registration Statement shall be deemed to cover an indeterminate number of additional shares
of common stock that may become issuable as a result of stock splits, stock dividends or
similar transactions pursuant to anti-dilution and adjustment provisions of the Ultra
Petroleum Corp. 2005 Stock Incentive Plan described herein.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Computed pursuant to Rules 457(c) and 457(h) of the Securities Act of 1933, based on the
average of the high and low sale prices, as reported on the American Stock Exchange on
March&nbsp;8, 2006 ($51.78).</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(3)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>In addition, pursuant to Rule 416(c) under the Securities Act of 1933, this registration
statement also covers an indeterminate amount of interests offered or sold pursuant to the
Ultra Petroleum Corp. 2005 Stock Incentive Plan.</TD>
</TR>

</TABLE>
</DIV>

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






<P align="center" style="font-size: 10pt">&nbsp;
</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>
	<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"> PART I</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;1. Plan Information*</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#002">Item&nbsp;2. Registrant Information and Employee Plan Annual Information*</A></TD></TR>
<TR><TD colspan="9"><A HREF="#003"> PART II</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#004">Item&nbsp;4. Description of Securities</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#005">Item&nbsp;5. Interests of Named Experts and Counsel</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#006">Item&nbsp;6. Indemnification of Directors and Officers</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#007">Item&nbsp;7. Exemption from Registration Claimed</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#008">Item&nbsp;8. Exhibits</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#009">Item&nbsp;9. Undertakings</A></TD></TR>
<TR><TD colspan="9"><A HREF="#010"> SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#011"> EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="h34076exv5w1.htm">Opinion of Lackowicz, Shier & Hoffman</A></TD></TR>
<TR><TD colspan="9"><A HREF="h34076exv23w1.htm">Consent of KPMG LLP</A></TD></TR>
<TR><TD colspan="9"><A HREF="h34076exv23w3.htm">Consent of Netherland, Sewell & Associates, Inc.</A></TD></TR>
<TR><TD colspan="9"><A HREF="h34076exv23w4.htm">Consent of Ryder Scott Company, L.P.</A></TD></TR>
<TR><TD colspan="9"><A HREF="h34076exv99w1.htm">Ultra Petroleum Corp. 2005 Stock Incentive Plan</A></TD></TR>
</TABLE>
</CENTER>
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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>




<!-- 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"><B>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B></DIV>


<!-- link2 "Item&nbsp;1. Plan Information*" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;1. Plan Information.*</B>
</DIV>

<!-- link2 "Item&nbsp;2. Registrant Information and Employee Plan Annual Information*" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;2. Registrant Information and Employee Plan Annual Information.*</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*The documents containing the information specified in Part&nbsp;I of Form S-8 will be sent or
given to participants in the Ultra Petroleum Corp. 2005 Stock Incentive Plan as specified by Rule
428(b)(1) of the Securities Act of 1933, as amended (the &#147;Securities Act&#148;). Such documents need
not be 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 Securities Act Rule
424. These documents, which include the statement of availability required by Item&nbsp;2 of Form S-8
and the documents incorporated by reference in this Registration Statement pursuant to Item&nbsp;3 of
Form S-8 (Part&nbsp;II hereof), taken together, constitute a prospectus that meets the requirements of
Section 10(a) of the Securities Act.
</DIV>
<!-- link1 " PART II " -->
<DIV align="left"><A NAME="003"></A></DIV>

