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<p style=' margin-bottom:12pt; margin-top:0pt;text-align:center;'><font size=2>As filed with the Securities and Exchange Commission on July 21, 2006.</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:right;margin-top:0pt;margin-bottom:0pt'><font size=2>Registration No. 333-________</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:right;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>UNITED STATES</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>SECURITIES AND EXCHANGE COMMISSION</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>WASHINGTON, DC 20549</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>______________________</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:6pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>FORM S-8</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>REGISTRATION STATEMENT</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>UNDER</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>THE SECURITIES ACT OF 1933</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>CHESAPEAKE ENERGY CORPORATION</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>(Exact name of registrant as specified in its charter)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Oklahoma</font></b></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(State or Other Jurisdiction of</font><br> <font size=2>Incorporation or Organization)</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="319" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>73-1395733</font></b></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(I.R.S. Employer Identification No.)</font></p> </td> </tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>6100 North Western Avenue</font></b></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Oklahoma City, Oklahoma</font></b><br> <font size=2>(Address of Principal Executive Offices)</font></p> </td>
        <td width="319" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>73118</font></b><br> <font size=2>(Zip Code)</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>CHESAPEAKE ENERGY CORPORATION AMENDED AND RESTATED </font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>LONG TERM INCENTIVE PLAN</font></B></p>

<p style=' margin-bottom:12pt; margin-top:0pt;text-align:center;'><font size=2>(Full Title of the Plan)</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:64.8%'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:78.0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Aubrey K. McClendon</font></b></p>
<p style='margin-left:0pt;text-indent:67.5pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Chairman of the Board and</font></b></p>
<p style='margin-left:0pt;text-indent:76.5pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Chief Executive Officer</font></b></p>
<p style='margin-left:0pt;text-indent:57.0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Chesapeake Energy Corporation</font></b></p>
<p style='margin-left:0pt;text-indent:66.0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>6100 North Western Avenue</font></b></p>
<p
style='margin-left:0pt;text-indent:54.75pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Oklahoma City, Oklahoma 73118</font></b></p>
<p style='margin-left:0pt;text-indent:42.0pt;text-align:left;margin-top:0pt;margin-bottom:2.9pt'><font size=2>(Name and Address of Agent For Service)</font></p> </td>
        <td width="282" valign=top style='padding:0in 6.0pt 0in 6.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:64.8%'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:78.75pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><i><font size=2>Copies to</font></i><font size=2>:</font></p>
<p style='margin-left:0pt;text-indent:49.5pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Connie S. Stamets, Esq.</font></b></p>
<p style='margin-left:0pt;text-indent:27.75pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Winstead Sechrest &amp; Minick P.C.</font></b></p>
<p style='margin-left:0pt;text-indent:47.25pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>5400 Renaissance Tower</font></b></p>
<p style='margin-left:0pt;text-indent:66.0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>1201 Elm Street</font></b></p>
<p
style='margin-left:0pt;text-indent:57.0pt;text-align:left;margin-top:0pt;margin-bottom:2.9pt'><b><font size=2>Dallas, Texas 75270</font></b></p> </td> </tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>(405) 848-8000</font></b></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Telephone Number, Including Area Code,</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>of Agent for Service)</font></p> </td>
        <td width="282" valign=top style='padding:0in 6.0pt 0in 6.0pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:64.8%'><font size=1>&nbsp;</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:1.5in;text-align:left;'><b><font size=2> </font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font SIZE=2>CALCULATION OF REGISTRATION FEE</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Title of Each Class of</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:.95pt'><font size=1>Securities To Be Registered</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Amount</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>To Be</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:.95pt'><font size=1>Registered<sup>(1)</sup></font></p> </td>
        <td width="132" valign=top style='border-top:double black 2.55pt; border-left:none;border-bottom:solid black 1.0pt;border-right:solid white 1.0pt;   padding:0in 6.35pt 0in 6.35pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Proposed</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Maximum</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Offering Price</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:.95pt'><font size=1>Per Share</font></p> </td>
        <td width="132" valign=top style='border-top:double black 2.55pt; border-left:none;border-bottom:solid black 1.0pt;border-right:solid black 1.0pt;  padding:0in 6.35pt 0in 6.35pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Proposed</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Maximum</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Aggregate</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:.95pt'><font size=1>Offering Price<sup>(2)</sup></font></p> </td>
        <td width="126" valign=top style='border-top:double black 4.5pt; border-left:none;border-bottom:solid black 1.0pt;border-right:none; padding:0in 6.35pt 0in 6.35pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>Amount of</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:.95pt'><font size=1>Registration Fee<sup>(2)</sup></font></p> </td> </tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:2.9pt'><font size=1>Common Stock, $.01 par value per share</font></p> </td>
        <td width="102" valign=top style='border-top:none;border-left: none;border-bottom:double black 2.55pt;border-right:solid white 1.0pt;    padding:0in 6.35pt 0in 6.35pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>4,000,000</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:2.9pt'><font size=1>&nbsp;</font></p> </td>
        <td width="132" valign=top style='border-top:none;border-left: none;border-bottom:double black 2.55pt;border-right:solid white 1.0pt;    padding:0in 6.35pt 0in 6.35pt'>
            <p style='margin-left:0pt;text-indent:26.25pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>$29.08 (2)</font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:2.9pt'><font size=1>&nbsp;</font></p> </td>
        <td width="132" valign=top style='border-top:none;border-left: none;border-bottom:double black 2.55pt;border-right:solid black 1.0pt;  padding:0in 6.35pt 0in 6.35pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>$116,320,000 </font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:2.9pt'><font size=1>&nbsp;</font></p> </td>
        <td width="126" valign=top style='border-bottom:double black 4.5pt;  padding:0in 6.35pt 0in 6.35pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=1>$12,446.24 </font></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:2.9pt'><font size=1>&nbsp;</font></p> </td> </tr></table>



