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        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><a name="FIS_UNIDENTIFIED_TABLE"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>As
          filed with the Securities and Exchange Commission on June 21 ,
          2006</strong></font></a></div>
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          No. 333-</font></div>
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        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"><strong>UNITED
          STATES</strong></font></div>
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          AND EXCHANGE COMMISSION</strong></font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Washington,
          D.C. 20549</strong></font></div>
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          STATEMENT UNDER THE SECURITIES ACT OF 1933</strong></font></div>
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          CORPORATION</strong></font></div>
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                    Employer Identification No.)</font></div>
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                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>7130
                    South Lewis, Suite 1000</strong></font></div>
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                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Tulsa,
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                    of Principal Executive Offices)</font></div>
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                    E. Schell</strong></font></div>
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              <tr>
                <td valign="top" width="40%">
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                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
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                <td width="1%" style="border-bottom: black thin solid;">&#160;</td>
                <td width="35%" style="border-bottom: black thin solid;">&#160;</td>
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                <td width="1%" style="border-bottom: black thin solid;">&#160;</td>
                <td width="1%" style="border-bottom: black thin solid;">&#160;</td>
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                <td width="1%" style="border-bottom: black thin solid;">&#160;</td>
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                <td valign="middle" width="1%" style="border-bottom: black thin solid;">&#160;</td>
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        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
        <div align="center">
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                <td width="94%">
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                    Registration Statement covers 2,500,000 shares available for
                    issuance
                    under the Unit Corporation Stock and Incentive Compensation Plan.
                    This
                    Registration Statement shall also cover any additional shares
                    of Common
                    Stock that become issuable under the plan, by reason of any stock
                    dividend, stock split, recapitalization or other similar transaction
                    that
                    results in an increase in the number of the outstanding shares
                    of Common
                    Stock of the Registrant. Included in the 2,500,000 shares registered
                    under
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                <td width="2%">&#160;</td>
                <td width="94%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(2)</font></div>
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                <td width="94%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Calculated
                    solely for purposes of this offering under Rule 457(h) of the
                    Securities
                    Act of 1933, as amended, on the basis of the average of the high
                    and low
                    selling prices per share of Common Stock of the Registrant on
                    June 20,
                    2006, as reported on the New York Stock Exchange.</font></div>
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              </tr>
              <tr bgcolor="white">
                <td width="4%">&#160;</td>
                <td width="2%">&#160;</td>
                <td width="94%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(3)</font></div>
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                <td width="2%">&#160;</td>
                <td width="94%">&#160;

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                    Registration Statement also covers preferred share purchase rights
                    under
                    the registrant&#8217;s Stockholder&#8217;s Rights Plan, which are attached to and
                    tradeable only with the shares of Common Stock registered hereby.
                    No
                    registration fees are required for such shares and such rights
                    because
                    they will be issued for no additional consideration.</font></div>
                </td>
              </tr>
              <tr bgcolor="white">
                <td width="4%">&#160;</td>
                <td width="2%">&#160;</td>
                <td width="94%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(4)</font></div>
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                <td width="2%">&#160;</td>
                <td width="94%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Includes
                    shares of restricted Common Stock and shares of Common Stock
                    issued in
                    respect of restricted stock units, stock options, stock appreciation
                    rights, performance shares, performance units and other awards,
                    in each
                    case, issuable pursuant to the Unit Corporation Stock and Incentive
                    Compensation Plan.</font></div>
                </td>
              </tr>
              <tr bgcolor="white">
                <td valign="top" width="4%" style="border-bottom: black thin solid;">&#160;</td>
                <td width="2%" style="border-bottom: black thin solid;">&#160;</td>
                <td width="94%" style="border-bottom: black thin solid;">&#160;</td>
              </tr>

          </table>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div><br>
        <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
          <div id="FTR">
            <div id="GLFTR" style="WIDTH: 100%" align="left">
            </div>
          </div>
          <div id="PN" style="PAGE-BREAK-AFTER: always">
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
          </div>
          <div id="HDR">
            <div id="GLHDR" style="WIDTH: 100%" align="right">
            </div>
          </div>
        </div><br>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><a name="Y12835SV8_HTM_TOC"/><a name="eolPage3"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong><u>TABLE
          OF CONTENTS</u></strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
        <div>
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" colspan="2" valign="top" width="64%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">PART
                    I</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">1</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" colspan="2" valign="top" width="64%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">PART
                    II</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">1</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="5%">&#160;</td>
                <td align="justify" valign="top" width="58%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
                    3. Incorporation of Documents by Reference</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">1</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="5%">&#160;</td>
                <td align="justify" valign="top" width="58%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
                    4. Description of Securities</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">1</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="5%">&#160;</td>
                <td align="justify" valign="top" width="58%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
                    5. Interests of Named Experts and Counsel</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">1</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="5%">&#160;</td>
                <td align="justify" valign="top" width="58%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
                    6. Indemnification of Directors and Officers.</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">1</font></div>
                </td>
              </tr>
              <tr>
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                <td align="justify" valign="top" width="58%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