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

<DIV align="center" style="font-size: 10pt"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B></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 us with the Commission pursuant to Section&nbsp;13 of the
Securities Exchange Act of 1934, as amended (the &#147;Exchange Act&#148;), are incorporated herein by
reference:
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Annual Report on Form 10-K for the fiscal year ended December&nbsp;31, 2004.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>All other reports filed by us pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934, as amended, since the end of the fiscal year covered by the document
referred to in (a)&nbsp;above (to the extent these items were &#147;filed&#148; with the SEC and not
&#147;furnished&#148;).</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The description of our common stock set forth in our Registration Statement on Form S-3
filed with the Commission pursuant to Section&nbsp;12 of the Exchange Act, on May&nbsp;31, 2002,
including any future 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 subsequently filed by us pursuant to Sections&nbsp;13(a), 13(c), 14 and 15(d) of the
Exchange Act, prior to the filing of a post-effective amendment which indicates that all securities
offered under the plan have been sold or which deregisters all securities then remaining unsold,
shall be deemed to be incorporated by reference herein and to be a part hereof from the date of the
filing of such documents.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any statement contained in a document incorporated or deemed to be incorporated by reference
herein shall be deemed to be modified or superseded for purposes hereof to the extent that a
statement contained herein or in any other subsequently filed document which also is or is deemed
to be incorporated by reference herein modifies or supersedes such statement. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded, to constitute a
part hereof.
</DIV>
<!-- link2 "Item&nbsp;4. Description of Securities" -->
<DIV align="left"><A NAME="004"></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="005"></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">2
</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="006"></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;The Yukon Business Corporation Act (the &#147;Business Corporations Act&#148;), Section&nbsp;126, enables a
corporation to indemnify a director or officer or a former director or officer of the corporation,
or a person who acts or acted at the corporation&#146;s request as a director or officer of a body
corporate of which the corporation is or was a shareholder or creditor, and his heirs and personal
representatives (collectively, a &#147;Person&#148;), against all costs, charges and expenses, including an
amount paid to settle an action or to satisfy a judgment reasonably incurred by him in any civil,
criminal or administrative action or proceeding to which he is made a party by reason of being or
having been such a director or officer if:
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>he acted honestly and in good faith with a view to the best interests of the corporation; 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="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>in the case of a criminal or administrative action or proceeding that is
enforced by a monetary penalty, he had reasonable grounds for believing that his
conduct was lawful.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Furthermore, the Business Corporation Act provides that a Person is entitled to indemnity from
the corporation in respect of all costs, charges and expenses reasonably incurred by him in
connection with the defense of any civil, criminal or administrative action or proceeding to which
he is made a party by reason of being or having been a director or officer of the corporation or
body corporate if the Person seeking indemnification:
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>fulfills the conditions set forth in subparagraphs (a)&nbsp;and (b)&nbsp;above;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>was substantially successful on the merits in his defense of the action or proceeding; 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="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>is fairly and reasonably entitled to indemnity.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Business Corporations Act also provides that a corporation may purchase and maintain
insurance for the benefit of a Person against liability incurred by him:
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>in his capacity as a director or officer of the corporation, except when the
liability relates to his failure to act honestly and in good faith with a view to the
best interests of the corporation; or</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>in his capacity as a director or officer of another body corporate if he acts
or acted in that capacity at the corporation&#146;s request, except where the liability
relates to his failure to act honestly and in good faith with a view to the best
interests of the body corporate.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Our Bylaws provide for indemnification of our officers and directors, and the advancement to
them of expenses in connection with proceedings and claims, to the fullest extent permitted under
the Business Corporations Act. Our Bylaws also provide that subject to the limitations contained
in the Business Corporations Act, we may purchase and maintain insurance for the benefit of our
directors and officers as our Board of Directors may from time to time determine. We have
purchased liability insurance for our directors and officers which insures, among other things:
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>our officers and directors from any claim arising out of an alleged wrongful
act by such persons while acting as directors, officers or controlling persons; 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="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>us, to the extent we have indemnified the directors and officers for such loss.</TD>
</TR>

