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<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>As filed with the Securities and Exchange Commission on June&nbsp;20, 2008</B></DIV>


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


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






<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

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


<DIV align="center" style="font-size: 12pt; margin-top: 6pt"><B>REGISTRATION STATEMENT UNDER<BR>
THE SECURITIES ACT OF 1933<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>SYNTROLEUM CORPORATION</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #ffffff"><B>Delaware</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #ffffff"><B>73-1565725</B></TD>
</TR>

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<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction of <BR>
of incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer Identification No.)</TD>
</TR>
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</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #ffffff"><B>5416 South Yale Avenue, Suite 400</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

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<TR valign="bottom">
    <TD align="center" valign="top"><B>Tulsa, Oklahoma</B><BR>
(Address of principal executive offices)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>74135</B><BR>
(Zip Code)</TD>
</TR>
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</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>SYNTROLEUM CORPORATION<BR>
2005 STOCK INCENTIVE PLAN</B><BR>
(Full title of plan)<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>KAREN L. GALLAGHER<BR>
Senior Vice President and Principal Financial Officer<BR>
Syntroleum Corporation<BR>
5416 South Yale Avenue, Suite&nbsp;400<BR>
Tulsa, Oklahoma 74135<BR>
(918)&nbsp;592-7900</B><BR>
(Name, address, including zip code, and telephone number,<BR>
including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of &#147;large accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule 12b-2 of the Exchange Act. (Check one):</DIV>

<TABLE width="100%" style="font-size: 10pt; margin-top: 0pt"><TR><TD>Large accelerated filer&nbsp;<FONT face="Wingdings">&#111;</FONT><br><br></TD><TD align="center">Accelerated filer&nbsp;<FONT face="Wingdings">&#254;</FONT><br>&nbsp;</TD><TD align="center">Non-accelerated filer&nbsp;<FONT face="Wingdings">&#111;</FONT><BR>(Do not check if a smaller reporting company)</TD><TD align="right">Smaller reporting company&nbsp;<FONT face="Wingdings">&#111;</FONT><br><br></TD></TR></TABLE>

<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>CALCULATION OF REGISTRATION FEE</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="54%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="24" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Proposed</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Proposed</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Aggregate</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Amount of</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>Title of Securities</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Amount to be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Price</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Registration</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>to be Registered (1)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Registered (2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Per Share (3)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Price (3)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Fee (2)</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, $0.01 par value</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD nowrap colspan="3" align="center" style="border-top: 2px solid #000000">13,953,883 shares</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">1.91</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">14,045,917</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">552</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="24" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

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

</DIV>



<DIV style="margin-top: 3pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>
<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Includes preferred stock purchase rights associated with the Common Stock. No separate
consideration is payable for the preferred stock purchase rights.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>See the &#147;Explanatory Statement&#148; below. Includes awards that may be granted pursuant to the
2005 Stock Incentive Plan and an indeterminate number of shares of Common Stock that may
become issuable pursuant to the antidilution provisions of such Plan.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(3)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of computing the registration fee in accordance with Rule
457(c) of the Securities Act of 1933. Pursuant to Rule&nbsp;457(c), the proposed maximum offering
price has been calculated based on the average of the high and low prices of the Common Stock
on the Nasdaq Capital Market on June&nbsp;16, 2008.</TD>
</TR>

</TABLE>
</DIV>


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





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

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On July&nbsp;6, 2005, the Registrant filed a registration statement on Form S-8 (File No.
333-126427) registering 6,600,000 shares of its common stock, $.01 par value, issuable pursuant to
its 2005 Stock Incentive Plan, or the &#147;Plan&#148;. On June&nbsp;2, 2008, the stockholders of the Registrant
approved an amendment to the Plan to increase the number of shares of common stock issuable
thereunder by 7,353,883 shares. This Registration Statement on Form S-8 relates to such increase
and, pursuant to General Instruction E for registration statements on Form S-8, the filing fee
relates only to such increase.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to General Instruction E for registration statements on Form S-8, the contents of the
registration statement on Form S-8 (File No.&nbsp;333-126427), filed with the Commission on July&nbsp;6,
2005, are incorporated herein by reference, except as amended hereby.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits.</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="8%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit No.</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Hall, Estill, Hardwick, Gable, Golden &#038; Nelson, P.C.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Syntroleum Corporation 2005 Stock Incentive Plan, as amended (incorporated by
reference to Exhibit&nbsp;10.1 to the Registrant&#146;s Current Report on Form&nbsp;8-K filed June 17, 2008).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Grant Thornton LLP</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Hall, Estill, Hardwick, Gable, Golden &#038; Nelson, P.C. (included in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on signature page to this registration statement)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
has reasonable grounds to believe that it meets all 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 the 20th day of June, 2008.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">SYNTROLEUM CORPORATION<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Edward G.&nbsp;Roth
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Edward G. Roth&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