                    7. Exemption from Registration Claimed</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">2</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="5%">&#160;</td>
                <td align="justify" valign="top" width="58%">
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                    8. Exhibits</font></div>
                </td>
                <td align="left" valign="top" width="4%">
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                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="5%">&#160;</td>
                <td align="justify" valign="top" width="58%">
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                    9. Undertakings</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">3</font></div>
                </td>
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              <tr>
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                </td>
                <td align="left" valign="top" width="4%">
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                </td>
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              <tr>
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                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">EXHIBIT
                    INDEX</font></div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">6</font></div>
                </td>
              </tr>
              <tr>
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                    OPINION AND CONSENT OF MARK E. SCHELL, ESQ.</font></div>
                </td>
                <td align="left" valign="top" width="4%">&#160;</td>
              </tr>
              <tr>
                <td align="left" colspan="2" valign="top" width="64%">
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                    CONSENT OF PRICEWATERHOUSECOOPERS LLP</font></div>
                </td>
                <td align="left" valign="top" width="4%">&#160;</td>
              </tr>
              <tr>
                <td align="left" colspan="2" valign="top" width="64%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">EX-23.2:
                    CONSENT OF MARK E. SCHELL, ESQ.</font></div>
                </td>
                <td align="left" valign="top" width="4%">&#160;</td>
              </tr>

          </table>
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        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
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            </div>
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            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
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          <div id="HDR">
            <div id="GLHDR" style="WIDTH: 100%" align="right">
            </div>
          </div>
        </div><br>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>PART
          I</strong></font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>INFORMATION
          REQUIRED IN THE SECTION 10(A) PROSPECTUS</strong></font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
          documents containing the information specified in Part I of Form S-8 have
          previously been, or will be, sent or given to Plan participants as specified
          by
          Rule 428(b)(1) of the Securities Act of 1933, as amended. Such documents
          are not
          required to be and are not filed with the Securities and Exchange Commission
          (the &#8220;Commission&#8221;) either as part of this Registration Statement or as
          prospectuses or prospectus supplements pursuant to Rule 424. These documents
          and
          the documents incorporated by reference in this Registration Statement
          pursuant
          to Item 3 of Part II of this Form S-8, taken together, constitute a prospectus
          that meets the requirements of Section 10(a) of the Securities Act of
          1933.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><a name="Y12835SV8_HTM_001"/><a name="FIS_PART_II"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>PART
          II</strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>INFORMATION
          REQUIRED IN THE REGISTRATION STATEMENT</strong></font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><a name="Y12835SV8_HTM_002"/><a name="FIS_DOCUMENTS_BY_REFERENCE"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
          3. Incorporation of Documents by Reference</strong></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.</font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
          following documents filed with the Commission by Unit Corporation, a Delaware
          corporation (the &#8220;Company&#8221; or the &#8220;Registrant&#8221;), are incorporated by reference
          herein:</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
        <div>
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" valign="top" width="3%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(a)</font></div>
                </td>
                <td align="left" valign="top" width="1%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="80%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">the
                    Company&#8217;s Annual Report on Form 10-K for the fiscal year ended December
                    31, 2005, filed with the Commission on March 13, 2006;</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="middle" width="3%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" colspan="2" valign="top" width="81%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="3%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(b)</font></div>
                </td>
                <td align="left" valign="top" width="1%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="80%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">the
                    Company&#8217;s Quarterly Report on Form 10-Q for the fiscal quarter ended
                    March
                    31, 2006, filed with the Commission on May 5, 2006;</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="middle" width="3%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" colspan="2" valign="top" width="81%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="3%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(c)</font></div>
                </td>
                <td align="left" valign="top" width="1%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="80%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">the
                    Current Reports on Form 8-K, filed with the Commission on February
                    22,
                    2006; April 18, 2006; April 26, 2006; and May 9, 2006;
                    and</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="middle" width="3%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" colspan="2" valign="top" width="81%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="3%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(d)</font></div>
                </td>
                <td align="left" valign="top" width="1%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="80%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">the
                    description of the Registrant&#8217;s common stock set forth in the Registrant&#8217;s
                    Registration Statement on Amended Form 8-B, dated October 7,
                    1986, filed
                    with the Commission.</font></div>
                </td>
              </tr>

          </table>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">All
          documents filed by the Registrant pursuant to Sections 13(a), 13(c), 14
          and
          15(d) of the Securities Exchange Act of 1934, subsequent to the effective
          date
          of this Registration Statement, prior to the filing of a post-effective
          amendment to this Registration Statement indicating that all securities
          offered
          hereby have been sold or deregistering all securities then remaining unsold,
          shall be deemed to be incorporated by reference herein and to be part hereof
          from the date of filing of such documents. Any statement contained in any
          document incorporated or deemed to be incorporated by reference herein
          shall be
          deemed to be modified or superseded for purposes of this Registration Statement
          to the extent that a statement in any other subsequently filed document
          which
          also is or is deemed to be incorporated by reference herein modifies or
          supersedes such statement. Any such statement so modified or superseded
          shall
          not be deemed to constitute a part of this Registration Statement, except
          as so
          modified or superseded.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><a name="Y12835SV8_HTM_003"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
          4. Description of Securities</strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Not
          applicable.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><a name="Y12835SV8_HTM_004"/><a name="FIS_EXPERTS"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
          5. Interests of Named Experts and Counsel.</strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Mark
          E.