</TABLE>
</DIV>
<!-- link2 "Item&nbsp;7. Exemption from Registration Claimed" -->
<DIV align="left"><A NAME="007"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;7. Exemption from Registration Claimed.</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">3
</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">
<!-- link2 "Item&nbsp;8. Exhibits" -->
<DIV align="left"><A NAME="008"></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="6%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="89%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Specimen of Common Share Certificate, no par value, of the Registrant (incorporated by
reference to Exhibit&nbsp;4.1 of the Registrant&#146;s Quarterly Report on Form&nbsp;10-Q filed with
the Commission on August&nbsp;9, 2001)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Continuance and Articles of Continuance of the Registrant (incorporated
by reference to Exhibit&nbsp;3.1 of the Registrant&#146;s Quarterly Report on Form&nbsp;10-Q filed
with the Commission on August&nbsp;9, 2001)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Bylaws of the Registrant (incorporated by reference to Exhibit&nbsp;3.1 of the Registrant&#146;s
Quarterly Report on Form&nbsp;10-Q filed with the Commission on August&nbsp;9, 2001)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Lackowicz, Shier &#038; Hoffman, counsel to the Registrant (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" 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 (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Lackowicz, Shier &#038; Hoffman, counsel to the Registrant (included in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Netherland, Sewell &#038; Associates, Inc. (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Ryder Scott Company, L.P. (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" 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 signature page to this Registration Statement).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Ultra Petroleum Corp. 2005 Stock Incentive Plan (filed herewith)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<!-- link2 "Item&nbsp;9. Undertakings" -->
<DIV align="left"><A NAME="009"></A></DIV>

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


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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>We hereby undertake:</TD>
</TR>

</TABLE>
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>To file, during any period in which offers or sales are being made, a
post-effective amendment to this Registration Statement:</TD>
</TR>

</TABLE>
</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="8%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(i)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>To include any prospectus required by Section&nbsp;10(a)(3) of the Securities Act of 1933;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="8%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(ii)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="8%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(iii)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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;</TD>
</TR>

</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 8%"><I>provided, however</I>, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the
information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed with or furnished to the
Commission by us pursuant to Section&nbsp;13 or Section 15(d) of the Securities Exchange
Act of 1934 that are incorporated by reference in the 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="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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</TD>
</TR>

</TABLE>
</DIV>
<P align="center" style="font-size: 10pt">4
</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 style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">


<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&nbsp;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>offered therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(3)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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.</TD>
</TR>

</TABLE>
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>We hereby undertake that, for purposes of determining any liability under the Securities Act
of 1933, each filing of our annual report pursuant to Section 13(a) or Section 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 bona fide offering thereof.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(h)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to our directors, officers and controlling persons pursuant to the foregoing
provisions, or otherwise, we have been advised that in the opinion of the Commission such
indemnification is against public policy as expressed in the Securities Act of 1933 and is,
therefore, unenforceable. In the event that a claim for indemnification against such
liabilities (other than the payment by us of expenses incurred or paid by a director, officer
or controlling person 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, we will, unless in the opinion of our counsel the matter has been settled by
controlling precedent, submit to a court of appropriate jurisdiction the question whether such
indemnification by us is against public policy as expressed in the Securities Act of 1933 and
will be governed by the final adjudication of such issue.</TD>
</TR>


</TABLE>
</DIV>
<P align="center" style="font-size: 10pt">5
</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 style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">



</TABLE>
</DIV>
<!-- link1 " SIGNATURES " -->
<DIV align="left"><A NAME="010"></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 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 March&nbsp;15, 2006.
</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="65%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="34%">&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>&nbsp;</TD>
    <TD align="left" valign="top">By:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/ Michael D. Watford&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Michael D. Watford,</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chairman, President and</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chief Executive Officer</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each of the undersigned constitutes and appoints Michael D. Watford and Marshall D. Smith, and
each of them, his true and lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him and in his name, place and stead, in any and all capacities, to sign this
registration statement and any and all amendments to this registration statement (including
post-effective amendments) and to file same, with all exhibits thereto and other documents in
connection therewith, with the Securities and Exchange Commission, and/or any state securities
department or any other federal or state agency or governmental authority granting unto such
attorneys-in-fact and agents, and each of them, full power to do and perform each and every act and
thing requisite and necessary to be done in and about the premises, as fully and to all extents and
purposes as he might or could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of them, or their or his substitute or substitutes, may 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 dates 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="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>SIGNATURE</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>TITLE</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>DATE</B></TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Michael D. Watford
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Chairman, President and Chief Executive
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">March&nbsp;15, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV>
Michael D. Watford
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Officer (Principal Executive Officer)</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Marshall D. Smith
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" nowrap rowspan="2">Chief Financial Officer
(Principal <BR>
Financial and Accounting Officer)
</TD>
    <TD></TD>
    <TD align="center" valign="top">March&nbsp;15, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV>
Marshall D. Smith
</TD>
    <TD>&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ W. Charles Helton
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">March&nbsp;15, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV>
W. Charles Helton</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ James E. Nielson
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">March&nbsp;15, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV>
James E. Nielson</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Robert E. Rigney
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">March&nbsp;15, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV>
Robert E. Rigney</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ James C. Roe
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">March&nbsp;15, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV>
James C. Roe</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt">&nbsp;
</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="center" style="font-size: 10pt; margin-top: 18pt"><B>AUTHORIZED U.S. REPRESENTATIVE</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of Section 6(a) of the Securities Act of 1933, as amended, the
Authorized Representative has duly caused this Registration Statement to be signed on its behalf by
the undersigned, solely in its capacity as the duly authorized representative of Ultra Petroleum
Corp. in the United States, in the City of Houston, Texas, on this 15<SUP style="font-size: 85%; vertical-align: text-top">th</SUP> day of March,
2006.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">ULTRA RESOURCES INC., a Wyoming corporation<BR>
(Authorized U.S. Representative)