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



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and
appoints Edward G. Roth and Karen L. Gallagher, and each of them individually, his or her true and
lawful attorneys-in-fact and agents, with full power to act alone without the other and with full
power of substitution and resubstitution, to execute in his or her name, place and stead and in any
and all capacities (including in his or her capacity as a director or officer of Syntroleum
Corporation) any and all amendments (including post-effective amendments) to this Registration
Statement, and to file the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and every act and thing
necessary or desirable to be done in and about the premises, as fully to all intents and purposes
as he or she might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or their substitute or substitutes, or any of them, may lawfully do or
cause to be done by virtue hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
been signed by the following persons in the capacities indicated on June&nbsp;20th, 2008.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Edward G. Roth
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Edward G. Roth
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President, Chief Executive Officer and Director&nbsp;<br>(Chief
Executive Officer)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Karen L. Gallagher
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Karen L. Gallagher
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Senior Vice President of Finance, Principal Financial Officer&nbsp;<br>and
Corporate Secretary (Principal Financial Officer)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Robert B. Rosene
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Robert B. Rosene
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chairman&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/Alvin R. Albe, Jr.
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Alvin R. Albe, Jr.
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Frank M. Bumstead
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Frank M. Bumstead
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ P. Anthony Jacobs
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
P. Anthony Jacobs
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James R. Seward
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James R. Seward
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


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

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="8%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit No.</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Hall, Estill, Hardwick, Gable, Golden &#038; Nelson, P.C.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Syntroleum Corporation 2005 Stock Incentive Plan, as amended (incorporated by
reference to Exhibit&nbsp;10.1 to the Registrant&#146;s Current Report on Form&nbsp;8-K filed June&nbsp;17,
2008).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Grant Thornton LLP</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Hall, Estill, Hardwick, Gable, Golden &#038; Nelson, P.C. (included in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on signature page to this registration statement)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

