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<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" -->
<!-- Begin Block Tagged Note 8 - us-gaap:FairValueMeasurementInputsDisclosureTextBlock-->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="left" style="font-size: 10pt; margin-top: 12pt"><b>Note H. </b><b><i>Disclosures about fair value of financial instruments</i></b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     The Company uses a valuation framework based upon inputs that market participants use in
pricing an asset or liability, which are classified into two categories: observable inputs and
unobservable inputs. Observable inputs represent market data obtained from independent sources,
whereas unobservable inputs reflect a company’s own market assumptions, which are used if
observable inputs are not reasonably available without undue cost and effort. These two types of
inputs are further prioritized into the following fair value input hierarchy:
</div>
<div style="margin-top: 6pt">
<table width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; text-align: left">
<tr valign="top" style="font-size: 10pt; color: #000000; background: transparent">
<td width="4%" style="background: transparent"> </td>
<td width="3%" nowrap="nowrap" align="left"><b><i>Level 1</i></b><b>: </b></td>
<td width="1%"><b><i> </i></b></td>
<td>Unadjusted quoted prices in active markets that are accessible at the
measurement date for identical, unrestricted assets or liabilities. The Company considers
active markets to be those in which transactions for the assets or liabilities occur in
sufficient frequency and volume to provide pricing information on an ongoing basis.</td>
</tr>
<tr>
<td style="font-size: 6pt"> </td>
</tr>
<tr valign="top" style="font-size: 10pt; color: #000000; background: transparent">
<td width="2%" style="background: transparent"> </td>
<td width="3%" nowrap="nowrap" align="left"><b><i>Level 2</i></b><b>: </b></td>
<td width="1%"><b><i> </i></b></td>
<td>Quoted prices in markets that are not active, or inputs which are observable,
either directly or indirectly, for substantially the full term of the asset or liability.
This category includes those derivative instruments that the Company values using
observable market data. Substantially all of these inputs are observable in the
marketplace throughout the full term of the derivative instrument, can be derived from
observable data, or supported by observable levels at which transactions are executed in
the marketplace. Level 2 instruments primarily include non-exchange traded derivatives
such as over-the-counter commodity price swaps, basis swaps, investments and interest
rate swaps. The Company’s valuation models are primarily industry-standard models that
consider various inputs including: (i) quoted forward prices for commodities, (ii) time
value and (iii) current market and contractual prices for the underlying instruments, as
well as other relevant economic measures. The Company utilizes its counterparties’
valuations to assess the reasonableness of its prices and valuation techniques.</td>
</tr>
<tr>
<td style="font-size: 6pt"> </td>
</tr>
<tr valign="top" style="font-size: 10pt; color: #000000; background: transparent">
<td width="2%" style="background: transparent"> </td>
<td width="3%" nowrap="nowrap" align="left"><b><i>Level 3</i></b><b>: </b></td>
<td width="1%"><b><i> </i></b></td>
<td>Measured based on prices or valuation models that require inputs that are both
significant to the fair value measurement and less observable from objective sources
(<i>i.e.</i>, supported by little or no market activity). Level 3 instruments primarily include
derivative instruments, such as commodity price collars and floors, as well as
investments. The Company’s valuation models are primarily industry-standard models that
consider various inputs including: (i) quoted forward prices for commodities, (ii) time
value, (iii) volatility factors and (iv) current market and contractual prices for the
underlying instruments, as well as other relevant economic measures. Although the
Company utilizes its counterparties’ valuations to assess the reasonableness of its
prices and valuation techniques, the Company does not have sufficient corroborating
market evidence to support classifying these assets and liabilities as Level 2.</td>
</tr>
</table>
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="center" style="font-size: 10pt; margin-top: 0pt">
<b>
</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     The fair value input hierarchy level to which an asset or liability measurement in its
entirety falls is determined based on the lowest level input that is significant to the measurement
in its entirety. The following table presents the Company’s assets and liabilities that are
measured at fair value on a recurring basis at June 30, 2010, for each of the fair value hierarchy
levels:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="10" style="border-bottom: 1px solid #000000"><b>Fair Value Measurements at Reporting Date Using</b></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Significant</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Quoted Prices in</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Other</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Significant</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Active Markets for</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Observable</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Unobservable</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Fair Value at</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Identical Assets</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Inputs</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Inputs</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>June 30,</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td nowrap="nowrap" align="left"><b>(in thousands)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 1)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 2)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 3)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>2010</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Assets:</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">122,689</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">122,689</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Commodity derivative price collar contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">3,808</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">3,808</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">122,689</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">3,808</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">126,497</td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Liabilities:</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(44,315</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(44,315</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Commodity derivative basis swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(5,095</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(5,095</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Interest rate derivative swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(6,285</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(6,285</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(55,695</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(55,695</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Net financial assets (liabilities)
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">66,994</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">3,808</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">70,802</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="left" style="font-size: 10pt; margin-top: 12pt">     The following table sets forth a reconciliation of changes in the fair value of financial
assets (liabilities) classified as Level 3 in the fair value hierarchy:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="88%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td nowrap="nowrap" align="left"><b>(in thousands)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="5" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance at December 31, 2009
</div></td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(945</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Realized and unrealized gains, net
</div></td>
<td> </td>
<td> </td>
<td align="right">6,584</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Settlements (receipts), net
</div></td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(1,831</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance at June 30, 2010
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">3,808</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Total gains for the period included in earnings attributable to the change in unrealized gains relating to assets
(liabilities) still held at the reporting date
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">4,753</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="center" style="font-size: 10pt; margin-top: 0pt">
<b>
</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 12pt"><b>Assets and Liabilities Measured at Fair Value on a Recurring Basis</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     The following table presents the carrying amounts and fair values of the Company’s financial
instruments at June 30, 2010 and December 31, 2009:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7" style="border-bottom: 1px solid #000000"><b>June 30, 2010</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7" style="border-bottom: 1px solid #000000"><b>December 31, 2009</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Carrying</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Fair</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Carrying</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Fair</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td nowrap="nowrap" align="left"><b>(in thousands)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Value</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Value</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Value</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Value</b></td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Assets:</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Derivative instruments
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">94,573</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">94,573</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">24,923</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">24,923</td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Liabilities:</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Derivative instruments
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">23,771</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">23,771</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">91,756</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">91,756</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Credit facility
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">348,000</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">332,029</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">550,000</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">528,849</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">8.625% senior notes due 2017
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">296,023</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">309,000</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">295,836</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">315,000</td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     <b><i>Cash and cash equivalents, accounts receivable, other current assets, accounts payable,
interest payable and other current liabilities. </i></b>The carrying amounts approximate fair value due to
the short maturity of these instruments.
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     <b><i>Credit facility. </i></b>The fair value of the Company’s credit facility is estimated by discounting
the principal and interest payments at the Company’s credit adjusted discount rate at the reporting
date.
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     <b><i>Senior notes. </i></b>The fair value of the Company’s senior notes is based on quoted market prices.
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="center" style="font-size: 10pt; margin-top: 0pt">
<b>
</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     <b><i>Derivative instruments. </i></b>The fair value of the Company’s derivative instruments are estimated
by management considering various factors, including closing exchange and over-the-counter
quotations and the time value of the underlying commitments. Financial assets and liabilities are
classified based on the lowest level of input that is significant to the fair value measurement.
