<SEC-DOCUMENT>0001144204-12-025214.txt : 20120501
<SEC-HEADER>0001144204-12-025214.hdr.sgml : 20120501
<ACCEPTANCE-DATETIME>20120501135042
ACCESSION NUMBER:		0001144204-12-025214
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20120501
DATE AS OF CHANGE:		20120501

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CLEARSIGN COMBUSTION CORP
		CENTRAL INDEX KEY:			0001434524
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			WA

	FILING VALUES:
		FORM TYPE:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-86820
		FILM NUMBER:		12799317

	BUSINESS ADDRESS:	
		STREET 1:		12870 INTERURBAN AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98168
		BUSINESS PHONE:		(206) 673-4848

	MAIL ADDRESS:	
		STREET 1:		12870 INTERURBAN AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98168

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARLETT CHRISTOPHER A
		CENTRAL INDEX KEY:			0000897744

	FILING VALUES:
		FORM TYPE:		SC 13D

	MAIL ADDRESS:	
		STREET 1:		100 WILSHIRE BLVD
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>v311422_sc13d.htm
<DESCRIPTION>SCHEDULE 13D
<TEXT>
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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION<BR>
</B>WASHINGTON, D.C. 20549</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SCHEDULE 13D</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Rule 13d-101)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION TO BE INCLUDED IN STATEMENTS
FILED PURSUANT TO</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>RULE 13D-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13D-2(a)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>ClearSign Combustion Corporation</B><FONT STYLE="font-size: 10pt"><BR>
(Name of Issuer)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Common Stock<BR>
</B> (Title of Class of Securities)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>185064102</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(CUSIP Number)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Andrew D. Hudders, Esq.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0.5in"><B>Golenbock Eiseman
Assor Bell &amp; Peskoe LLP, </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>437 Madison Avenue, New York, New York
10022 </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(212-907-7300)<BR>
</B>(Name, Address and Telephone Number of Person Authorized<BR>
to Receive Notices and Communications)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>April 24, 2012<BR>
</B>(Date of Event which Requires Filing of this Statement)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">If the filing person has previously filed a statement on Schedule
13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3)
or (4), check the following box. <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Note</B>: Schedules filed in paper format shall include a
signed original and five copies of the schedule, including all exhibits. See &sect;240.13d-7 for other parties to whom copies are
to be sent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">* The remainder of this cover page shall be filled out for a
reporting person&rsquo;s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment
containing information which would alter disclosures provided in a prior cover page.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information required on the remainder of this cover page
shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&ldquo;Act&rdquo;)
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however,
see the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">Page 2 of 6</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CUSIP NO.: 185064102&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt; width: 4%; text-align: left; vertical-align: top">1)</TD>
    <TD STYLE="width: 96%; border-top: windowtext 1pt solid; border-right: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAME
                                                                                                                                            OF
                                                                                                                                            REPORTING
                                                                                                                                            PERSONS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in">Christopher Marlett</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt; text-align: left; vertical-align: top">2)</TD>
    <TD STYLE="border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK
                                                                                        THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.5in 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o<BR>
</FONT>(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&#120;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt; text-align: left; vertical-align: top">3)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt">SEC
    USE ONLY</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt; text-align: left; vertical-align: top">4)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOURCE
                                                                                                                                   OF
                                                                                                                                   FUNDS*</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 12.95pt">OO</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt; text-align: left; vertical-align: top">5)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK
    BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt; text-align: left; vertical-align: top">6)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP
                                                                                                                                   OR
                                                                                                                                   PLACE
                                                                                                                                   OF
                                                                                                                                   ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 12.6pt">United States</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 14%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt">NUMBER
    OF<BR>
    SHARES<BR>
    BENEFICIALLY<BR>
    OWNED BY<BR>
    EACH<BR>
    REPORTING<BR>
    PERSON WITH</TD>
    <TD STYLE="width: 4%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font-size: 10pt">7)</TD>
    <TD STYLE="width: 82%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE
                                                                                                    VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in">91,982<FONT STYLE="font-size: 8pt"><SUP>1</SUP></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font-size: 10pt">8)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED
                                                                                                                                   VOTING
                                                                                                                                   POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-indent: -0.9pt">1,118,070<FONT STYLE="font-size: 8pt"><SUP>2</SUP></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font-size: 10pt">9)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE
                                                                                                                                   DISPOSITIVE
                                                                                                                                   POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-indent: 0.9pt">91,982<FONT STYLE="font-size: 8pt"><SUP>1</SUP></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font-size: 10pt">10)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED
DISPOSITIVE POWER</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in">1,118,070<FONT STYLE="font-size: 8pt"><SUP>2</SUP></FONT></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%; border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt">11)</TD>