          Schell, General Counsel of Unit Corporation, as our counsel, will issue
          an
          opinion for us regarding the validity of the shares of common stock offered
          by
          this Registration Statement. Mark E. Schell beneficially owns 41,457 shares
          of
          our common stock.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><a name="FIS_INDEMNIFICATION"/><a name="Y12835SV8_HTM_005"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
          6. Indemnification of Directors and Officers.</strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Article
          4
          of our by-laws provides for indemnification of any person who is, or is
          threatened to be made, a witness in or a party to any proceeding by reason
          of
          his or her position as a director, officer, or employee, to the extent
          authorized by applicable law including, but not limited to, the Delaware
          General
          Corporation Law. Under Section 145 of</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
        <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
          <div id="FTR">
            <div id="GLFTR" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">1</font></div>
          </div>
          <div id="PN" style="PAGE-BREAK-AFTER: always">
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
          </div>
          <div id="HDR">
            <div id="GLHDR" style="WIDTH: 100%" align="right">
            </div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">the
            Delaware General Corporation Law, a corporation generally has the power
            to
            indemnify its present and former directors, officers, employees and agents
            against expenses and liabilities incurred by them in connection with
            any suit to
            which they are, or are threatened to be made, a party by reason of their
            serving
            in such positions so long as they acted in good faith and in a manner
            they
            reasonably believed to be in, or not opposed to, the best interests of
            the
            corporation, and with respect to any criminal action, they had no reasonable
            cause to believe their conduct was unlawful. With respect to suits by
            or in the
            right of a corporation, however, indemnification is generally limited
            to
            attorney's fees and other expenses and is not available if such person
            is
            adjudged to be liable to the corporation unless the court determines
            that
            indemnification is appropriate. In addition, a corporation has the power
            to
            purchase and maintain insurance for such persons. Article 4 of our by-laws
            also
            expressly provides that the power to indemnify authorized thereby is
            not
            exclusive of any rights granted to present and former directors, officers,
            employees and agents, under any bylaw, agreement, vote of stockholders
            or
            disinterested directors, or otherwise. </font></div>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Article
          Nine of our charter eliminates in certain circumstances the monetary liability
          of our directors for a breach of their fiduciary duty as directors. These
          provisions do not eliminate the liability of a director </font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;
          </font></div>
        <div>
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" valign="top" width="2%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.
                    </font></div>
                </td>
                <td align="left" valign="top" width="51%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">for
                    a breach of the director's duty of loyalty to us or to our stockholders;
                    </font></div>
                </td>
                <td align="left" valign="middle" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;
                    </font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="2%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.
                    </font></div>
                </td>
                <td align="left" colspan="2" valign="top" width="75%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">for
                    acts or omissions not in good faith or which involve intentional
                    misconduct or knowing violation of law; </font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="2%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.
                    </font></div>
                </td>
                <td align="left" colspan="2" valign="top" width="75%"><font size="2">under
                  Section
                  174 of the Delaware General Corporation Law (relating to the declaration
                  of dividends and purchase</font></td>
              </tr>
              <tr>
                <td align="left" valign="top" width="2%">&#160;</td>
                <td align="left" colspan="2" valign="top" width="75%"><font size="2">or
                  redemption
                  of shares in violation of the Delaware General Corporation Law);
                  or
                  </font></td>
              </tr>
              <tr>
                <td align="left" valign="top" width="2%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.
                    </font></div>
                </td>
                <td align="left" colspan="2" valign="top" width="75%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">for
                    transactions from which the director derived an improper personal
                    benefit.
                    </font></div>
                </td>
              </tr>

          </table>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">We
          have
          purchased directors and officer's liability insurance that would indemnify
          our
          directors and officers against damages arising out of certain kinds of
          claims
          that might be made against them based on their negligent acts or omissions
          while
          acting in their capacity as such. </font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Our
          policy is to enter into separate indemnification agreements with each of
          our
          directors and executive officers that provide the maximum indemnity allowed
          to
          directors and executive officers by Section&#160;145 of the Delaware General
          Corporation Law and which allow for certain additional procedural protections.
          </font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
          above
          discussion of our charter, by-laws, indemnification agreements and of Section
          145 of the Delaware General Corporation Law is not exhaustive and is qualified
          in its entirety by our charter, our by-laws and statute.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><a name="eolPage6"/><a name="FIS_UNIDENTIFIED_TABLE_4"/><a name="Y12835SV8_HTM_006"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
          7. Exemption from Registration Claimed.</strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Not
          applicable.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><a name="Y12835SV8_HTM_007"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
          8. Exhibits.</strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div>
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" valign="bottom" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="bottom" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="bottom" width="8%" style="border-bottom: black thin solid;">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Exhibit
                    No.</strong></font></div>
                </td>
                <td align="left" valign="bottom" width="70%" style="border-bottom: black thin solid;">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Description</strong></font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">4</font></div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Instruments
                    Defining Rights of Stockholders. Description of the Registrant&#8217;s common
                    stock set forth in the Registrant&#8217;s Registration Statement on Amended Form
                    8-B, dated October 7, 1986, filed with the Commission, is incorporated
                    herein by reference.</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">5</font></div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Opinion
                    and consent of Mark E. Schell, Esq.*</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">23.1</font></div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Consent
                    of PricewaterhouseCoopers LLP.*</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">&#160;</td>
                <td align="left" valign="top" width="70%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">23.2</font></div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Consent
                    of Mark E. Schell, Esq. (included in Exhibit 5).*</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">24</font></div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Power
                    of Attorney (included on signature page).*</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="70%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>

          </table>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 472.3pt" align="left">&#160;</div>
        <div>
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" valign="top" width="96%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">*
                    Filed herewith.</font></div>
                </td>
              </tr>

          </table>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">2</font></div>
        <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
          <div id="FTR">
            <div id="GLFTR" style="WIDTH: 100%" align="left">
            </div>
          </div>
          <div id="PN" style="PAGE-BREAK-AFTER: always">
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
          </div>
          <div id="HDR">
            <div id="GLHDR" style="WIDTH: 100%" align="right">
            </div>
          </div>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><a name="Y12835SV8_HTM_008"/><a name="FIS_UNDERTAKINGS"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
          9. Undertakings.</strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(a)
          The