</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="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="62%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">By:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/ Name: Michael D. Watford</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD colspan="3" valign="top" align="left">Name: Michael D. Watford</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD colspan="3" valign="top" align="left">Title: President and Chief Executive Officer</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

<!-- link1 " EXHIBIT INDEX" -->
<DIV align="left"><A NAME="011"></A></DIV>

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

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="6%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="89%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Specimen of Common Share Certificate, no par value, of the Registrant (incorporated by
reference to Exhibit&nbsp;4.1 of the Registrant&#146;s Quarterly Report on Form&nbsp;10-Q filed with
the Commission on August&nbsp;9, 2001)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Certificate of Continuance and Articles of Continuance of the Registrant (incorporated
by reference to Exhibit&nbsp;3.1 of the Registrant&#146;s Quarterly Report on Form&nbsp;10-Q filed
with the Commission on August&nbsp;9, 2001)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Bylaws of the Registrant (incorporated by reference to Exhibit&nbsp;3.1 of the Registrant&#146;s
Quarterly Report on Form&nbsp;10-Q filed with the Commission on August&nbsp;9, 2001)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Lackowicz, Shier &#038; Hoffman, counsel to the Registrant (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" 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 (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Lackowicz, Shier &#038; Hoffman, counsel to the Registrant (included in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Netherland, Sewell &#038; Associates, Inc. (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Ryder Scott Company L.P. (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" 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 signature page to this Registration Statement).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" 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 align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Ultra Petroleum Corp. 2005 Stock Incentive Plan (filed herewith)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