The Company’s assessment of the significance of a particular input to the fair value measurement
requires judgment, and may affect the valuation of the fair value of assets and liabilities and
their placement within the fair value hierarchy levels. The following tables (i) summarize the
valuation of each of the Company’s financial instruments by required pricing levels and (ii)
summarize the gross fair value by the appropriate balance sheet classification, even when the
derivative instruments are subject to netting arrangements and qualify for net presentation in the
Company’s consolidated balance sheets at June 30, 2010 and December 31, 2009:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="10" style="border-bottom: 1px solid #000000"><b>Fair Value Measurements Using</b></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Significant</b></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Total</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Quoted Prices in</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Other</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Significant</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Carrying Value</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Active Markets for</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Observable</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Unobservable</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>at</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Identical Assets</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Inputs</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Inputs</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>June 30,</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td nowrap="nowrap" align="left"><b>(in thousands)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 1)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 2)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 3)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>2010</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Assets </b><sup style="font-size: 85%; vertical-align: text-top"><b>(1)</b></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Current: </i><sup style="font-size: 85%; vertical-align: text-top"><i>(a)</i></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">50,851</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">50,851</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price collar contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">3,808</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">3,808</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">50,851</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">3,808</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">54,659</td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Noncurrent: </i><sup style="font-size: 85%; vertical-align: text-top"><i>(b)</i></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">71,838</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">71,838</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Interest rate derivative swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">71,838</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">71,838</td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Liabilities </b><sup style="font-size: 85%; vertical-align: text-top"><b>(1)</b></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Current: </i><sup style="font-size: 85%; vertical-align: text-top"><i>(a)</i></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(32,772</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(32,772</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative basis swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(3,485</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(3,485</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Interest rate derivative swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(4,086</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(4,086</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(40,343</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(40,343</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Noncurrent: </i><sup style="font-size: 85%; vertical-align: text-top"><i>(b)</i></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(11,543</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(11,543</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative basis swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(1,610</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(1,610</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Interest rate derivative swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(2,199</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(2,199</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(15,352</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(15,352</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Net financial assets
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">66,994</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">3,808</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">70,802</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><i>(a) </i>Total current financial assets, gross basis
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">14,316</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><i>(b) </i>Total noncurrent financial assets, gross basis
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">56,486</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:60px; text-indent:-15px">Net financial assets
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">70,802</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="center" style="font-size: 10pt; margin-top: 0pt">
<b>
</b>
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="7%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="10" style="border-bottom: 1px solid #000000"><b>Fair Value Measurements Using</b></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Significant</b></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Total</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Quoted Prices in</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Other</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Significant</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Carrying Value</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Active Markets for</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Observable</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Unobservable</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>at</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Identical Assets</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Inputs</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Inputs</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>December 31,</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td nowrap="nowrap" align="left"><b>(in thousands)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 1)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 2)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>(Level 3)</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>2009</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Assets </b><sup style="font-size: 85%; vertical-align: text-top"><b>(1)</b></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Current: </i><sup style="font-size: 85%; vertical-align: text-top"><i>(a)</i></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">13,850</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">13,850</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price collar contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">134</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">134</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">13,850</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">134</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">13,984</td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Noncurrent: </i><sup style="font-size: 85%; vertical-align: text-top"><i>(b)</i></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">35,016</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">35,016</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Interest rate derivative swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">1,369</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">1,369</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">36,385</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">36,385</td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Liabilities </b><sup style="font-size: 85%; vertical-align: text-top"><b>(1)</b></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Current: </i><sup style="font-size: 85%; vertical-align: text-top"><i>(a)</i></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(65,351</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(65,351</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative basis swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(5,254</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(5,254</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Interest rate derivative swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(3,870</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(3,870</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price collar contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(619</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(619</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(74,475</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(619</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(75,094</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Noncurrent: </i><sup style="font-size: 85%; vertical-align: text-top"><i>(b)</i></sup>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(38,259</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(38,259</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative basis swap contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(3,389</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(3,389</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Commodity derivative price collar contracts
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(460</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(460</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(41,648</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(460</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(42,108</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Net financial liabilities
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(65,888</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(945</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(66,833</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><i>(a) </i>Total current financial liabilities, gross basis
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(61,110</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><i>(b)</i>Total noncurrent financial liabilities, gross basis