          undersigned Registrant hereby undertakes:</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(1)
          To
          file, during any period in which offers or sales are being made, a
          post-effective amendment to this Registration Statement:</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 54pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(i)
          to
          include any prospectus required by Section 10(a)(3) of the Securities Act
          of
          1933;</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 54pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(ii)
          to
          reflect in the prospectus any facts or events arising after the effective
          date
          of the Registration Statement (or the most recent post-effective amendment
          thereof) which, individually or in the aggregate, represent a fundamental
          change
          in the information set forth in the Registration Statement. Notwithstanding
          the
          foregoing, any increase or decrease in volume of securities offered (if
          the
          total dollar value of securities offered would not exceed that which was
          registered) and any deviation from the low or high end of the estimated
          maximum
          offering range may be reflected in the form of prospectus filed with the
          Commission pursuant to Rule 424(b) if, in the aggregate, the changes in
          volume
          and price represent no more than a 20&#160;percent change in the maximum
          aggregate offering price set forth in the &#8220;Calculation of Registration Fee&#8221;
table in the effective Registration Statement;</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 54pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(iii)
          to
          include any material information with respect to the plan of distribution
          not
          previously disclosed in the Registration Statement or any material change
          to
          such information in the Registration Statement.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><em>Provided,
          however,</em></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
          that
          paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the Registration Statement
          is on Form S-3, Form S-8 or Form F-3, and the information required to be
          included in a post-effective amendment by those paragraphs is contained
          in
          periodic reports filed with or</font><a name="eolPage7"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
          furnished to the Commission by the Registrant pursuant to Section&#160;13 or
          Section 15(d) of the Securities Exchange Act of 1934 that are incorporated
          by
          reference in the Registration Statement.</font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(2)
          That,
          for the purpose of determining any liability under the Securities Act of
          1933,
          each such post-effective amendment shall be deemed to be a new Registration
          Statement relating to the securities offered therein, and the offering
          of such
          securities at that time shall be deemed to be the initial </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><em>bona
          fide</em></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
          offering
          thereof.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(3)
          To
          remove from registration by means of a post-effective amendment any of
          the
          securities being registered which remain unsold at the termination of the
          offering.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(b)
          The
          undersigned Registrant hereby undertakes that, for purposes of determining
          any
          liability under the Securities Act of 1933, each filing of the Registrant&#8217;s
          annual report pursuant to Section 13(a) or 15(d) of the Securities Exchange
          Act
          of 1934 (and, where applicable, each filing of an employee benefit plan&#8217;s annual
          report pursuant to Section 15(d) of the Securities Exchange Act of 1934)
          that is
          incorporated by reference in the Registration Statement shall be deemed
          to be a
          new Registration Statement relating to the securities offered therein,
          and the
          offering of such securities at that time shall be deemed to be the initial
          </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><em>bona
          fide</em></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
          offering
          thereof.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(h)
          Insofar as indemnification for liabilities arising under the Securities
          Act of
          1933 may be permitted to directors, officers and controlling persons of
          the
          Registrant pursuant to the foregoing provisions, or otherwise, the Registrant
          has been advised that in the opinion of the Commission such indemnification
          is
          against public policy as expressed in the Securities Act of 1933 and is,
          therefore, unenforceable. In the event that a claim for indemnification
          against
          such liabilities (other than the payment by the Registrant of expenses
          incurred
          or paid by a director, officer or controlling person of the Registrant
          in the
          successful defense of any action, suit or proceeding) is asserted by such
          director, officer or controlling person in connection with the securities
          being
          registered, the Registrant will, unless in the opinion of its counsel the
          matter
          has been settled by controlling precedent, submit to a court of appropriate
          jurisdiction the question whether such indemnification by it is against
          public
          policy as expressed in the Securities Act of 1933 and will be governed
          by the
          final adjudication of such issue.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div><br>
        <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
          <div id="FTR">
            <div id="GLFTR" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">3</font></div>
          </div>
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            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
            <div style="WIDTH: 100%; TEXT-ALIGN: center">
            </div>
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          <div id="HDR">
            <div id="GLHDR" style="WIDTH: 100%" align="right">
            </div>
          </div>
        </div><br>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>SIGNATURES</strong></font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
          to the requirements of the Securities Act of 1933, the Registrant certifies
          that
          it has reasonable grounds to believe that it meets all of the requirements
          for
          filing on Form S-8 and has duly caused this Registration Statement to be
          signed
          on its behalf by the undersigned, thereunto duly authorized, in the City
          of
          Tulsa, State of Oklahoma on this 20th </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">day
          of
          June, 2006.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div>
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" valign="middle" width="35%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="middle" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="middle" width="7%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="middle" width="27%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="35%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" colspan="3" valign="middle" width="37%">
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                    CORPORATION</strong></font></div>
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 2.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="middle" width="35%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">By:&#160;&#160;</font></div>
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                    Mark E. Schell&#160;</u></font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="middle" width="35%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="middle" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="7%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Name:&#160;&#160;</font></div>
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                <td align="left" valign="middle" width="27%">
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              </tr>
              <tr>
                <td align="left" valign="middle" width="35%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="middle" width="4%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="7%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Title:&#160;&#160;</font></div>
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                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Senior
                    Vice President and</font></div>
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                </td>
              </tr>

          </table>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><a name="FIS_POWER_OF_ATTORNEY"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>POWER
          OF ATTORNEY</strong></font></a></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">KNOW
          ALL
          PERSONS BY THESE PRESENTS, that each person whose signature appears below
          hereby
          constitute and appoint Mark E. Schell, such person&#8217;s true and lawful
          attorney-in-fact and agent, with full power of substitution and resubstitution,
          for and in such person&#8217;s name, place and stead, in the capacities indicated
          below, to sign a Registration Statement on Form S-8 of Unit Corporation
          and any
          and all amendments (including post-effective amendments) thereto, and to
          file or
          cause to be filed the same, with all exhibits thereto, and other documents
          in
          connection therewith, with the Securities and Exchange Commission, granting
          unto
          said attorney-in-fact and agent, full power and authority to do and perform
          each
          and every act and thing requisite and necessary to be done in connection
          therewith, as fully to all intents and purposes as such person might, or
          could,
          do in person, hereby ratifying and confirming all that said attorney-in-fact