</BODY>
</HTML>
[{"type": "S-8", "sequence": "1", "filename": "d57848sv8.htm", "description": "FORM S-8", "secsgml_size_bytes": 29681}]
{"company-data": {"conformed-name": "SYNTROLEUM CORP", "cik": "0001029023", "assigned-sic": "1311", "irs-number": "731565725", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-151806", "film-number": "08909861"}, "business-address": {"street1": "5416 S. YALE", "street2": "SUITE 400", "city": "TULSA", "state": "OK", "zip": "74135", "phone": "9185927900"}, "mail-address": {"street1": "5416 S. YALE", "street2": "SUITE 400", "city": "TULSA", "state": "OK", "zip": "74135"}, "former-company": {"former-conformed-name": "SLH CORP", "date-changed": "19961213"}}
sv8
As filed with the Securities and Exchange Commission on June 20, 2008
Registration
No. 333-
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT UNDER
THE SECURITIES ACT OF 1933
SYNTROLEUM CORPORATION
(Exact name of registrant as specified in its charter)
Delaware
73-1565725
(State or other jurisdiction of
of incorporation or organization)
(I.R.S. Employer Identification No.)
5416 South Yale Avenue, Suite 400
Tulsa, Oklahoma
(Address of principal executive offices)
74135
(Zip Code)
SYNTROLEUM CORPORATION
2005 STOCK INCENTIVE PLAN
(Full title of plan)
KAREN L. GALLAGHER
Senior Vice President and Principal Financial Officer
Syntroleum Corporation
5416 South Yale Avenue, Suite 400
Tulsa, Oklahoma 74135
(918) 592-7900
(Name, address, including zip code, and telephone number,
including area code, of agent for service)
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):
Large accelerated filer
o
Accelerated filer
þ
Non-accelerated filer
o
(Do not check if a smaller reporting company)
Smaller reporting company
o
CALCULATION OF REGISTRATION FEE
Proposed
Proposed
Maximum
Maximum
Offering
Aggregate
Amount of
Title of Securities
Amount to be
Price
Offering
Registration
to be Registered (1)
Registered (2)
Per Share (3)
Price (3)
Fee (2)
Common Stock, $0.01 par value
13,953,883 shares
$
1.91
$
14,045,917
$
552
(1)
Includes preferred stock purchase rights associated with the Common Stock. No separate
consideration is payable for the preferred stock purchase rights.
(2)
See the "Explanatory Statement" below. Includes awards that may be granted pursuant to the
2005 Stock Incentive Plan and an indeterminate number of shares of Common Stock that may
become issuable pursuant to the antidilution provisions of such Plan.
(3)
Estimated solely for the purpose of computing the registration fee in accordance with Rule
457(c) of the Securities Act of 1933. Pursuant to Rule 457(c), the proposed maximum offering
price has been calculated based on the average of the high and low prices of the Common Stock
on the Nasdaq Capital Market on June 16, 2008.
EXPLANATORY STATEMENT
On July 6, 2005, the Registrant filed a registration statement on Form S-8 (File No.
333-126427) registering 6,600,000 shares of its common stock, $.01 par value, issuable pursuant to
its 2005 Stock Incentive Plan, or the "Plan". On June 2, 2008, the stockholders of the Registrant
approved an amendment to the Plan to increase the number of shares of common stock issuable
thereunder by 7,353,883 shares. This Registration Statement on Form S-8 relates to such increase
and, pursuant to General Instruction E for registration statements on Form S-8, the filing fee
relates only to such increase.
Pursuant to General Instruction E for registration statements on Form S-8, the contents of the
registration statement on Form S-8 (File No. 333-126427), filed with the Commission on July 6,
2005, are incorporated herein by reference, except as amended hereby.
Item 8. Exhibits.
Exhibit No.
Title
5.1
Opinion of Hall, Estill, Hardwick, Gable, Golden & Nelson, P.C.
10.1
Syntroleum Corporation 2005 Stock Incentive Plan, as amended (incorporated by
reference to Exhibit 10.1 to the Registrant's Current Report on Form 8-K filed June 17, 2008).
23.1
Consent of Grant Thornton LLP
23.2
Consent of Hall, Estill, Hardwick, Gable, Golden & Nelson, P.C. (included in Exhibit 5.1)
24.1
Power of Attorney (included on signature page to this registration statement)
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 the 20th day of June, 2008.
SYNTROLEUM CORPORATION
By:
/s/ Edward G. Roth
Edward G. Roth
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and
appoints Edward G. Roth and Karen L. Gallagher, and each of them individually, his or her true and
lawful attorneys-in-fact and agents, with full power to act alone without the other and with full
power of substitution and resubstitution, to execute in his or her name, place and stead and in any
and all capacities (including in his or her capacity as a director or officer of Syntroleum
Corporation) any and all amendments (including post-effective amendments) to this Registration
Statement, and to file the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and every act and thing
necessary or desirable to be done in and about the premises, as fully to all intents and purposes
as he or she might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or their substitute or substitutes, or any of them, 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 indicated on June 20th, 2008.
Signature
Title
/s/ Edward G. Roth
Edward G. Roth
President, Chief Executive Officer and Director
(Chief
Executive Officer)
/s/ Karen L. Gallagher
Karen L. Gallagher
Senior Vice President of Finance, Principal Financial Officer
and
Corporate Secretary (Principal Financial Officer)
/s/ Robert B. Rosene
Robert B. Rosene
Chairman
/s/Alvin R. Albe, Jr.
Alvin R. Albe, Jr.
Director
/s/ Frank M. Bumstead
Frank M. Bumstead
Director
/s/ P. Anthony Jacobs
P. Anthony Jacobs
Director
/s/ James R. Seward
James R. Seward
Director
INDEX TO EXHIBITS
Exhibit No.
Title
5.1
Opinion of Hall, Estill, Hardwick, Gable, Golden & Nelson, P.C.
10.1
Syntroleum Corporation 2005 Stock Incentive Plan, as amended (incorporated by
reference to Exhibit 10.1 to the Registrant's Current Report on Form 8-K filed June 17,
2008).
23.1
Consent of Grant Thornton LLP
23.2
Consent of Hall, Estill, Hardwick, Gable, Golden & Nelson, P.C. (included in Exhibit 5.1)
24.1
Power of Attorney (included on signature page to this registration statement)