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(5,723</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:60px; text-indent:-15px">Net financial liabilities
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(66,833</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<table width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; text-align: left">
<tr>
<td width="3%"></td>
<td width="1%"></td>
<td width="96"></td>
</tr>
<tr valign="top">
<td nowrap="nowrap" align="left">(1)</td>
<td> </td>
<td>The fair value of derivative instruments reported in the Company’s consolidated balance
sheets are subject to netting arrangements and qualify for net presentation. The following
table reports the net basis derivative fair values as reported in the consolidated balance
sheets at June 30, 2010 and December 31, 2009:</td>
</tr>
</table>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="center" style="font-size: 10pt; margin-top: 0pt">
<b>
</b>
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="76%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>June 30,</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>December 31,</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td nowrap="nowrap" align="left"><b>(in thousands)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>2010</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>2009</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="9" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Consolidated Balance Sheet Classification:
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Current derivative contracts:</i>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Assets
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">32,409</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">1,309</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Liabilities
</div></td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(18,093</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(62,419</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:60px; text-indent:-15px">Net current
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">14,316</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(61,110</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px"><i>Noncurrent derivative contracts:</i>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Assets
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">62,164</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">23,614</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:45px; text-indent:-15px">Liabilities
</div></td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(5,678</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(29,337</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:60px; text-indent:-15px">Net noncurrent
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">56,486</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(5,723</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="left" style="font-size: 10pt; margin-top: 12pt"><b>Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     Certain assets and liabilities are reported at fair value on a nonrecurring basis in the
Company’s consolidated balance sheets. The following methods and assumptions were used to estimate
the fair values:
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     <i>Impairments of long-lived assets — </i>The Company reviews its long-lived assets to be held and
used, including proved oil and natural gas properties, whenever events or circumstances indicate
that the carrying value of those assets may not be recoverable. An impairment loss is indicated if
the sum of the expected undiscounted future net cash flows is less than the carrying amount of the
assets. In that circumstance, the Company recognizes an impairment loss for the amount by which the
carrying amount of the asset exceeds the estimated fair value of the asset. The Company reviews its
oil and natural gas properties by amortization base or by individual well for those wells not
constituting part of an amortization base. For each property determined to be impaired, an
impairment loss equal to the difference between the carrying value of the properties and the
estimated fair value (discounted future cash flows) of the properties would be recognized at that
time. Estimating future cash flows involves the use of judgments, including estimation of the
proved and unproved oil and natural gas reserve quantities, timing of development and production,
expected future commodity prices, capital expenditures and production costs.
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     The Company periodically reviews its proved oil and natural gas properties that are sensitive
to oil and natural gas prices for impairment. Due primarily to downward adjustments to the
economically recoverable resource potential associated with declines in commodity prices and well
performance, the Company recognized impairment expense related to its proved oil and natural gas
properties. The following table reports the carrying amounts, estimated fair values and impairment
expense of long-lived assets for the three and six months ended June 30, 2010 and 2009:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="64%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Carrying</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Estimated</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Impairment</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td nowrap="nowrap" align="left"><b>(in thousands)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Amount</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Fair Value</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Expense</b></td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Three Months Ended June 30, 2010
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">7,884</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">3,192</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">4,692</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Three Months Ended June 30, 2009
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">7,232</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">2,733</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">4,499</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Six Months Ended June 30, 2010
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">13,776</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">6,464</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">7,312</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Six Months Ended June 30, 2009
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">14,175</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">5,620</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">8,555</td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="center" style="font-size: 10pt; margin-top: 0pt">
<b>
</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     <i>Asset Retirement Obligations — </i>The Company estimates the fair value of asset retirement
obligations based on discounted cash flow projections using numerous estimates, assumptions and
judgments regarding such factors as the existence of a legal obligation for an asset retirement
obligation; amounts and timing of settlements; the credit-adjusted risk-free rate to be used; and
inflation rates. See Note E for a summary of changes in asset retirement obligations.
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     Measurement information for assets that are measured at fair value on a nonrecurring basis was
as follows:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="11" style="border-bottom: 1px solid #000000"><b>Fair Value Measurements Using</b></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Significant</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Quoted Prices in</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Other</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Significant</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Active Markets for</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Observable</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Unobservable</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Total</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Identical Assets</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Inputs</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Inputs</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Impairment</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td nowrap="nowrap" align="left"><b>(in thousands)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>(Level 1)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>(Level 2)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>(Level 3)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Loss</b></td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Three Months Ended June 30, 2010:</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Impairment of long-lived assets
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">3,192</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">4,692</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Asset retirement obligations incurred in current period
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">665</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Three Months Ended June 30, 2009:</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Impairment of long-lived assets
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">2,733</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">4,499</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Asset retirement obligations incurred in current period
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">102</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Six Months Ended June 30, 2010:</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Impairment of long-lived assets
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">6,464</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">7,312</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Asset retirement obligations incurred in current period
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">1,111</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Six Months Ended June 30, 2009:</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Impairment of long-lived assets
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">5,620</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">8,555</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Asset retirement obligations incurred in current period
</div></td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">—</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">270</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
</div>
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This element represents the disclosure related to the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods.
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 33
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 6
-Footnote 4
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