          and
          agent, or his substitute or substitutes, may lawfully do or cause to be
          done by
          virtue hereof.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
          to the requirements of the Securities Act of 1933, this Registration Statement
          has been signed by the following persons in the capacities and on the date
          indicated.</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
        <div>
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Name</font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Title</font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>/s/
                    John G. Nikkel</u></font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160;&#160;
<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Chairman
                    of the Board</font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;&#160;&#160;&#160;&#160;&#160;&#160;
                    June 20, 2006</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">John
                    G. Nikkel</font></div>
                </td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;&#160;&#160;&#160;&#160; <font size="2">President
                  and Chief </font></td>
                <td valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Executive
                    Officer</font></div>
                </td>
                <td valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>/s/
                    Larry D. Pinkston</u></font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Principal
                    Executive Officer)</font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;&#160;&#160;&#160;&#160;
<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">June
                    20, 2006</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Larry
                    D. Pinkston</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font></div>
                </td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Chief
                    Financial Officer and Treasurer</font></div>
                </td>
                <td valign="top" width="24%">
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>/s/
                    David T. Merrill</u></font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Principal
                    Financial Officer)</font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">June
                    20, 2006</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">David
                    T. Merrill</font></div>
                </td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Controller</font></div>
                </td>
                <td valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">June
                    20, 2006</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="bottom" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>/s/
                    Stanley W. Belitz</u></font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Principal
                    Accounting Officer)</font></div>
                </td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Stanley
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                </td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>

          </table>
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        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
        <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
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            <div id="GLFTR" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">4</font></div>
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            <div id="GLHDR" style="WIDTH: 100%" align="right">
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        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>s/
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                </td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Director</font></div>
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                <td valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">June
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                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">J.
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                </td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>/s/
                    Don Cook</u></font></div>
                </td>
                <td align="left" valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Director</font></div>
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                <td valign="top" width="24%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">June
                    20, 2006</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Don
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                </td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
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              <tr>
                <td align="left" valign="top" width="22%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
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                    Gary R. Christopher</u></font></div>
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              </tr>
              <tr>
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                <td align="left" valign="top" width="24%">&#160;</td>
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              <tr>
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                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
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                <td align="left" valign="top" width="24%">&#160;</td>
                <td align="left" valign="top" width="24%">&#160;</td>
              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
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                <td align="left" valign="top" width="24%">
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                    20, 2006</font></div>
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              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
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              <tr>
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              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
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              <tr>
                <td align="left" valign="top" width="22%">__________________&#160;</td>
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                    20, 2006</font></div>
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              </tr>
              <tr>
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                <td align="left" valign="top" width="24%">&#160;</td>
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              <tr>
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              </tr>
              <tr>
                <td align="left" valign="top" width="22%">
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              <tr>
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        <div>&#160;</div>
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            </div>
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        <div>
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td align="left" valign="bottom" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="bottom" width="71%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="bottom" width="8%" style="border-bottom: black thin solid;">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Exhibit
                    No.</strong></font></div>
                </td>
                <td align="left" valign="bottom" width="71%" style="border-bottom: black thin solid;">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Description</strong></font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">4</font></div>
                </td>
                <td align="left" valign="top" width="71%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Instruments
                    Defining Rights of Stockholders. Description of the Registrant&#8217;s common
                    stock set forth in the Registrant&#8217;s Registration Statement on Amended Form
                    8-B, dated October 7, 1986, filed with the Commission, is incorporated
                    herein by reference.</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="71%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">5</font></div>
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                    and consent of Mark E. Schell, Esq.*</font></div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
                <td align="left" valign="top" width="71%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left">&#160;</div>
                </td>
              </tr>
              <tr>
                <td align="left" valign="top" width="8%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0.8pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">23.1</font></div>
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              <tr>
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                <td align="left" valign="top" width="71%">&#160;</td>
              </tr>
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                <td align="left" valign="top" width="71%">&#160;</td>
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[{"type": "S-8", "sequence": "1", "filename": "s806212006.htm", "description": "FORM S-8", "secsgml_size_bytes": 145401}]
{"company-data": {"conformed-name": "UNIT CORP", "cik": "0000798949", "assigned-sic": "1311", "irs-number": "731283193", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-135194", "film-number": "06917702"}, "business-address": {"street1": "1000 KENSINGTON TOWER", "street2": "7130 SO LEWIS STE 1000", "city": "TULSA", "state": "OK", "zip": "74136", "phone": "9184937700"}, "mail-address": {"street1": "1000 KENSINGTON TOWER", "street2": "7130 SO LEWIS STE 1000", "city": "TULSA", "state": "OK", "zip": "74136"}}
Unassociated Document
As
          filed with the Securities and Exchange Commission on June 21 ,
          2006
Registration
          No. 333-
UNITED
          STATES
SECURITIES
          AND EXCHANGE COMMISSION
Washington,
          D.C. 20549
_________________________
FORM
          S-8
REGISTRATION
          STATEMENT UNDER THE SECURITIES ACT OF 1933
____________________________
UNIT
          CORPORATION
(Exact
          Name of Registrant as Specified in Its Charter)
Delaware
73-1283193
(State
                    or Other Jurisdiction of
(I.R.S.
                    Employer Identification No.)