</BODY>
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sv8
Table of Contents
As filed with the Securities and Exchange Commission on March 15, 2006.
Registration
No. 333-
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
ULTRA PETROLEUM CORP.
(Exact Name of Registrant as Specified in Its Charter)
Yukon Territory, Canada
N/A
(State or Other Jurisdiction of Incorporation or organization)
(I.R.S. Employer Identification Number)
363 N. Sam Houston Pkwy. E., Suite 1200
Houston, Texas
77060
(Address of Principal Executive Offices)
(Zip Code)
Ultra Petroleum Corp. 2005 Stock Incentive Plan
(Full Title of the Plan)
Michael D. Watford
Chairman, President and Chief Executive Officer
363 N. Sam Houston Pkwy. E., Suite 1200
Houston, Texas 77060
(Name and address of Agent for Service)
(281) 876-0120
(Telephone Number, Including Area Code, of Agent for Service)
Copies to
:
George G. Young III
Marshall D. Smith
Haynes and Boone, LLP
Chief Financial Officer
1221 McKinney St., Suite 2100
Ultra Petroleum Corp.
Houston, Texas 77010
363 N. Sam Houston Pkwy. E. , Suite 1200
(713) 547-2081
Houston, Texas 77060
(281) 876-0120
CALCULATION OF REGISTRATION FEE
Proposed Maximum
Proposed Maximum
Title of Securities
Amount to be
Offering Price Per
Aggregate Offering
Amount of
to be Registered
Registered (1)
Share (2)
Price
Registration Fee
Common Stock, no par value (3)
5,000,000
$51.78
$258,900,000
$27,702.30
(1)
Pursuant to Rule 416(a) promulgated under the Securities Act of 1933, as amended, this
Registration Statement shall be deemed to cover an indeterminate number of additional shares
of common stock that may become issuable as a result of stock splits, stock dividends or
similar transactions pursuant to anti-dilution and adjustment provisions of the Ultra
Petroleum Corp. 2005 Stock Incentive Plan described herein.
(2)
Computed pursuant to Rules 457(c) and 457(h) of the Securities Act of 1933, based on the
average of the high and low sale prices, as reported on the American Stock Exchange on
March 8, 2006 ($51.78).
(3)
In addition, pursuant to Rule 416(c) under the Securities Act of 1933, this registration
statement also covers an indeterminate amount of interests offered or sold pursuant to the
Ultra Petroleum Corp. 2005 Stock Incentive Plan.
TABLE OF CONTENTS
PART I
Item 1. Plan Information*
Item 2. Registrant Information and Employee Plan Annual Information*
PART II
Item 4. Description of Securities
Item 5. Interests of Named Experts and Counsel
Item 6. Indemnification of Directors and Officers
Item 7. Exemption from Registration Claimed
Item 8. Exhibits
Item 9. Undertakings
SIGNATURES
EXHIBIT INDEX
Opinion of Lackowicz, Shier & Hoffman
Consent of KPMG LLP
Consent of Netherland, Sewell & Associates, Inc.
Consent of Ryder Scott Company, L.P.
Ultra Petroleum Corp. 2005 Stock Incentive Plan
Table of Contents
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
Item 1. Plan Information.*
Item 2. Registrant Information and Employee Plan Annual Information.*
*The documents containing the information specified in Part I of Form S-8 will be sent or
given to participants in the Ultra Petroleum Corp. 2005 Stock Incentive Plan as specified by Rule
428(b)(1) of the Securities Act of 1933, as amended (the "Securities Act"). Such documents need
not be filed with the Securities and Exchange Commission (the "Commission") either as part of this
Registration Statement or as prospectuses or prospectus supplements pursuant to Securities Act Rule
424. These documents, which include the statement of availability required by Item 2 of Form S-8
and the documents incorporated by reference in this Registration Statement pursuant to Item 3 of
Form S-8 (Part II hereof), taken together, constitute a prospectus that meets the requirements of
Section 10(a) of the Securities Act.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference.
The following documents filed by us with the Commission pursuant to Section 13 of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), are incorporated herein by
reference:
(a)
Annual Report on Form 10-K for the fiscal year ended December 31, 2004.
(b)
All other reports filed by us pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934, as amended, since the end of the fiscal year covered by the document
referred to in (a) above (to the extent these items were "filed" with the SEC and not
"furnished").
(c)
The description of our common stock set forth in our Registration Statement on Form S-3
filed with the Commission pursuant to Section 12 of the Exchange Act, on May 31, 2002,
including any future amendment or report filed for the purpose of updating such
description.
All documents subsequently filed by us pursuant to Sections 13(a), 13(c), 14 and 15(d) of the
Exchange Act, prior to the filing of a post-effective amendment which indicates that all securities
offered under the plan have been sold or which deregisters all securities then remaining unsold,
shall be deemed to be incorporated by reference herein and to be a part hereof from the date of the
filing of such documents.