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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>(1)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>Pursuant to Rule 416, there are registered hereunder such indeterminate number of additional shares as may become issuable upon exercise of the options as a result of the anti-dilution provisions of the Chesapeake Energy Corporation Long Term Incentive Plan.</font></p> </td> </tr></table>



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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>(2)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>Calculated pursuant to paragraphs (c) and (h) of Rule 457, based on the average of the high and low prices of the Common Stock of Chesapeake Energy Corporation on the New York Stock Exchange on July 17, 2006.  </font> </p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:0.4in; text-indent:-0.4in;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'>
</p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:0.39in;text-align:center;'><B><font SIZE=2>EXPLANATORY NOTE</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>By this registration statement, Chesapeake Energy Corporation is registering an additional 4,000,000 shares of its common stock, $.01 par value, to be offered under the Chesapeake Energy Corporation Amended and Restated Long Term Incentive Plan.  Chesapeake has previously filed a registration statement relating to 3,000,000 shares of its common stock offered pursuant to the plan (SEC File No. 333-126191 filed on June 28, 2005).  The contents of the prior registration statement are incorporated by reference into this registration statement pursuant to General Instruction E of Form S-8.  A list of exhibits included as part of this registration statement is set forth in the Exhibit Index which is incorporated herein by reference.  </font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>2</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>SIGNATURES</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:left;'><font size=2>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 Oklahoma City, State of Oklahoma on July 21, 2006.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:2.5in;text-align:justify;'><font SIZE=2>CHESAPEAKE ENERGY CORPORATION</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:2.5in;text-align:justify;'><font size=2>By:</font><font size=1></font><u><font size=2>/s/ Aubrey K. McClendon&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:2.88in;text-align:justify;'><font size=2>Aubrey K. McClendon</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:2.88in;text-align:justify;'><font size=2>Chairman of the Board and Chief Executive Officer</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:2.88in;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.57in;text-align:justify;'><font size=2>Each person whose signature appears below authorizes Aubrey K. McClendon and Marcus C. Rowland, and each of whom may act without joinder of the other, to execute in the name of each such person who is then an officer or director of the company and to file any amendments to this registration statement necessary or advisable to enable the company to comply with the Securities and Exchange Commission in respect thereof, in connection with the registration of the securities which are the subject of this registration statement, which amendments may make such changes in the registration statement as such attorney may deem appropriate.  </font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:left;'><font size=2>Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities indicated on July 21, 2006.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><U><font SIZE=2>SIGNATURE</font></U></p> </td>
        <td width="63" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><U><font SIZE=2>TITLE</font></U></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Aubrey K. McClendon&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Chairman of the Board, Chief Executive</font></p> </td> </tr></table>



<table border="0" cellspacing=0 cellpadding=0 width="485" style='border-collapse:collapse'>
    <tr >
        <td width="48" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="288" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Aubrey K. McClendon</font></p> </td>
        <td width="149" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Officer and Director</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:3.5in;text-align:justify;'><font size=2>(Principal Executive Officer)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Marcus C. Rowland&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Executive Vice President and Chief</font></p> </td> </tr></table>



