10000000
300000000
85000000
2097054
4
6000000
0.0340
1200000
12010000
767500
767500
1.25
1.00
0.0532
5500000
1734221
4000000
2102176
0.10
3836397
141606000
526000
172000
267377000
142787000
245148000
231000
2803000
2509000
2665000
0
11078000
2815000
95216000
354000
62977000
383000
22911000
8729000
19417000
5312000
25867000
98000
2370000
4378000
1962000
102361000
555000
492000
7145000
1826000
30633000
20246000
12030000
22058000
216111000
1023000
222882000
8417000
-4856000
483488000
6771000
12618000
2305000
3000
12716000
245148000
456000
208000
55502000
26188000
59000
1310000
5062000
9098000
1180000
4790000
767500
767500
1.25
1.00
0.0525
22500000
62500000
0.0525
1577000
2097000
-4856000
5312000
456000
5312000
456000
74000
19000
68000
295000
16000
2779000
8000
2503000
6000
95216000
141606000
8729000
-55502000
7145000
3836397
383000
2
464
5312000
456000
5312000
456000
0.0395
726000
6568000
1667027
4000000
2169370
0.10
3836397
138320000
263569000
144326000
246765000
65000
1509000
1913000
2309000
0
24615000
14317000
95309000
48459000
383000
23578000
8729000
19267000
3422000
24962000
98000
2449000
4180000
1890000
102439000
553000
524000
7130000
2378000
47170000
21269000
16294000
26631000
213001000
1232000
219975000
8438000
-3034000
476570000
6974000
16961000
3173000
4000
17059000
246765000
388000
159000
52123000
26241000
67000
941000
7073000
12941000
1268000
9141000
-3034000
3422000
388000
3422000
388000
44000
344000
1504000
4000
1910000
4000
95309000
138320000
8729000
-52123000
7130000
3836397
383000
3422000
388000
3422000
388000
0.0350
2021-02-15
2017-02-15
8700
20858
2020-06-26
7986
500000
4800000
87800
7.35
16627000
3035540
2283011
752529
9.77
20475000
25000
60000
605000
41602000
-227000
2577000
38672000
118000
42281000
22297000
451000
152000
1160000
1581000
28009000
200000
2804000
3761000
18866000
22297000
22297000
41676000
2982000
7938000
13667000
-871000
386000
27572000
46438000
4492000
19796000
1736000
22391000
181000
5712000
-38757000
5442000
7140000
2658000
8674000
1106000
60000
-78000
1491000
-149000
1313000
46400000
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 18pt">
<b>(8) Stock Options and Other Compensation:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
In May 1989, <font style="WHITE-SPACE: nowrap">non-statutory</font>
stock options were granted by the Company to four key executive
officers for the purchase of shares of common stock. At
March 31, 2018 and 2017, remaining options held by two key
executive officers on 767,500 shares were outstanding and
exercisable at prices ranging from $1.00 to $1.25. According to
their terms, the options have no expiration date.</p>
</div>
Q1
2018
10-Q
1.14
0000056868
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 18pt">
<b>(7) Contingent Liabilities:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
The Company, as managing general partner of the affiliated
Partnerships, is responsible for all Partnership activities,
including the drilling of development wells and the production and
sale of oil and gas from productive wells. The Company also
provides the administration, accounting and tax preparation work
for the Partnerships, and is liable for all debts and liabilities
of the affiliated Partnerships, to the extent that the assets of a
given limited Partnership are not sufficient to satisfy its
obligations.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
The Company is subject to environmental laws and regulations.
Management believes that future expenses, before recoveries from
third parties, if any, will not have a material effect on the
Company’s financial condition. This opinion is based on
expenses incurred to date for remediation and compliance with laws
and regulations, which have not been material to the
Company’s results of operations.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
From time to time, the Company is party to certain legal actions
arising in the ordinary course of business. While the outcome of
these events cannot be predicted with certainty, management does
not expect these matters to have a materially adverse effect on the
financial position or results of operations of the Company.</p>
</div>
-1585000
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 4%; MARGIN-TOP: 18pt">
<b><i>Recently Adopted Accounting Pronouncements</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
On January 1, 2018, PrimeEnergy adopted ASU <font style="WHITE-SPACE: nowrap">2014-09,</font> “Revenue from Contracts
with Customers (ASC 606),” using the modified retrospective
method. The Company elected to evaluate all contracts at the date
of initial application. While there was no impact to the opening
balance of retained earnings as a result of the adoption, certain
items previously netted in revenue are now recognized as lease
operating expense in the Company’s statement of consolidated
operations. The amounts are immaterial to the financial statements,
and prior comparative periods have not been restated and continue
to be reported under the accounting standards in effect for those
periods. Adoption of the new standard is not anticipated to have a
material impact on the Company’s net earnings on an ongoing
basis.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
The Company applies the provisions of ASC 606 for revenue
recognition to contracts with customers. Sales of crude oil,
natural gas, and natural gas liquids (NGLs) are included in revenue
when production is sold to a customer in fulfillment of performance
obligations under the terms of agreed contracts. Performance
obligations primarily comprise delivery of oil, gas, or NGLs at a
delivery point, as negotiated within each contract. Each barrel of
oil, million Btu (MMBtu) of natural gas, or other unit of measure
is separately identifiable and represents a distinct performance
obligation to which the transaction price is allocated. Performance
obligations are satisfied at a point in time once control of the
product has been transferred to the customer. The Company considers
a variety of facts and circumstances in assessing the point of
control transfer, including but not limited to: whether the
purchaser can direct the use of the hydrocarbons, the transfer of
significant risks and rewards, the Company’s right to
payment, and transfer of legal title. In each case, the term
between delivery and when payments are due is not significant.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt">
PrimeEnergy records trade accounts receivable for its unconditional
rights to consideration arising under sales contracts with
customers. The carrying value of such receivables, net of the
allowance for doubtful accounts, represents estimated net
realizable value. The Company routinely assesses the collectability
of all material trade and other receivables. The Company accrues a
reserve on a receivable when, based on the judgment of management,
it is probable that a receivable will not be collected and the
amount of any reserve may be reasonably estimated. PrimeEnergy has
concluded that the disaggregation of revenue by product
appropriately depicts how the nature, amount, timing, and
uncertainty of revenue and cash flows are affected by economic
factors.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 4%; MARGIN-TOP: 18pt">
<b><i>Practical Expedients and Exemptions</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
PrimeEnergy does not disclose the value of unsatisfied performance
obligations for contracts with an original expected length of one
year or less or contracts for which variable consideration is
allocated entirely to a wholly unsatisfied performance
obligation.</p>
<p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 </p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 0pt; TEXT-INDENT: 4%">
PrimeEnergy will utilize the practical expedient to expense
incremental costs of obtaining a contract if the expected
amortization period is one year or less. Costs to obtain a contract
with expected amortization periods of greater than one year will be
recorded as an asset and will be recognized in accordance with ASC
340, “Other Assets and Deferred Costs.” Currently, the
Company does not have contract assets related to incremental costs
to obtain a contract.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
In November 2016, the Financial Accounting Standards Board (FASB)
issued ASU <font style="WHITE-SPACE: nowrap">2016-18,</font>
“Statement of Cash Flows (Topic 230): Restricted Cash.”