Any statement contained in a document incorporated or deemed to be incorporated by reference
herein shall be deemed to be modified or superseded for purposes hereof to the extent that a
statement contained herein or in any other subsequently filed document which also is or is deemed
to be incorporated by reference herein modifies or supersedes such statement. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded, to constitute a
part hereof.
Item 4. Description of Securities.
Not applicable.
Item 5. Interests of Named Experts and Counsel.
Not applicable.
2
Table of Contents
Item 6. Indemnification of Directors and Officers.
The Yukon Business Corporation Act (the "Business Corporations Act"), Section 126, enables a
corporation to indemnify a director or officer or a former director or officer of the corporation,
or a person who acts or acted at the corporation's request as a director or officer of a body
corporate of which the corporation is or was a shareholder or creditor, and his heirs and personal
representatives (collectively, a "Person"), against all costs, charges and expenses, including an
amount paid to settle an action or to satisfy a judgment reasonably incurred by him in any civil,
criminal or administrative action or proceeding to which he is made a party by reason of being or
having been such a director or officer if:
(a)
he acted honestly and in good faith with a view to the best interests of the corporation; and
(b)
in the case of a criminal or administrative action or proceeding that is
enforced by a monetary penalty, he had reasonable grounds for believing that his
conduct was lawful.
Furthermore, the Business Corporation Act provides that a Person is entitled to indemnity from
the corporation in respect of all costs, charges and expenses reasonably incurred by him in
connection with the defense of any civil, criminal or administrative action or proceeding to which
he is made a party by reason of being or having been a director or officer of the corporation or
body corporate if the Person seeking indemnification:
(a)
fulfills the conditions set forth in subparagraphs (a) and (b) above;
(b)
was substantially successful on the merits in his defense of the action or proceeding; and
(c)
is fairly and reasonably entitled to indemnity.
The Business Corporations Act also provides that a corporation may purchase and maintain
insurance for the benefit of a Person against liability incurred by him:
(a)
in his capacity as a director or officer of the corporation, except when the
liability relates to his failure to act honestly and in good faith with a view to the
best interests of the corporation; or
(b)
in his capacity as a director or officer of another body corporate if he acts
or acted in that capacity at the corporation's request, except where the liability
relates to his failure to act honestly and in good faith with a view to the best
interests of the body corporate.
Our Bylaws provide for indemnification of our officers and directors, and the advancement to
them of expenses in connection with proceedings and claims, to the fullest extent permitted under
the Business Corporations Act. Our Bylaws also provide that subject to the limitations contained
in the Business Corporations Act, we may purchase and maintain insurance for the benefit of our
directors and officers as our Board of Directors may from time to time determine. We have
purchased liability insurance for our directors and officers which insures, among other things:
(a)
our officers and directors from any claim arising out of an alleged wrongful
act by such persons while acting as directors, officers or controlling persons; and
(b)
us, to the extent we have indemnified the directors and officers for such loss.
Item 7. Exemption from Registration Claimed.
Not applicable.
3
Table of Contents
Item 8. Exhibits.
Exhibit
Number
Description
4.1
Specimen of Common Share Certificate, no par value, of the Registrant (incorporated by
reference to Exhibit 4.1 of the Registrant's Quarterly Report on Form 10-Q filed with
the Commission on August 9, 2001)
4.2
Certificate of Continuance and Articles of Continuance of the Registrant (incorporated
by reference to Exhibit 3.1 of the Registrant's Quarterly Report on Form 10-Q filed
with the Commission on August 9, 2001)
4.3
Bylaws of the Registrant (incorporated by reference to Exhibit 3.1 of the Registrant's
Quarterly Report on Form 10-Q filed with the Commission on August 9, 2001)
5.1
Opinion of Lackowicz, Shier & Hoffman, counsel to the Registrant (filed herewith)
23.1
Consent of KPMG LLP (filed herewith)
23.2
Consent of Lackowicz, Shier & Hoffman, counsel to the Registrant (included in Exhibit 5.1)
23.3
Consent of Netherland, Sewell & Associates, Inc. (filed herewith)
23.4
Consent of Ryder Scott Company, L.P. (filed herewith)
24.1
Powers of Attorney (included on signature page to this Registration Statement).
99.1
Ultra Petroleum Corp. 2005 Stock Incentive Plan (filed herewith)
Item 9. Undertakings.
(a)
We hereby undertake:
(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;