<table border="0" cellspacing=0 cellpadding=0 width="465" style='border-collapse:collapse'>
    <tr >
        <td width="48" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="288" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Marcus C. Rowland</font></p> </td>
        <td width="129" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Financial Officer</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:3.5in;text-align:justify;'><font size=2>(Principal Financial Officer)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Michael A. Johnson&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Senior Vice President &#150; Accounting,</font></p> </td> </tr></table>



<table border="0" cellspacing=0 cellpadding=0 width="616" style='border-collapse:collapse'>
    <tr >
        <td width="48" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="288" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Michael A. Johnson</font></p> </td>
        <td width="280" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Controller and Chief Accounting Officer</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:3.5in;text-align:justify;'><font size=2>(Principal Accounting Officer)</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:3.5in; text-indent:-3in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Richard K. Davidson&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Director</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>Richard K. Davidson</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Frank A. Keating&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Director</font></p> </td> </tr></table>



<table border="0" cellspacing=0 cellpadding=0 width="180" style='border-collapse:collapse'>
    <tr >
        <td width="48" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="132" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Frank A. Keating</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Breene M. Kerr&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Director</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>Breene M. Kerr</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Charles T. Maxwell&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Director</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>Charles T. Maxwell</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Don L. Nickles&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Director</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>Don L. Nickles</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="336" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Frederick B. Whittemore&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></u></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Director</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:justify;'><font size=2>Frederick B. Whittemore</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>4</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>



<table border="0" cellspacing=0 cellpadding=0 width="393" style='border-collapse:collapse'>
    <tr >
        <td width="251" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="143" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><B><font SIZE=2>EXHIBIT INDEX</font></B></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:5.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="335" style='border-collapse:collapse'>
    <tr >
        <td  nowrap colspan="2" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="67" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Exhibit</font></p> </td>
        <td   colspan="2">
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></td> </tr>
    <tr >
        <td width="28" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td  nowrap colspan="3" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><u><font size=2>Number</font></u></p> </td>
        <td width="95" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><u><font size=2>Description</font></u></p> </td> </tr>
    <tr>
        <td width="28" ></td>