Incorporation
                    or Organization)
7130
                    South Lewis, Suite 1000
Tulsa,
                    Oklahoma
74136
(Address
                    of Principal Executive Offices)
(Zip
                    Code)
_____________________________
Unit
          Corporation Stock and Incentive Compensation Plan
(Full
          Title of the Plan)
_____________________________
Mark
                    E. Schell
Copy
                    to:
Senior
                    Vice President and General Counsel
Unit
                    Corporation
Robert
                    J. Melgaard, Esq.
7130
                    South Lewis, Suite 1000
Conner
                    & Winters, LLP
Tulsa,
                    Oklahoma 74136
4000
                    One Williams Center
(Name
                    and Address of Agent for Service)
Tulsa,
                    Oklahoma 74172-0148
(918)
                    586 -8973
(918) 493-7700
(Telephone
                    Number, Including Area Code, of Agent For
Service)
_____________________________
CALCULATION
          OF REGISTRATION FEE
Proposed
Proposed
Maximum
Maximum
Amount
Offering
Aggregate
Amount
                    of
Title
                    Of Each Class Of Securities
To
                    Be
Price
                    Per
Offering
Registration
To
                    Be Registered
Registered
(1)
Share
Price
Fee
Common
                    Stock, par value $0.20 per share(3)(4)
2,500,000
$
                    51.70
(2)
$ 129,250,000
(2)
$13,829.75
(1)
This
                    Registration Statement covers 2,500,000 shares available for
                    issuance
                    under the Unit Corporation Stock and Incentive Compensation Plan.
                    This
                    Registration Statement shall also cover any additional shares
                    of Common
                    Stock that become issuable under the plan, by reason of any stock
                    dividend, stock split, recapitalization or other similar transaction
                    that
                    results in an increase in the number of the outstanding shares
                    of Common
                    Stock of the Registrant. Included in the 2,500,000 shares registered
                    under
                    this Registration Statement are 1,167,116 shares which were reserved
                    but
                    not issued under the Registrant's
Amended
                    and Restated Stock Option Plan and Employee Bonus Plan
.
                    No further awards will be made under the Amended and Restated
                    Stock Option
                    Plan or the Employee Bonus Plan.
(2)
Calculated
                    solely for purposes of this offering under Rule 457(h) of the
                    Securities
                    Act of 1933, as amended, on the basis of the average of the high
                    and low
                    selling prices per share of Common Stock of the Registrant on
                    June 20,
                    2006, as reported on the New York Stock Exchange.
(3)
This
                    Registration Statement also covers preferred share purchase rights
                    under
                    the registrant's Stockholder's Rights Plan, which are attached to and
                    tradeable only with the shares of Common Stock registered hereby.
                    No
                    registration fees are required for such shares and such rights
                    because
                    they will be issued for no additional consideration.
(4)
Includes
                    shares of restricted Common Stock and shares of Common Stock
                    issued in
                    respect of restricted stock units, stock options, stock appreciation
                    rights, performance shares, performance units and other awards,
                    in each
                    case, issuable pursuant to the Unit Corporation Stock and Incentive
                    Compensation Plan.
TABLE
          OF CONTENTS
PART
                    I
1
PART
                    II
1
Item
                    3. Incorporation of Documents by Reference
1
Item
                    4. Description of Securities
1
Item
                    5. Interests of Named Experts and Counsel
1
Item
                    6. Indemnification of Directors and Officers.
1
Item
                    7. Exemption from Registration Claimed
2
Item
                    8. Exhibits
2
Item
                    9. Undertakings
3
SIGNATURES
4
EXHIBIT
                    INDEX
6
EX-5:
                    OPINION AND CONSENT OF MARK E. SCHELL, ESQ.
EX-23.1:
                    CONSENT OF PRICEWATERHOUSECOOPERS LLP
EX-23.2:
                    CONSENT OF MARK E. SCHELL, ESQ.
PART
          I
INFORMATION
          REQUIRED IN THE SECTION 10(A) PROSPECTUS
The
          documents containing the information specified in Part I of Form S-8 have
          previously been, or will be, sent or given to Plan participants as specified
          by
          Rule 428(b)(1) of the Securities Act of 1933, as amended. Such documents
          are not
          required to be and are not filed with the Securities and Exchange Commission
          (the "Commission") either as part of this Registration Statement or as
          prospectuses or prospectus supplements pursuant to Rule 424. These documents
          and
          the documents incorporated by reference in this Registration Statement
          pursuant
          to Item 3 of Part II of this Form S-8, taken together, constitute a prospectus
          that meets the requirements of Section 10(a) of the Securities Act of
          1933.
PART
          II
INFORMATION
          REQUIRED IN THE REGISTRATION STATEMENT
Item
          3. Incorporation of Documents by Reference
.
The
          following documents filed with the Commission by Unit Corporation, a Delaware
          corporation (the "Company" or the "Registrant"), are incorporated by reference
          herein:
(a)
the
                    Company's Annual Report on Form 10-K for the fiscal year ended December
                    31, 2005, filed with the Commission on March 13, 2006;
(b)
the
                    Company's Quarterly Report on Form 10-Q for the fiscal quarter ended
                    March
                    31, 2006, filed with the Commission on May 5, 2006;
(c)
the
                    Current Reports on Form 8-K, filed with the Commission on February
                    22,
                    2006; April 18, 2006; April 26, 2006; and May 9, 2006;
                    and
(d)
the
                    description of the Registrant's common stock set forth in the Registrant's
                    Registration Statement on Amended Form 8-B, dated October 7,
                    1986, filed
                    with the Commission.
All
          documents filed by the Registrant pursuant to Sections 13(a), 13(c), 14
          and
          15(d) of the Securities Exchange Act of 1934, subsequent to the effective
          date
          of this Registration Statement, prior to the filing of a post-effective
          amendment to this Registration Statement indicating that all securities
          offered
          hereby have been sold or deregistering all securities then remaining unsold,
          shall be deemed to be incorporated by reference herein and to be part hereof
          from the date of filing of such documents. Any statement contained in any
          document incorporated or deemed to be incorporated by reference herein
          shall be
          deemed to be modified or superseded for purposes of this Registration Statement
          to the extent that a statement in any other subsequently filed document
          which
          also is or is deemed to be incorporated by reference herein modifies or
          supersedes such statement. Any such statement so modified or superseded
          shall
          not be deemed to constitute a part of this Registration Statement, except
          as so
          modified or superseded.