(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 (a)(1)(i) and (a)(1)(ii) do not apply if the
information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed with or furnished to the
Commission by us pursuant to Section 13 or Section 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
4
Table of Contents
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.
(b)
We hereby undertake that, for purposes of determining any liability under the Securities Act
of 1933, each filing of our annual report pursuant to Section 13(a) or Section 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.
(h)
Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to our directors, officers and controlling persons pursuant to the foregoing
provisions, or otherwise, we have been advised that in the opinion of the Commission such
indemnification is against public policy as expressed in the Securities Act of 1933 and is,
therefore, unenforceable. In the event that a claim for indemnification against such
liabilities (other than the payment by us of expenses incurred or paid by a director, officer
or controlling person 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, we will, unless in the opinion of our counsel the matter has been settled by
controlling precedent, submit to a court of appropriate jurisdiction the question whether such
indemnification by us is against public policy as expressed in the Securities Act of 1933 and
will be governed by the final adjudication of such issue.
5
Table of Contents
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 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 March 15, 2006.
By:
/s/ Michael D. Watford
Michael D. Watford,
Chairman, President and
Chief Executive Officer
Each of the undersigned constitutes and appoints Michael D. Watford and Marshall D. Smith, and
each of them, his true and lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him and in his name, place and stead, in any and all capacities, to sign this
registration statement and any and all amendments to this registration statement (including
post-effective amendments) and to file same, with all exhibits thereto and other documents in
connection therewith, with the Securities and Exchange Commission, and/or any state securities
department or any other federal or state agency or governmental authority granting unto such
attorneys-in-fact and agents, and each of them, full power to do and perform each and every act and
thing requisite and necessary to be done in and about the premises, as fully and to all extents and
purposes as he might or could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of them, or their or his substitute or substitutes, may 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 dates indicated.
SIGNATURE
TITLE
DATE
/s/ Michael D. Watford
Chairman, President and Chief Executive
March 15, 2006
Michael D. Watford
Officer (Principal Executive Officer)
/s/ Marshall D. Smith
Chief Financial Officer
(Principal
Financial and Accounting Officer)
March 15, 2006
Marshall D. Smith
/s/ W. Charles Helton
Director
March 15, 2006
W. Charles Helton
/s/ James E. Nielson
Director
March 15, 2006
James E. Nielson
/s/ Robert E. Rigney
Director
March 15, 2006
Robert E. Rigney
/s/ James C. Roe
Director
March 15, 2006
James C. Roe
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AUTHORIZED U.S. REPRESENTATIVE
Pursuant to the requirements of Section 6(a) of the Securities Act of 1933, as amended, the
Authorized Representative has duly caused this Registration Statement to be signed on its behalf by
the undersigned, solely in its capacity as the duly authorized representative of Ultra Petroleum
Corp. in the United States, in the City of Houston, Texas, on this 15
th
day of March,
2006.
ULTRA RESOURCES INC., a Wyoming corporation
(Authorized U.S. Representative)
By:
/s/ Name: Michael D. Watford
Name: Michael D. Watford
Title: President and Chief Executive Officer
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EXHIBIT INDEX
Exhibit
Number
Description
4.1
Specimen of Common Share Certificate, no par value, of the Registrant (incorporated by
reference to Exhibit 4.1 of the Registrant's Quarterly Report on Form 10-Q filed with
the Commission on August 9, 2001)
4.2
Certificate of Continuance and Articles of Continuance of the Registrant (incorporated
by reference to Exhibit 3.1 of the Registrant's Quarterly Report on Form 10-Q filed
with the Commission on August 9, 2001)
4.3
Bylaws of the Registrant (incorporated by reference to Exhibit 3.1 of the Registrant's
Quarterly Report on Form 10-Q filed with the Commission on August 9, 2001)
5.1
Opinion of Lackowicz, Shier & Hoffman, counsel to the Registrant (filed herewith)
23.1
Consent of KPMG LLP (filed herewith)
23.2
Consent of Lackowicz, Shier & Hoffman, counsel to the Registrant (included in Exhibit 5.1)
23.3
Consent of Netherland, Sewell & Associates, Inc. (filed herewith)
23.4
Consent of Ryder Scott Company L.P. (filed herewith)
24.1
Powers of Attorney (included on signature page to this Registration Statement).
99.1
Ultra Petroleum Corp. 2005 Stock Incentive Plan (filed herewith)