ASU <font style="WHITE-SPACE: nowrap">2016-18</font> requires
amounts generally described as restricted cash and restricted cash
equivalents be included with cash and cash equivalents when
reconciling the total beginning and ending amounts for the periods
shown on the statement of cash flows. The guidance is effective for
annual and interim periods beginning after December 15, 2017,
and is required to be adopted using a retrospective approach, with
early adoption permitted. The Company adopted ASU <font style="WHITE-SPACE: nowrap">2016-18</font> in the first quarter of 2018,
and it did not have an impact on the Company’s consolidated
financial statements. As of March 31, 2018 and
December 31, 2017, the Company had no restricted
cash.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 18pt">
<b><i>New Pronouncements Issued But Not Yet Adopted</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
In February 2016, the Financial Accounting Standards Board (FASB)
issued ASU <font style="WHITE-SPACE: nowrap">2016-02,</font>
“Leases (Topic 842),” requiring lessees to recognize
lease assets and lease liabilities for most leases classified as
operating leases under previous GAAP. The guidance is effective for
fiscal years beginning after December 15, 2018. Early adoption
is permitted; however, the Company does not intend to early adopt.
In January 2018, the FASB issued a proposed ASU update that would
add a transition option permitting entities to apply the provisions
of the new standard at its adoption date instead of the earliest
comparative period presented in the consolidated financial
statements. If finalized, comparative reporting would not be
required and the provisions of the standard would be applied
prospectively to leases in effect at the date of adoption. In
the normal course of business, the Company enters into various
lease agreements for office space and equipment related to its
exploration and development activities that are currently accounted
for as operating leases. At this time, the Company cannot
reasonably estimate the financial impact this will have on its
consolidated financial statements; however, the Company believes
adoption and implementation of this ASU will not significantly
impact its balance sheet.</p>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The following fair value hierarchy table presents information about
the Company’s assets and liabilities measured at fair value
on a recurring basis at March 31, 2018 and December 31,
2017:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="92%" align="center" border="0">
<tr>
<td width="48%"></td>
<td valign="bottom" width="9%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="9%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="9%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="9%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom" nowrap="nowrap">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; WIDTH: 53.1pt; BORDER-BOTTOM: rgb(0,0,0) 1pt solid; MARGIN-TOP: 0pt; DISPLAY: inline">
<b>March 31, 2018</b></p>
</td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Quoted Prices in<br />
Active Markets<br />
For Identical<br />
Assets (Level 1)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Significant<br />
Other<br />
Observable<br />
Inputs (Level 2)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Significant<br />
Unobservable<br />
Inputs (Level 3)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Balance at<br />
March 31,<br />
2018</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Assets</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Commodity derivative contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total assets</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Liabilities</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Commodity derivative contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total liabilities</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 1pt">
<td height="16"></td>
<td height="16" colspan="4"></td>
<td height="16" colspan="4"></td>
<td height="16" colspan="4"></td>
<td height="16" colspan="4"></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom" nowrap="nowrap">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; WIDTH: 64.65pt; BORDER-BOTTOM: rgb(0,0,0) 1pt solid; MARGIN-TOP: 0pt; DISPLAY: inline">
<b>December 31, 2017</b></p>
</td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Quoted Prices in<br />
Active Markets<br />
For Identical<br />
Assets (Level 1)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Significant<br />
Other<br />
Observable<br />
Inputs (Level 2)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Significant<br />
Unobservable<br />
Inputs (Level 3)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Balance at<br />
December 31,<br />
2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Assets</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Commodity derivative contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total assets</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Liabilities</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Commodity derivative contract</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total liabilities</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<br class="Apple-interchange-newline" /></div>
PNRG
2893722
2142396
false
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
The future minimum lease payments for the rest of fiscal 2018 and
thereafter for the operating leases are as follows:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; MARGIN-TOP: 0pt">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="87%"></td>
<td valign="bottom" width="10%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center"><b>Operating<br />
Leases</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
2018</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">354</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
2019</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">172</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total minimum payments</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">526</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt">
(1) Basis of Presentation:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
The accompanying condensed consolidated financial statements of
PrimeEnergy Corporation (“PrimeEnergy” or the
“Company”) have not been audited by independent public
accountants. Pursuant to applicable Securities and Exchange
Commission (“SEC”) rules and regulations, the
accompanying interim financial statements do not include all
disclosures presented in annual financial statements and the reader
should refer to the Company’s Form <font style="WHITE-SPACE: nowrap">10-K</font> for the year ended
December 31, 2017. In the opinion of management, the
accompanying interim condensed consolidated financial statements