Item
          4. Description of Securities
Not
          applicable.
Item
          5. Interests of Named Experts and Counsel.
Mark
          E.
          Schell, General Counsel of Unit Corporation, as our counsel, will issue
          an
          opinion for us regarding the validity of the shares of common stock offered
          by
          this Registration Statement. Mark E. Schell beneficially owns 41,457 shares
          of
          our common stock.
Item
          6. Indemnification of Directors and Officers.
Article
          4
          of our by-laws provides for indemnification of any person who is, or is
          threatened to be made, a witness in or a party to any proceeding by reason
          of
          his or her position as a director, officer, or employee, to the extent
          authorized by applicable law including, but not limited to, the Delaware
          General
          Corporation Law. Under Section 145 of
1
the
            Delaware General Corporation Law, a corporation generally has the power
            to
            indemnify its present and former directors, officers, employees and agents
            against expenses and liabilities incurred by them in connection with
            any suit to
            which they are, or are threatened to be made, a party by reason of their
            serving
            in such positions so long as they acted in good faith and in a manner
            they
            reasonably believed to be in, or not opposed to, the best interests of
            the
            corporation, and with respect to any criminal action, they had no reasonable
            cause to believe their conduct was unlawful. With respect to suits by
            or in the
            right of a corporation, however, indemnification is generally limited
            to
            attorney's fees and other expenses and is not available if such person
            is
            adjudged to be liable to the corporation unless the court determines
            that
            indemnification is appropriate. In addition, a corporation has the power
            to
            purchase and maintain insurance for such persons. Article 4 of our by-laws
            also
            expressly provides that the power to indemnify authorized thereby is
            not
            exclusive of any rights granted to present and former directors, officers,
            employees and agents, under any bylaw, agreement, vote of stockholders
            or
            disinterested directors, or otherwise.
Article
          Nine of our charter eliminates in certain circumstances the monetary liability
          of our directors for a breach of their fiduciary duty as directors. These
          provisions do not eliminate the liability of a director
.
for
                    a breach of the director's duty of loyalty to us or to our stockholders;
.
for
                    acts or omissions not in good faith or which involve intentional
                    misconduct or knowing violation of law;
.
under
                  Section
                  174 of the Delaware General Corporation Law (relating to the declaration
                  of dividends and purchase
or
                  redemption
                  of shares in violation of the Delaware General Corporation Law);
                  or
.
for
                    transactions from which the director derived an improper personal
                    benefit.
We
          have
          purchased directors and officer's liability insurance that would indemnify
          our
          directors and officers against damages arising out of certain kinds of
          claims
          that might be made against them based on their negligent acts or omissions
          while
          acting in their capacity as such.
Our
          policy is to enter into separate indemnification agreements with each of
          our
          directors and executive officers that provide the maximum indemnity allowed
          to
          directors and executive officers by Section 145 of the Delaware General
          Corporation Law and which allow for certain additional procedural protections.
The
          above
          discussion of our charter, by-laws, indemnification agreements and of Section
          145 of the Delaware General Corporation Law is not exhaustive and is qualified
          in its entirety by our charter, our by-laws and statute.
Item
          7. Exemption from Registration Claimed.
Not
          applicable.
Item
          8. Exhibits.
Exhibit
                    No.
Description
4
Instruments
                    Defining Rights of Stockholders. Description of the Registrant's common
                    stock set forth in the Registrant's Registration Statement on Amended Form
                    8-B, dated October 7, 1986, filed with the Commission, is incorporated
                    herein by reference.
5
Opinion
                    and consent of Mark E. Schell, Esq.*
23.1
Consent
                    of PricewaterhouseCoopers LLP.*
23.2
Consent
                    of Mark E. Schell, Esq. (included in Exhibit 5).*
24
Power
                    of Attorney (included on signature page).*
*
                    Filed herewith.
2
Item
          9. Undertakings.
(a)
          The
          undersigned Registrant hereby undertakes:
(1)
          To
          file, during any period in which offers or sales are being made, a
          post-effective amendment to this Registration Statement:
(i)
          to
          include any prospectus required by Section 10(a)(3) of the Securities Act
          of
          1933;
(ii)
          to
          reflect in the prospectus any facts or events arising after the effective
          date
          of the Registration Statement (or the most recent post-effective amendment
          thereof) which, individually or in the aggregate, represent a fundamental
          change
          in the information set forth in the Registration Statement. Notwithstanding
          the
          foregoing, any increase or decrease in volume of securities offered (if
          the
          total dollar value of securities offered would not exceed that which was
          registered) and any deviation from the low or high end of the estimated
          maximum
          offering range may be reflected in the form of prospectus filed with the
          Commission pursuant to Rule 424(b) if, in the aggregate, the changes in
          volume
          and price represent no more than a 20 percent change in the maximum
          aggregate offering price set forth in the "Calculation of Registration Fee"
table in the effective Registration Statement;
(iii)
          to
          include any material information with respect to the plan of distribution
          not
          previously disclosed in the Registration Statement or any material change
          to
          such information in the Registration Statement.
Provided,
          however,
that
          paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the Registration Statement
          is on Form S-3, Form S-8 or Form F-3, and the information required to be
          included in a post-effective amendment by those paragraphs is contained
          in
          periodic reports filed with or
furnished to the Commission by the Registrant pursuant to Section 13 or
          Section 15(d) of the Securities Exchange Act of 1934 that are incorporated
          by
          reference in the Registration Statement.