        <td width="3" ></td>

        <td width="67" ></td>

        <td width="143" ></td>

        <td width="95" ></td> </tr> </table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="38" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="106" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.1.1</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Restated Certificate of Incorporation of the Registrant. Incorporated herein by reference to Exhibits 3.1.1 to the Registrant&#146;s quarterly report on Form 10-Q for the quarter ended March 31, 2005.  Amendment to Registrant&#146;s Restated Certificate of Incorporation dated June 14, 2006.  Incorporated herein by reference to Exhibit 3.1.1 to Registrant&#146;s Form 8-K filed June 15, 2006.</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="40" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.1.2</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Certificate of Designation for Series A Junior Participating Preferred Stock, as amended.  Incorporated herein by reference to Exhibit 3.1.2 to the Registrant&#146;s Form 10-Q for the quarter ended March 31, 2005.  Third Amendment to the Certificate of Designation for Series A Junior Participating Preferred Stock.  Incorporated herein by reference to Exhibit 3.1.2 to Registrant&#146;s Form 8-K filed June 15, 2006.</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.08in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="40" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.1.3</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Certificate of Designation for 5% Cumulative Convertible Preferred Stock (Series 2003), as amended.  Incorporated herein by reference to Exhibit 3.1.4 to Registrant&#146;s Form 10-K for the year ended December 31, 2005.  Certificate of Elimination for 5.0% Cumulative Convertible Preferred Stock (Series 2003).  Incorporated herein by reference to Exhibit 3.1.2 to Registrant&#146;s Form 8-K filed June 6, 2006.</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.08in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="40" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.1.4</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Certificate of Designation for 4.125% Cumulative Convertible Preferred Stock, as amended.  Incorporated herein by reference to Exhibit 3.1.5 to Registrant&#146;s Form 10-K for the year ended December 31, 2005.  Certificate of Elimination for 4.125% Cumulative Convertible Preferred Stock.  Incorporated herein by reference to Exhibit 3.1.1 to Registrant&#146;s Form 8-K filed June 6, 2006.</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.08in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="40" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.1.5</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Certificate of Designation for 5% Cumulative Convertible Preferred Stock (Series 2005).  Incorporated herein by reference to Exhibit 3.1.6 to the Registrant&#146;s Form 10-Q for the quarter ended March 31, 2005.  </font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.08in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="40" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.1.6</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Certificate of Designation for 4.5% Cumulative Convertible Preferred Stock.  Incorporated herein by reference to Exhibit 3.1 to the Registrant&#146;s Form 8-K filed September 15, 2005.  </font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.08in;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="40" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.1.7 </font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Certificate of Designation for 5% Cumulative Convertible Preferred Stock (Series 2005B).  Incorporated herein by reference to Exhibit 3.1 to Registrant&#146;s current report on Form 8-K dated November 7, 2005. </font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="42" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="102" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.1.8</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Certificate of Designation for 6.25% Mandatory Convertible Preferred Stock.  Incorporated herein by reference to Exhibit 3.1 to Registrant&#146;s current report on Form 8-K filed June 30, 2006.</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.06in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="42" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="102" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.2</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Bylaws of the Registrant. Incorporated herein by reference to Exhibit 3.2 to the Registrant&#146;s annual report on Form 10-K for the year ended December 31, 2003.</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.06in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="42" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="102" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>4.3</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Rights Agreement dated July 15, 1998 between Registrant and UMB Bank, N.A., as Rights Agent.  Incorporated herein by reference to Exhibit 1 to Registrant&#146;s registration statement on Form 8-A filed July 16, 1998.  Amendment No. 1 dated September 11, 1998.  Incorporated herein by reference to Exhibit 10.3 to Registrant&#146;s quarterly report on Form 10-Q for the quarter ended September 30, 1998.  Amendment No. 2 dated March 3, 2006.  Incorporated herein by reference to Exhibit 10.6.1 to Registrant&#146;s annual report on Form 10-K for the year ended December 31, 2005.    </font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="520" style='border-collapse:collapse'>
    <tr >
        <td width="44" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="100" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>5.1</font></p> </td>
        <td width="376" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Opinion of Winstead Sechrest &amp; Minick P.C. regarding</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in;text-align:justify;'><font size=2>the validity of the securities being registered.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="433" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.1</font></p> </td>
        <td width="289" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of PricewaterhouseCoopers LLP.</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="371" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.2</font></p> </td>
        <td width="227" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Ernst &amp; Young LLP.</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="483" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.3</font></p> </td>
        <td width="339" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Netherland, Sewell &amp; Associates, Inc.</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="509" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.4</font></p> </td>
        <td width="365" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Schlumberger Data &amp; Consulting Services</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="448" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.5</font></p> </td>
        <td width="304" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Lee Keeling and Associates, Inc.</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="413" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.6</font></p> </td>
        <td width="269" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Ryder Scott Company, L.P.</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="477" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.7</font></p> </td>
        <td width="333" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of LaRoche Petroleum Consultants, Ltd.</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="432" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.8</font></p> </td>
        <td width="288" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of H.J. Gruy and Associates, Inc.</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="379" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>23.9</font></p> </td>
        <td width="235" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Miller and Lents, Ltd.</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="36" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="108" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>23.10</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Consent of Winstead Sechrest &amp; Minick P.C. (included as part of Exhibit 5.1).</font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>6</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style='page-break-before:always'></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="469" style='border-collapse:collapse'>
    <tr >
        <td width="40" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>24.1</font></p> </td>
        <td width="325" nowrap valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Power of Attorney (included on signature page)</font></p> </td> </tr></table>

<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1.5in; text-indent:-1.5in;text-align:justify;'><font size=2>&nbsp;</font></p>


<table border="0" cellspacing=0 cellpadding=0 width="100%" style='border-collapse:collapse'>
    <tr >
        <td width="40" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="104" valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>99.1</font></p> </td>
        <td  valign=top >
            <p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Chesapeake Energy Corporation Amended and Restated Long Term Incentive Plan.  </font></p> </td> </tr></table>


<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>7</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>