contain all material adjustments, consisting only of normal
recurring adjustments, necessary for a fair presentation of the
Company’s condensed consolidated balance sheets as of
March 31, 2018 and December 31, 2017, the condensed
consolidated results of operations, cash flows and equity for the
three months ended March 31, 2018 and 2017.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
As of March 31, 2018, PrimeEnergy’s significant
accounting policies are consistent with those discussed in Note
1—Description of Operations and Significant Accounting
Policies of its consolidated financial statements contained in
PrimeEnergy’s Annual Report on Form <font style="WHITE-SPACE: nowrap">10-K</font> for the fiscal year
ended December 31, 2017, with the exception of Accounting
Standards Update (ASU) <font style="WHITE-SPACE: nowrap">2014-09,</font> “Revenue from Contracts
with Customers (Topic 606)” discussed below. Certain amounts
presented in prior period financial statements have been
reclassified for consistency with current period presentation. The
results for interim periods are not necessarily indicative of
annual results. For purposes of disclosure in the condensed
consolidated financial statements, subsequent events have been
evaluated through the date the statements were issued.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 4%; MARGIN-TOP: 18pt">
<b><i>Recently Adopted Accounting Pronouncements</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
On January 1, 2018, PrimeEnergy adopted ASU <font style="WHITE-SPACE: nowrap">2014-09,</font> “Revenue from Contracts
with Customers (ASC 606),” using the modified retrospective
method. The Company elected to evaluate all contracts at the date
of initial application. While there was no impact to the opening
balance of retained earnings as a result of the adoption, certain
items previously netted in revenue are now recognized as lease
operating expense in the Company’s statement of consolidated
operations. The amounts are immaterial to the financial statements,
and prior comparative periods have not been restated and continue
to be reported under the accounting standards in effect for those
periods. Adoption of the new standard is not anticipated to have a
material impact on the Company’s net earnings on an ongoing
basis.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
The Company applies the provisions of ASC 606 for revenue
recognition to contracts with customers. Sales of crude oil,
natural gas, and natural gas liquids (NGLs) are included in revenue
when production is sold to a customer in fulfillment of performance
obligations under the terms of agreed contracts. Performance
obligations primarily comprise delivery of oil, gas, or NGLs at a
delivery point, as negotiated within each contract. Each barrel of
oil, million Btu (MMBtu) of natural gas, or other unit of measure
is separately identifiable and represents a distinct performance
obligation to which the transaction price is allocated. Performance
obligations are satisfied at a point in time once control of the
product has been transferred to the customer. The Company considers
a variety of facts and circumstances in assessing the point of
control transfer, including but not limited to: whether the
purchaser can direct the use of the hydrocarbons, the transfer of
significant risks and rewards, the Company’s right to
payment, and transfer of legal title. In each case, the term
between delivery and when payments are due is not significant.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt">
PrimeEnergy records trade accounts receivable for its unconditional
rights to consideration arising under sales contracts with
customers. The carrying value of such receivables, net of the
allowance for doubtful accounts, represents estimated net
realizable value. The Company routinely assesses the collectability
of all material trade and other receivables. The Company accrues a
reserve on a receivable when, based on the judgment of management,
it is probable that a receivable will not be collected and the
amount of any reserve may be reasonably estimated. PrimeEnergy has
concluded that the disaggregation of revenue by product
appropriately depicts how the nature, amount, timing, and
uncertainty of revenue and cash flows are affected by economic
factors.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 4%; MARGIN-TOP: 18pt">
<b><i>Practical Expedients and Exemptions</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
PrimeEnergy does not disclose the value of unsatisfied performance
obligations for contracts with an original expected length of one
year or less or contracts for which variable consideration is
allocated entirely to a wholly unsatisfied performance
obligation.</p>
<p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 </p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 0pt; TEXT-INDENT: 4%">
PrimeEnergy will utilize the practical expedient to expense
incremental costs of obtaining a contract if the expected
amortization period is one year or less. Costs to obtain a contract
with expected amortization periods of greater than one year will be
recorded as an asset and will be recognized in accordance with ASC
340, “Other Assets and Deferred Costs.” Currently, the
Company does not have contract assets related to incremental costs
to obtain a contract.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
In November 2016, the Financial Accounting Standards Board (FASB)
issued ASU <font style="WHITE-SPACE: nowrap">2016-18,</font>
“Statement of Cash Flows (Topic 230): Restricted Cash.”
ASU <font style="WHITE-SPACE: nowrap">2016-18</font> requires
amounts generally described as restricted cash and restricted cash
equivalents be included with cash and cash equivalents when
reconciling the total beginning and ending amounts for the periods
shown on the statement of cash flows. The guidance is effective for
annual and interim periods beginning after December 15, 2017,
and is required to be adopted using a retrospective approach, with
early adoption permitted. The Company adopted ASU <font style="WHITE-SPACE: nowrap">2016-18</font> in the first quarter of 2018,
and it did not have an impact on the Company’s consolidated
financial statements. As of March 31, 2018 and
December 31, 2017, the Company had no restricted
cash.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 18pt">
<b><i>New Pronouncements Issued But Not Yet Adopted</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
In February 2016, the Financial Accounting Standards Board (FASB)
issued ASU <font style="WHITE-SPACE: nowrap">2016-02,</font>
“Leases (Topic 842),” requiring lessees to recognize
lease assets and lease liabilities for most leases classified as
operating leases under previous GAAP. The guidance is effective for
fiscal years beginning after December 15, 2018. Early adoption
is permitted; however, the Company does not intend to early adopt.