(2)
          That,
          for the purpose of determining any liability under the Securities Act of
          1933,
          each such post-effective amendment shall be deemed to be a new Registration
          Statement relating to the securities offered therein, and the offering
          of such
          securities at that time shall be deemed to be the initial
bona
          fide
offering
          thereof.
(3)
          To
          remove from registration by means of a post-effective amendment any of
          the
          securities being registered which remain unsold at the termination of the
          offering.
(b)
          The
          undersigned Registrant hereby undertakes that, for purposes of determining
          any
          liability under the Securities Act of 1933, each filing of the Registrant's
          annual report pursuant to Section 13(a) or 15(d) of the Securities Exchange
          Act
          of 1934 (and, where applicable, each filing of an employee benefit plan's annual
          report pursuant to Section 15(d) of the Securities Exchange Act of 1934)
          that is
          incorporated by reference in the Registration Statement shall be deemed
          to be a
          new Registration Statement relating to the securities offered therein,
          and the
          offering of such securities at that time shall be deemed to be the initial
bona
          fide
offering
          thereof.
(h)
          Insofar as indemnification for liabilities arising under the Securities
          Act of
          1933 may be permitted to directors, officers and controlling persons of
          the
          Registrant pursuant to the foregoing provisions, or otherwise, the Registrant
          has been advised that in the opinion of the Commission such indemnification
          is
          against public policy as expressed in the Securities Act of 1933 and is,
          therefore, unenforceable. In the event that a claim for indemnification
          against
          such liabilities (other than the payment by the Registrant of expenses
          incurred
          or paid by a director, officer or controlling person of the Registrant
          in the
          successful defense of any action, suit or proceeding) is asserted by such
          director, officer or controlling person in connection with the securities
          being
          registered, the Registrant will, unless in the opinion of its counsel the
          matter
          has been settled by controlling precedent, submit to a court of appropriate
          jurisdiction the question whether such indemnification by it is against
          public
          policy as expressed in the Securities Act of 1933 and will be governed
          by the
          final adjudication of such issue.
3
SIGNATURES
Pursuant
          to the requirements of the Securities Act of 1933, the Registrant certifies
          that
          it has reasonable grounds to believe that it meets all of the requirements
          for
          filing on Form S-8 and has duly caused this Registration Statement to be
          signed
          on its behalf by the undersigned, thereunto duly authorized, in the City
          of
          Tulsa, State of Oklahoma on this 20th
day
          of
          June, 2006.
UNIT
                    CORPORATION
By:
/s/
                    Mark E. Schell
Name:
Mark
                    E. Schell
Title:
Senior
                    Vice President and
General
                    Counsel
POWER
          OF ATTORNEY
KNOW
          ALL
          PERSONS BY THESE PRESENTS, that each person whose signature appears below
          hereby
          constitute and appoint Mark E. Schell, such person's true and lawful
          attorney-in-fact and agent, with full power of substitution and resubstitution,
          for and in such person's name, place and stead, in the capacities indicated
          below, to sign a Registration Statement on Form S-8 of Unit Corporation
          and any
          and all amendments (including post-effective amendments) thereto, and to
          file or
          cause to be filed the same, with all exhibits thereto, and other documents
          in
          connection therewith, with the Securities and Exchange Commission, granting
          unto
          said attorney-in-fact and agent, full power and authority to do and perform
          each
          and every act and thing requisite and necessary to be done in connection
          therewith, as fully to all intents and purposes as such person might, or
          could,
          do in person, hereby ratifying and confirming all that said attorney-in-fact
          and
          agent, or his substitute or substitutes, may lawfully do or cause to be
          done by
          virtue hereof.
Pursuant
          to the requirements of the Securities Act of 1933, this Registration Statement
          has been signed by the following persons in the capacities and on the date
          indicated.
Name
Title
Date
/s/
                    John G. Nikkel
Chairman
                    of the Board
June 20, 2006
John
                    G. Nikkel
President
                  and Chief
Executive
                    Officer
/s/
                    Larry D. Pinkston
(Principal
                    Executive Officer)
June
                    20, 2006
Larry
                    D. Pinkston
Chief
                    Financial Officer and Treasurer
/s/
                    David T. Merrill
(Principal
                    Financial Officer)
June
                    20, 2006
David
                    T. Merrill
Controller
June
                    20, 2006
/s/
                    Stanley W. Belitz
(Principal
                    Accounting Officer)
Stanley
                    W. Belitz
4
s/
                    J. Michael Adcock
Director
June
                    20, 2006
J.
                    Michael Adcock
/s/
                    Don Cook
Director
June
                    20, 2006
Don
                    Cook
/s/
                    Gary R. Christopher
Director
June
                    20, 2006
Gary
                    R. Christopher
/s/
                      King P. Kirchner
Director
June
                    20, 2006
King
                    P. Kirchner
/s/
                    William B. Morgan
Director
June
                    20, 2006
William
                    B. Morgan
__________________
Director
June
                    20, 2006
Robert
                    J. Sullivan, Jr.
__________________
Director
June
                    20, 2006
John
                    H. Williams
5
EXHIBIT
          INDEX
Exhibit
                    No.
Description
4
Instruments
                    Defining Rights of Stockholders. Description of the Registrant's common
                    stock set forth in the Registrant's Registration Statement on Amended Form
                    8-B, dated October 7, 1986, filed with the Commission, is incorporated
                    herein by reference.
5
Opinion
                    and consent of Mark E. Schell, Esq.*
23.1
Consent
                    of PricewaterhouseCoopers LLP*
23.2
Consent
                    of Mark E. Schell, Esq. (included in Exhibit 5).*
24
Power
                    of Attorney (included on signature
                    page).*
*
Filed
                    herewith.
6