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[{"type": "S-8", "sequence": "1", "filename": "chk07212006_s8ltipamend.htm", "description": "AMEND & RESTATE LTIP", "secsgml_size_bytes": 59143}]
{"company-data": {"conformed-name": "CHESAPEAKE ENERGY CORP", "cik": "0000895126", "assigned-sic": "1311", "irs-number": "731395733", "state-of-incorporation": "OK", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-135949", "film-number": "06974113"}, "business-address": {"street1": "6100 N WESTERN AVE", "city": "OKLAHOMA CITY", "state": "OK", "zip": "73118", "phone": "4058488000"}, "mail-address": {"street1": "6100 NORTH WESTERN AVE", "city": "OKLAHOMA CITY", "state": "OK", "zip": "73118"}}
As filed with the Securities and Exchange Commission on July 21, 2006.
Registration No. 333-________
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
______________________
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
CHESAPEAKE ENERGY CORPORATION
(Exact name of registrant as specified in its charter)
Oklahoma
(State or Other Jurisdiction of
Incorporation or Organization)
73-1395733
(I.R.S. Employer Identification No.)
6100 North Western Avenue
Oklahoma City, Oklahoma
(Address of Principal Executive Offices)
73118
(Zip Code)
CHESAPEAKE ENERGY CORPORATION AMENDED AND RESTATED
LONG TERM INCENTIVE PLAN
(Full Title of the Plan)
Aubrey K. McClendon
Chairman of the Board and
Chief Executive Officer
Chesapeake Energy Corporation
6100 North Western Avenue
Oklahoma City, Oklahoma 73118
(Name and Address of Agent For Service)
Copies to
:
Connie S. Stamets, Esq.
Winstead Sechrest & Minick P.C.
5400 Renaissance Tower
1201 Elm Street
Dallas, Texas 75270
(405) 848-8000
(Telephone Number, Including Area Code,
of Agent for Service)
CALCULATION OF REGISTRATION FEE
Title of Each Class of
Securities To Be Registered
Amount
To Be
Registered
(1)
Proposed
Maximum
Offering Price
Per Share
Proposed
Maximum
Aggregate
Offering Price
(2)
Amount of
Registration Fee
(2)
Common Stock, $.01 par value per share
4,000,000
$29.08 (2)
$116,320,000
$12,446.24
(1)
Pursuant to Rule 416, there are registered hereunder such indeterminate number of additional shares as may become issuable upon exercise of the options as a result of the anti-dilution provisions of the Chesapeake Energy Corporation Long Term Incentive Plan.
(2)
Calculated pursuant to paragraphs (c) and (h) of Rule 457, based on the average of the high and low prices of the Common Stock of Chesapeake Energy Corporation on the New York Stock Exchange on July 17, 2006.
EXPLANATORY NOTE
By this registration statement, Chesapeake Energy Corporation is registering an additional 4,000,000 shares of its common stock, $.01 par value, to be offered under the Chesapeake Energy Corporation Amended and Restated Long Term Incentive Plan.  Chesapeake has previously filed a registration statement relating to 3,000,000 shares of its common stock offered pursuant to the plan (SEC File No. 333-126191 filed on June 28, 2005).  The contents of the prior registration statement are incorporated by reference into this registration statement pursuant to General Instruction E of Form S-8.  A list of exhibits included as part of this registration statement is set forth in the Exhibit Index which is incorporated herein by reference.
2
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 Oklahoma City, State of Oklahoma on July 21, 2006.
CHESAPEAKE ENERGY CORPORATION
By:
/s/ Aubrey K. McClendon
Aubrey K. McClendon
Chairman of the Board and Chief Executive Officer
Each person whose signature appears below authorizes Aubrey K. McClendon and Marcus C. Rowland, and each of whom may act without joinder of the other, to execute in the name of each such person who is then an officer or director of the company and to file any amendments to this registration statement necessary or advisable to enable the company to comply with the Securities and Exchange Commission in respect thereof, in connection with the registration of the securities which are the subject of this registration statement, which amendments may make such changes in the registration statement as such attorney may deem appropriate.
Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities indicated on July 21, 2006.
SIGNATURE
TITLE
/s/ Aubrey K. McClendon
Chairman of the Board, Chief Executive
Aubrey K. McClendon
Officer and Director
(Principal Executive Officer)
/s/ Marcus C. Rowland
Executive Vice President and Chief