In January 2018, the FASB issued a proposed ASU update that would
add a transition option permitting entities to apply the provisions
of the new standard at its adoption date instead of the earliest
comparative period presented in the consolidated financial
statements. If finalized, comparative reporting would not be
required and the provisions of the standard would be applied
prospectively to leases in effect at the date of adoption. In
the normal course of business, the Company enters into various
lease agreements for office space and equipment related to its
exploration and development activities that are currently accounted
for as operating leases. At this time, the Company cannot
reasonably estimate the financial impact this will have on its
consolidated financial statements; however, the Company believes
adoption and implementation of this ASU will not significantly
impact its balance sheet.</p>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
Property and equipment at March 31, 2018 and December 31,
2017 consisted of the following:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; MARGIN-TOP: 0pt">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="72%"></td>
<td valign="bottom" width="6%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="6%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center"><b>March 31,<br />
2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center"><b>December 31,<br />
2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Proved oil and gas properties, at cost</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">483,488</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">476,570</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Less: Accumulated depletion and depreciation</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(267,377</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(263,569</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Oil and Gas Properties, Net</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">216,111</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">213,001</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Field and office equipment</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">26,188</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">26,241</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Less: Accumulated depreciation</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(19,417</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(19,267</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Field and Office Equipment, Net</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">6,771</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">6,974</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total Property and Equipment, Net</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">222,882</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">219,975</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 0pt; TEXT-INDENT: 8%">
The following table sets forth the effect of derivative instruments
on the consolidated statements of operations for the three month
period ended March 31, 2018 and 2017:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; MARGIN-TOP: 0pt">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="84%" align="center" border="0">
<tr>
<td width="43%"></td>
<td valign="bottom" width="3%"></td>
<td width="38%"></td>
<td valign="bottom" width="3%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="3%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" rowspan="2" align="center">
<p style="MARGIN-BOTTOM: 1pt; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 0pt" align="center"><b>Location of gain (loss) recognized
in income</b></p>
</td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="6" align="center"><b>Amount of gain/loss<br />
recognized in income</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="bottom" nowrap="nowrap">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman; WIDTH: 72.75pt; BORDER-BOTTOM: #000000 1pt solid; MARGIN-TOP: 0pt; DISPLAY: inline">
<i>(Thousands of dollars)</i></p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center"><b>2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center"><b>2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Derivatives not designated as cash-flow hedge instruments:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Unrealized (loss) gain on derivative
instruments, net</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(79</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">1,313</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Unrealized (loss) gain on derivative
instruments, net</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(1,868</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,491</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquids contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Unrealized gain on derivative instruments,
net</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">126</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Realized (loss) on derivative instruments,
net</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(20</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(149</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Realized (loss) on derivative instruments,
net</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(478</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(78</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquids contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Realized gain on derivative instruments,
net</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">2</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(2,317</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,577</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
</table>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The following table sets forth the effect of derivative instruments
on the consolidated balance sheets at March 31, 2018 and
December 31, 2017:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="84%" align="center" border="0">
<tr>
<td width="40%"></td>
<td valign="bottom" width="5%"></td>
<td width="35%"></td>
<td valign="bottom" width="5%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="5%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="6" align="center"><b>Fair Value</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" align="center">
<p style="MARGIN-BOTTOM: 1pt; FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; MARGIN-TOP: 0pt" align="center"><b>Balance Sheet Location</b></p>
</td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>March 31,<br />
2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>December 31,<br />
2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
<b>Asset Derivatives:</b></p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Derivatives not designated as cash-flow hedging instruments:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Current Assets</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">295</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquid contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Current Assets</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">68</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Current Assets</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">344</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Assets</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">19</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">44</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquid contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Assets</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">74</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
<b>Liability Derivatives:</b></p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Derivatives not designated as cash-flow hedging instruments:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability short-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(2,779</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(1,504</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability short-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(8</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(4</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquid contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability short-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(16</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability long-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(2,503</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(1,910</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability long-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(6</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(4</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 7em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total derivative instruments</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(4,856</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,034</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<br class="Apple-interchange-newline" />
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The following reconciles amounts reported in the financial
statements:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
<tr>
<td width="53%"></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="22" align="center"><b>Three Months Ended
March 31,</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="10" align="center"><b>2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="10" align="center"><b>2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Net Income<br /></b>(In
000’s)</td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Weighted<br />
Average<br />
Number of<br />
Shares<br />
Outstanding</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Per Share<br />
Amount</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Net Income<br /></b>(In
000’s)</td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Weighted<br />
Average<br />
Number of<br />
Shares<br />
Outstanding</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Per Share<br />
Amount</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Basic</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">3,286</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">2,142,396</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">1.53</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">22,297</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">2,283,011</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">9.77</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Effect of dilutive securities:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Options</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">751,326</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">752,529</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Diluted</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">3,286</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">2,893,722</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">1.14</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">22,297</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">3,035,540</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">7.35</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
</table>
<br class="Apple-interchange-newline" />
</div>
67218
751326
--12-31
1.53
2018-03-31
Smaller Reporting Company
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt">
<b>(4) Property and Equipment:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
Property and equipment at March 31, 2018 and December 31,
2017 consisted of the following:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; MARGIN-TOP: 0pt">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="72%"></td>
<td valign="bottom" width="6%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="6%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center"><b>March 31,<br />
2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center"><b>December 31,<br />
2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Proved oil and gas properties, at cost</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">483,488</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">476,570</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Less: Accumulated depletion and depreciation</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(267,377</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(263,569</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Oil and Gas Properties, Net</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">216,111</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">213,001</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Field and office equipment</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">26,188</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">26,241</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Less: Accumulated depreciation</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(19,417</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(19,267</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Field and Office Equipment, Net</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">6,771</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">6,974</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total Property and Equipment, Net</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">222,882</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">219,975</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: #000000 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
A reconciliation of the liability for plugging and abandonment
costs for the three months ended March 31, 2018 is as
follows:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="88%"></td>
<td valign="bottom" width="5%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Asset retirement obligation – December 31, 2017</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">23,578</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Liabilities incurred</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Liabilities settled</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(947</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Accretion expense</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">280</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Asset retirement obligation – March 31, 2018</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">22,911</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<br class="Apple-interchange-newline" />
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
<b>(11) Earnings Per Share:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
Basic earnings per share are computed by dividing earnings
available to common stockholders by the weighted average number of
common shares outstanding during the period. Diluted earnings
per share reflect per share amounts that would have resulted if
dilutive potential common stock had been converted to common stock
in gain periods. The following reconciles amounts reported in
the financial statements:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
<tr>
<td width="53%"></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="2%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="22" align="center"><b>Three Months Ended
March 31,</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="10" align="center"><b>2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="10" align="center"><b>2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Net Income<br /></b>(In
000’s)</td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Weighted<br />
Average<br />
Number of<br />
Shares<br />
Outstanding</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Per Share<br />
Amount</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Net Income<br /></b>(In
000’s)</td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Weighted<br />
Average<br />
Number of<br />
Shares<br />
Outstanding</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Per Share<br />
Amount</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Basic</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">3,286</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">2,142,396</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">1.53</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">22,297</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">2,283,011</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">9.77</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Effect of dilutive securities:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Options</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">751,326</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">752,529</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Diluted</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">3,286</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">2,893,722</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">1.14</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">22,297</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">3,035,540</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">7.35</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
</table>
<br class="Apple-interchange-newline" /></div>
PRIMEENERGY CORP
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
<b>(10) Financial Instruments</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; MARGIN-LEFT: 75px; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
<b><i>Fair Value Measurements:</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
Authoritative guidance on fair value measurements defines fair
value, establishes a framework for measuring fair value and
stipulates the related disclosure requirements. The Company follows
a three-level hierarchy, prioritizing and defining the types of
inputs used to measure fair value. The fair values of the natural
gas, crude oil price swaps and natural gas liquid swaps are
designated as Level 3. The following fair value hierarchy
table presents information about the Company’s assets and
liabilities measured at fair value on a recurring basis at
March 31, 2018 and December 31, 2017:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="92%" align="center" border="0">
<tr>
<td width="48%"></td>
<td valign="bottom" width="9%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="9%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="9%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="9%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom" nowrap="nowrap">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; WIDTH: 53.1pt; BORDER-BOTTOM: rgb(0,0,0) 1pt solid; MARGIN-TOP: 0pt; DISPLAY: inline">
<b>March 31, 2018</b></p>
</td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Quoted Prices in<br />
Active Markets<br />
For Identical<br />
Assets (Level 1)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Significant<br />
Other<br />
Observable<br />
Inputs (Level 2)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Significant<br />
Unobservable<br />
Inputs (Level 3)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Balance at<br />
March 31,<br />
2018</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Assets</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Commodity derivative contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total assets</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Liabilities</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Commodity derivative contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total liabilities</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 1pt">
<td height="16"></td>
<td height="16" colspan="4"></td>
<td height="16" colspan="4"></td>
<td height="16" colspan="4"></td>
<td height="16" colspan="4"></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom" nowrap="nowrap">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; WIDTH: 64.65pt; BORDER-BOTTOM: rgb(0,0,0) 1pt solid; MARGIN-TOP: 0pt; DISPLAY: inline">
<b>December 31, 2017</b></p>
</td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Quoted Prices in<br />
Active Markets<br />
For Identical<br />
Assets (Level 1)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Significant<br />
Other<br />
Observable<br />
Inputs (Level 2)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Significant<br />
Unobservable<br />
Inputs (Level 3)</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Balance at<br />
December 31,<br />
2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Assets</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Commodity derivative contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total assets</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Liabilities</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Commodity derivative contract</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total liabilities</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The derivative contracts were measured based on quotes from the
Company’s counterparties. Such quotes have been derived using
valuation models that consider various inputs including current
market and contractual prices for the underlying instruments,
quoted forward prices for natural gas , crude oil, natural gas
liquids, volatility factors and interest rates, such as a LIBOR
curve for a similar length of time as the derivative contract term
as applicable. These estimates are verified using comparable NYMEX
futures contracts or are compared to multiple quotes obtained from
counterparties for reasonableness.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The significant unobservable inputs for Level 3 derivative
contracts include basis differentials and volatility factors. An
increase (decrease) in these unobservable inputs would result in an
increase (decrease) in fair value, respectively. The Company does
not have access to the specific assumptions used in its
counterparties’ valuation models. Consequently, additional
disclosures regarding significant Level 3 unobservable inputs
were not provided.</p>
<p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The following table sets forth a reconciliation of changes in the
fair value of financial assets and liabilities classified as
Level 3 in the fair value hierarchy for the three months ended
March 31, 2018.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="88%"></td>
<td valign="bottom" width="6%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Net Liabilities – December 31, 2017</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,034</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total realized and unrealized (gains) losses:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Included in earnings (a)</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(2,317</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Purchases, sales, issuances and settlements</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">495</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Net Liabilities – March 31, 2018</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(4,856</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 6pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="100%" border="0">
<tr style="break-inside: avoid">
<td valign="top" width="4%" align="left">a)</td>
<td valign="top" align="left">Derivative instruments are reported
in revenues as realized gain (loss) and on a separately reported
line item captioned unrealized gain (loss) on derivative
instruments.</td>
</tr>
</table>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; MARGIN-LEFT: 75px; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
<b><i>Derivative Instruments:</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The Company is exposed to commodity price and interest rate risk,
and management considers periodically the Company’s exposure
to cash flow variability resulting from the commodity price changes
and interest rate fluctuations. Futures, swaps and options are used
to manage the Company’s exposure to commodity price risk
inherent in the Company’s oil and gas production operations.