Marcus C. Rowland
Financial Officer
(Principal Financial Officer)
/s/ Michael A. Johnson
Senior Vice President – Accounting,
Michael A. Johnson
Controller and Chief Accounting Officer
(Principal Accounting Officer)
/s/ Richard K. Davidson
Director
Richard K. Davidson
/s/ Frank A. Keating
Director
Frank A. Keating
/s/ Breene M. Kerr
Director
Breene M. Kerr
/s/ Charles T. Maxwell
Director
Charles T. Maxwell
/s/ Don L. Nickles
Director
Don L. Nickles
/s/ Frederick B. Whittemore
Director
Frederick B. Whittemore
4
EXHIBIT INDEX
Exhibit
Number
Description
4.1.1
Restated Certificate of Incorporation of the Registrant. Incorporated herein by reference to Exhibits 3.1.1 to the Registrant's quarterly report on Form 10-Q for the quarter ended March 31, 2005.  Amendment to Registrant's Restated Certificate of Incorporation dated June 14, 2006.  Incorporated herein by reference to Exhibit 3.1.1 to Registrant's Form 8-K filed June 15, 2006.
4.1.2
Certificate of Designation for Series A Junior Participating Preferred Stock, as amended.  Incorporated herein by reference to Exhibit 3.1.2 to the Registrant's Form 10-Q for the quarter ended March 31, 2005.  Third Amendment to the Certificate of Designation for Series A Junior Participating Preferred Stock.  Incorporated herein by reference to Exhibit 3.1.2 to Registrant's Form 8-K filed June 15, 2006.
4.1.3
Certificate of Designation for 5% Cumulative Convertible Preferred Stock (Series 2003), as amended.  Incorporated herein by reference to Exhibit 3.1.4 to Registrant's Form 10-K for the year ended December 31, 2005.  Certificate of Elimination for 5.0% Cumulative Convertible Preferred Stock (Series 2003).  Incorporated herein by reference to Exhibit 3.1.2 to Registrant's Form 8-K filed June 6, 2006.
4.1.4
Certificate of Designation for 4.125% Cumulative Convertible Preferred Stock, as amended.  Incorporated herein by reference to Exhibit 3.1.5 to Registrant's Form 10-K for the year ended December 31, 2005.  Certificate of Elimination for 4.125% Cumulative Convertible Preferred Stock.  Incorporated herein by reference to Exhibit 3.1.1 to Registrant's Form 8-K filed June 6, 2006.
4.1.5
Certificate of Designation for 5% Cumulative Convertible Preferred Stock (Series 2005).  Incorporated herein by reference to Exhibit 3.1.6 to the Registrant's Form 10-Q for the quarter ended March 31, 2005.
4.1.6
Certificate of Designation for 4.5% Cumulative Convertible Preferred Stock.  Incorporated herein by reference to Exhibit 3.1 to the Registrant's Form 8-K filed September 15, 2005.
4.1.7
Certificate of Designation for 5% Cumulative Convertible Preferred Stock (Series 2005B).  Incorporated herein by reference to Exhibit 3.1 to Registrant's current report on Form 8-K dated November 7, 2005.
4.1.8
Certificate of Designation for 6.25% Mandatory Convertible Preferred Stock.  Incorporated herein by reference to Exhibit 3.1 to Registrant's current report on Form 8-K filed June 30, 2006.
4.2
Bylaws of the Registrant. Incorporated herein by reference to Exhibit 3.2 to the Registrant's annual report on Form 10-K for the year ended December 31, 2003.
4.3
Rights Agreement dated July 15, 1998 between Registrant and UMB Bank, N.A., as Rights Agent.  Incorporated herein by reference to Exhibit 1 to Registrant's registration statement on Form 8-A filed July 16, 1998.  Amendment No. 1 dated September 11, 1998.  Incorporated herein by reference to Exhibit 10.3 to Registrant's quarterly report on Form 10-Q for the quarter ended September 30, 1998.  Amendment No. 2 dated March 3, 2006.  Incorporated herein by reference to Exhibit 10.6.1 to Registrant's annual report on Form 10-K for the year ended December 31, 2005.
5.1
Opinion of Winstead Sechrest & Minick P.C. regarding
the validity of the securities being registered.
23.1
Consent of PricewaterhouseCoopers LLP.
23.2
Consent of Ernst & Young LLP.
23.3
Consent of Netherland, Sewell & Associates, Inc.
23.4
Consent of Schlumberger Data & Consulting Services
23.5
Consent of Lee Keeling and Associates, Inc.
23.6
Consent of Ryder Scott Company, L.P.
23.7
Consent of LaRoche Petroleum Consultants, Ltd.
23.8
Consent of H.J. Gruy and Associates, Inc.
23.9
Consent of Miller and Lents, Ltd.
23.10
Consent of Winstead Sechrest & Minick P.C. (included as part of Exhibit 5.1).
6
24.1
Power of Attorney (included on signature page)
99.1
Chesapeake Energy Corporation Amended and Restated Long Term Incentive Plan.
7