The Company does not apply hedge accounting to any of its commodity
based derivatives. Both realized and unrealized gains and losses
associated with commodity derivative instruments are recognized in
earnings.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
Interest rate swap derivatives are treated as cash-flow hedges and
are used to fix our floating interest rates on existing debt. The
value of interest rate swaps if applicable, would be recorded in
accumulated other comprehensive loss, net of tax. There are no
current interest rate swaps for the periods ending March 31,
2018 and December 31, 2017.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The following table sets forth the effect of derivative instruments
on the consolidated balance sheets at March 31, 2018 and
December 31, 2017:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="84%" align="center" border="0">
<tr>
<td width="40%"></td>
<td valign="bottom" width="5%"></td>
<td width="35%"></td>
<td valign="bottom" width="5%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="5%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="6" align="center"><b>Fair Value</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" align="center">
<p style="MARGIN-BOTTOM: 1pt; FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; MARGIN-TOP: 0pt" align="center"><b>Balance Sheet Location</b></p>
</td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>March 31,<br />
2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>December 31,<br />
2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
<b>Asset Derivatives:</b></p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Derivatives not designated as cash-flow hedging instruments:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Current Assets</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">295</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap">$</td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquid contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Current Assets</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">68</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Current Assets</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">344</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Assets</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">19</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">44</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquid contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" align="center">Other Assets</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">74</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">456</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">388</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
<b>Liability Derivatives:</b></p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Derivatives not designated as cash-flow hedging instruments:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability short-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(2,779</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(1,504</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability short-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(8</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(4</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquid contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability short-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(16</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability long-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(2,503</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(1,910</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Derivative liability long-term</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(6</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(4</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(5,312</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,422</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 7em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total derivative instruments</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(4,856</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,034</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 8%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The following table sets forth the effect of derivative instruments
on the consolidated statements of operations for the three month
period ended March 31, 2018 and 2017:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="84%" align="center" border="0">
<tr>
<td width="43%"></td>
<td valign="bottom" width="3%"></td>
<td width="38%"></td>
<td valign="bottom" width="3%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="3%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" rowspan="2" align="center">
<p style="MARGIN-BOTTOM: 1pt; FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; MARGIN-TOP: 0pt" align="center"><b>Location of gain (loss) recognized
in income</b></p>
</td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="6" align="center"><b>Amount of gain/loss<br />
recognized in income</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom" nowrap="nowrap">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; WIDTH: 72.75pt; BORDER-BOTTOM: rgb(0,0,0) 1pt solid; MARGIN-TOP: 0pt; DISPLAY: inline">
<i>(Thousands of dollars)</i></p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Derivatives not designated as cash-flow hedge instruments:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Unrealized (loss) gain on derivative
instruments, net</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(79</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">1,313</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Unrealized (loss) gain on derivative
instruments, net</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(1,868</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,491</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquids contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Unrealized gain on derivative instruments,
net</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">126</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Realized (loss) on derivative instruments,
net</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(20</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(149</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Crude oil commodity contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Realized (loss) on derivative instruments,
net</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(478</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(78</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Natural gas liquids contracts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">Realized gain on derivative instruments,
net</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">2</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(2,317</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,577</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
</table>
<br class="Apple-interchange-newline" /></div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The following table sets forth a reconciliation of changes in the
fair value of financial assets and liabilities classified as
Level 3 in the fair value hierarchy for the three months ended
March 31, 2018.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="88%"></td>
<td valign="bottom" width="6%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Net Liabilities – December 31, 2017</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(3,034</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total realized and unrealized (gains) losses:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Included in earnings (a)</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(2,317</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Purchases, sales, issuances and settlements</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">495</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Net Liabilities – March 31, 2018</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">(4,856</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 6pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="100%" border="0">
<tr style="break-inside: avoid">
<td valign="top" width="4%" align="left">a)</td>
<td valign="top" align="left">Derivative instruments are reported
in revenues as realized gain (loss) and on a separately reported
line item captioned unrealized gain (loss) on derivative
instruments.</td>
</tr>
</table>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 0pt">
<b>(5) Long-Term Debt:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 2%; MARGIN-TOP: 6pt">
<b><i>Bank Debt:</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
On February 15, 2017, the Company and its lenders entered into
a Third Amended and Restated Credit Agreement (the “2017
Credit Agreement”) with a maturity date of February 15,
2021. The Second Amended and Restated Credit Agreement and
subsequent amendments were amended and restated by the 2017 Credit
Agreement. Pursuant to the terms and conditions of the 2017 Credit
Agreement, the Company has a revolving line of credit and letter of
credit facility of up to $300 million subject to a borrowing
base that is determined semi-annually by the lenders based upon the
Company’s financial statements and the estimated value of the
Company’s oil and gas properties, in accordance with the
Lenders’ customary practices for oil and gas loans. The
credit facility is secured by substantially all of the
Company’s oil and gas properties. The 2017 Credit Agreement
includes terms and covenants that require the Company to maintain a
minimum current ratio, total indebtedness to EBITDAX (earnings
before depreciation, depletion, amortization, taxes, interest
expense and exploration costs) ratio and interest coverage ratio,
as defined, and restrictions are placed on the payment of
dividends, the amount of treasury stock the Company may purchase,
commodity hedge agreements, and loans and investments in its
consolidated subsidiaries and limited partnerships.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
On December 22, 2017, the Company and its lenders entered into
a First Amendment to the Third Amended and Restated Credit
Agreement. The credit agreement includes the addition of a new
lender and retains all other aspects of the original credit
agreement. As of the effective date of this amendment the
Company’s borrowing base was increased to
$85 million.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
At March 31, 2018, the Company had a total of
$62.5 million of borrowings outstanding under its revolving
credit facility at a weighted-average interest rate of 5.25% and
$22.5 million available for future borrowings. The combined
weighted average interest rate paid on outstanding bank borrowings
subject to base rate and LIBO interest was 5.25% for the quarter
ended March 31, 2018 as compared to 5.32% for quarter ended
March 31, 2017. The Company’s borrowings under this
credit facility approximates fair value because the interest rates
are variable and reflective of market rates.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 2%; MARGIN-TOP: 18pt">
<b><i>Equipment Loans:</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
On July 31, 2013, the Company entered into a
$10.0 million Loan and Security Agreement with JP Morgan Chase
Bank (“Equipment Loan”). The Equipment Loan is secured
by a portion of the Company’s field service equipment,
carries an interest rate of 3.95% per annum, requires monthly
payments (principal and interest) of $184,000, and has a final
maturity date of July 31, 2018. As of March 31, 2018 the
Company had a total of $726 thousand outstanding on this
Equipment Loan.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
On July 29, 2014, the Company entered into additional
equipment financing facilities (“Additional Equipment
Loans”) totaling $6.0 million with JP Morgan Chase Bank.
In August 2014, the Company drew down $4.8 million of this
facility that is secured by field service equipment, carries an
interest rate of 3.40% per annum, requires monthly payments
(principal and interest) of $87,800, and has a final maturity date
of July 31, 2019. The remaining $1.2 million under the
Additional Equipment Loans was available for interim draws to
finance the acquisition of any future field service equipment. In
December 2014, the Company made an interim draw of an additional
$0.5 million on this facility that is secured by recently
purchased field service equipment. Interim draws on this facility
carried a floating interest rate; payable monthly at the LIBO
published rate plus 2.50% and on June 26, 2015 converted into
a fixed term loan, with a rate of 3.50% and requiring monthly
payments (principal and interest) of $8,700 with a final maturity
date of June 26, 2020. As of March 31, 2018, the Company
had a total of $1.577 million outstanding on the Additional
Equipment Loans.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
On January 12, 2018, the Company made a principal payment
towards the third interim loan in the amount of $20,858. Effective
with the payment due of January 26, 2018 the required monthly
payments (principal and interest) on this loan changed to $7,986
with a continuing effective rate of 3.50% and a final maturity of
June 26, 2020.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
The Company determined these loans are Level 3 liabilities in
the fair-value hierarchy and estimated their fair value as
$2.097 million and $5.5 million at March 31, 2018
and 2017, respectively, using a discounted cash flow model.</p>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 18pt">
<b>(2) Acquisitions and Dispositions:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
Historically the Company has repurchased the interests of the
partners and trust unit holders in the oil and gas limited
partnerships (the “Partnerships”) and the asset and
business income trusts (the “Trusts”) managed by the
Company as general partner and as managing trustee, respectively.
The Company purchased interests in totaling $60,000 for the three
months ended March 31, 2017. No such repurchases took place
during the three months ended March 31, 2018.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
During the first quarter of 2018 and 2017, the Company sold or
farmed out interests in certain <font style="WHITE-SPACE: nowrap">non-core</font> oil and natural gas
properties and undeveloped acreage through a number of separate,
individually negotiated transactions in exchange for cash or cash
and a royalty or working interest in Texas, Oklahoma, Kansas and
Colorado. Proceeds under these agreements were $2.8 million
and $46.4 million, respectively.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt">
During the first quarter of 2018, the Company completed two
transactions acquiring 464 net mineral acres, 53 oil and gas wells
with working interests ranging from 16.6% to 33.4% and one
commercial salt water disposal well operated by the Company, all
located in Reagan County, Texas, for $6,080,000</p>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 0pt">
<b>(9) Related Party Transactions:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 6pt; TEXT-INDENT: 4%">
The Company, as managing general partner or managing trustee, makes
an annual offer to repurchase the interests of the partners and
trust unit holders in certain of the Partnerships or Trusts. The
Company purchased interests totaling $60,000 for the three months
ended March 31, 2017. No such repurchases took place during
the three months ended March 31, 2018.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
Receivables from related parties consist of reimbursable general
and administrative costs, lease operating expenses and
reimbursement for property development and related costs. These
receivables are due from joint venture partners, which may include
members of the Company’s Board of Directors.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman; MARGIN-TOP: 12pt; TEXT-INDENT: 4%">
Payables owed to related parties primarily represent receipts
collected by the Company as agent for the joint venture partners,
which may include members of the Company’s Board of
Directors, for oil and gas sales net of expenses.</p>
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
Certain balance sheet amounts are comprised of the following:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="72%"></td>
<td valign="bottom" width="7%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="7%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>March 31,<br />
2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>December 31,<br />
2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
<u>Accounts Receivable</u>:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Joint interest billing</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,305</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">3,173</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Trade receivables</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,310</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">941</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Oil and gas sales</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">9,098</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">12,941</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Other</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">3</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">4</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top"></td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">12,716</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">17,059</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Less: Allowance for doubtful accounts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(98</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(98</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">12,618</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">16,961</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Accounts Payable:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Trade</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,815</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">14,317</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Royalty and other owners</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">5,062</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">7,073</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Partner advances</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,180</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,268</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Prepaid drilling deposits</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">59</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">67</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Other</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,962</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,890</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">11,078</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">24,615</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
<u>Accrued Liabilities</u>:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Compensation and related expenses</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,370</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,449</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Property costs</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">4,790</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">9,141</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Income Tax</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">4,378</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">4,180</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Other</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">492</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">524</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">12,030</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">16,294</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<br class="Apple-interchange-newline" />
</div>
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
<b>(3) Additional Balance Sheet Information:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
Certain balance sheet amounts are comprised of the following:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="72%"></td>
<td valign="bottom" width="7%"></td>
<td></td>
<td></td>
<td></td>
<td valign="bottom" width="7%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>March 31,<br />
2018</b></td>
<td valign="bottom"> </td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>December 31,<br />
2017</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
<u>Accounts Receivable</u>:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Joint interest billing</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,305</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">3,173</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Trade receivables</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,310</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">941</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Oil and gas sales</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">9,098</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">12,941</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Other</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">3</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">4</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top"></td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">12,716</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">17,059</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Less: Allowance for doubtful accounts</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(98</td>
<td valign="bottom" nowrap="nowrap">) </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(98</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">12,618</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">16,961</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Accounts Payable:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Trade</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,815</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">14,317</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Royalty and other owners</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">5,062</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">7,073</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Partner advances</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,180</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,268</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Prepaid drilling deposits</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">59</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">67</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Other</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,962</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">1,890</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">11,078</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">24,615</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
<u>Accrued Liabilities</u>:</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom"></td>
<td valign="bottom"></td>
<td valign="bottom"></td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Compensation and related expenses</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,370</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">2,449</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Property costs</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">4,790</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">9,141</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Income Tax</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">4,378</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">4,180</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Other</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">492</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">524</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 5em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">12,030</td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">16,294</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<br class="Apple-interchange-newline" /></div>
28467000
3379000
-862000
2472000
-495000
-2317000
13439000
0
5251000
3286000
772000
-243000
-4343000
0
1504000
3301000
11000
5000
-1821000
4215000
10734000
3286000
3286000
14000
4400000
947000
3210000
7923000
1099000
-13537000
166000
-8918000
27300000
1816000
905000
280000
25688000
5976000
-4264000
147000
15000
10482000
3379000
-21000
8579000
<div>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
<b>(6) Other Long-Term Obligations and Commitments:</b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; MARGIN-LEFT: 37px; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
<b><i>Operating Leases:</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The Company has several <font style="WHITE-SPACE: nowrap">non-cancelable</font> operating
leases, primarily for rental of office space, that have a term of
more than one year. The future minimum lease payments for the rest
of fiscal 2018 and thereafter for the operating leases are as
follows:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="87%"></td>
<td valign="bottom" width="10%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td style="BORDER-BOTTOM: rgb(0,0,0) 1pt solid" valign="bottom" colspan="2" align="center"><b>Operating<br />
Leases</b></td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
2018</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">354</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
2019</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">172</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Total minimum payments</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">526</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
Rent expense for office space for the three months ended
March 31, 2018 and 2017 was $147,000 and $181,000,
respectively.</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; MARGIN-LEFT: 37px; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
<b><i>Asset Retirement Obligation:</i></b></p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
A reconciliation of the liability for plugging and abandonment
costs for the three months ended March 31, 2018 is as
follows:</p>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 </p>
<table style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="68%" align="center" border="0">
<tr>
<td width="88%"></td>
<td valign="bottom" width="5%"></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="FONT-SIZE: 8pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="bottom"><i>(Thousands of dollars)</i></td>
<td valign="bottom">  </td>
<td valign="bottom" colspan="2"> </td>
<td valign="bottom"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Asset retirement obligation – December 31, 2017</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">23,578</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Liabilities incurred</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom" nowrap="nowrap"> </td>
<td valign="bottom" nowrap="nowrap" align="right">
—  </td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Liabilities settled</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">(947</td>
<td valign="bottom" nowrap="nowrap">) </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 3em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Accretion expense</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom"> </td>
<td valign="bottom" align="right">280</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 1px solid; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
<tr style="FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; break-inside: avoid" bgcolor="#CCEEFF">
<td valign="top">
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; MARGIN-LEFT: 1em; MARGIN-TOP: 0pt; TEXT-INDENT: -1em">
Asset retirement obligation – March 31, 2018</p>
</td>
<td valign="bottom">  </td>
<td valign="bottom">$</td>
<td valign="bottom" align="right">22,911</td>
<td valign="bottom" nowrap="nowrap"> </td>
</tr>
<tr style="FONT-SIZE: 1px">
<td valign="bottom"></td>
<td valign="bottom">  </td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td valign="bottom">
<p style="MARGIN-BOTTOM: 0pt; BORDER-TOP: rgb(0,0,0) 3px double; MARGIN-TOP: 0pt">
 </p>
</td>
<td> </td>
</tr>
</table>
<p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12pt; LETTER-SPACING: normal; TEXT-INDENT: 4%; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
The Company’s liability is determined using significant
assumptions, including current estimates of plugging and
abandonment costs, annual inflation of these costs, the productive
life of wells and a risk-adjusted interest rate. Changes in any of
these assumptions can result in significant revisions to the
estimated asset retirement obligation. Revisions to the asset
retirement obligation are recorded with an offsetting change to
producing properties, resulting in prospective changes to
depreciation, depletion and amortization expense and accretion of
discount. Because of the subjectivity of assumptions and the
relatively long life of most of the Company’s wells, the
costs to ultimately retire the wells may vary significantly from
previous estimates.</p>
</div>
Term of more than one year
0.0350
2020-06-26
Interim draws on this facility carried a floating interest rate, payable monthly at the LIBO published rate plus 2.50% and on June 26, 2015 converted into a fixed term loan, with a rate of 3.50% and requiring monthly payments
Discounted cash flow model
2019-07-31
0.0250
-2317000
495000
2363000
20101000
2600000
0
2000
126000
-478000
-1868000
-20000
-79000
67218
3286000
3379000
3286000
0
0
0
67218
0
3379000
15000
0
0
0
6080000
53
1
0.334
0.166
2800000
2018-07-31
184000
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Derivative instruments are reported in revenues as realized gain (loss) and on a separately reported line item captioned unrealized gain (loss) on derivative instruments.