    <TD STYLE="width: 96%; border: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE
                                                                                                    AMOUNT BENEFICIALLY OWNED
                                                                                                    BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 12.6pt">1,210,052<FONT STYLE="font-size: 8pt"><SUP>3</SUP></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt">12)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">CHECK
    BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES&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><FONT STYLE="font-family: Wingdings">o</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt">13)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT
                                                                                                                                   OF
                                                                                                                                   CLASS
                                                                                                                                   REPRESENTED
                                                                                                                                   BY
                                                                                                                                   AMOUNT
                                                                                                                                   IN
                                                                                                                                   ROW
                                                                                                                                   (11)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 12.6pt">14.2%</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border: windowtext 1pt solid; padding-top: 6pt; padding-bottom: 6pt; font-size: 10pt">14)</TD>
    <TD STYLE="border-right: windowtext 1pt solid; border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE
                                                                                                                                   OF
                                                                                                                                   REPORTING
                                                                                                                                   PERSON*</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 12.6pt">IN</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">1.</TD><TD>Includes 17,409 shares of Common Stock issuable upon exercise of Warrants.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">2.</TD><TD>Includes (A) 454,545 shares of Common Stock held of record by Integrated Surgical Systems (&ldquo;ISS&rdquo;), of which the
Reporting Person is Chief Executive Officer and a director; and (B) 289,207 shares of Common Stock and 374,318 shares of Common
Stock issuable upon exercise of Warrants held of record by MDB Capital Group LLC (&ldquo;MDB&rdquo;), of which the Reporting Person
is Chief Executive Officer. The Reporting Person disclaims beneficial ownership of (A) the 454,545 shares of Common Stock held
of record by ISS, and (B) the 289,207 shares of Common Stock and the 374,318 shares of Common Stock issuable upon exercise of Warrants
held of record by MDB, except, in each case, to the extent of his pecuniary interest therein.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">3.</TD><TD>Includes 391,727 shares of Common Stock issuable upon exercise of Warrants.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">Page 3  of 6&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">Item&nbsp;1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD STYLE="text-align: justify">Security and Issuer</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The class of equity securities to which this Statement of Schedule
13D (this &ldquo;Schedule 13D&rdquo;) relates is shares of common stock (the &ldquo;Common Stock&rdquo;) of ClearSign Combustion
Corporation, a Washington corporation (the &ldquo;Issuer&rdquo;). The principal executive office of the Issuer is 12870 Interurban
Avenue South, Seattle, Washington 98168.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">Item&nbsp;2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD STYLE="text-align: justify">Identity and Background.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(a)</TD><TD STYLE="text-align: justify">This Schedule 13D is being filed by Christopher Marlett
(the &ldquo;Reporting Person&rdquo;)</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(b)</TD><TD STYLE="text-align: justify">The Reporting Person&rsquo;s business address is 401 Wilshire
Blvd., Santa Monica, California 90401.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(c)</TD><TD STYLE="text-align: justify">The Reporting Person principal occupation is Chief Executive
Officer of MDB Capital Group, LLC, an investment banking firm.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(d)</TD><TD STYLE="text-align: justify">During the past five years, the Reporting Person has not
been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(e)</TD><TD STYLE="text-align: justify">During the past five years, none of the Reporting Person
has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction or as a result of such
a proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating
activities subject to, federal or state securities laws or finding any violation with respect to such laws.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(f)</TD><TD STYLE="text-align: justify">The Reporting Person is a citizen of the United States.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">Item&nbsp;3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD STYLE="text-align: justify">Source and Amount of Funds and Other Consideration.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The securities were acquired by the Reporting Person through
the use of personal funds and provisions of services.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">Item&nbsp;4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD STYLE="text-align: justify">Purpose of Transaction</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The securities were acquired for investment purposes. The Reporting
Person intends to review his investment in the Issuer on a continuing basis and will routinely monitor a wide variety of investment
considerations, including, without limitation, current and anticipated future trading prices for the Common Stock, the Issuer&rsquo;s
financial position, operations, assets, prospects, strategic direction and business and other developments affecting the Issuer.
The Reporting Person may from time to time take such actions with respect to his investment in the Issuer as he deems appropriate,
including, without limitation, (i) acquiring additional shares or disposing of some or all of his shares of Common Stock (or other
securities of the Issuer); (ii) changing his current intentions with respect to any or all matters referred to in this Item 4;
and/or (iii) engaging in hedging, derivative or similar transactions with respect to any securities of the Issuer. Any acquisition
or disposition of the Issuer&rsquo;s securities may be made by means of open-market purchases or dispositions, privately negotiated
transactions, direct acquisitions from or dispositions to the Issuer.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: left; width: 50%">&nbsp;</TD><TD STYLE="text-align: right; width: 50%"></TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">Page 4  of 6&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">At the date of this Schedule 13D, except as set forth in this
Schedule 13D, the Reporting Person does not have any plans or proposals which would result in:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(a)</TD><TD STYLE="text-align: justify">The acquisition by any person of additional securities
of the Issuer, or the disposition of securities of the Issuer;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(b)</TD><TD STYLE="text-align: justify">An extraordinary corporate transaction, such as a
merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(c)</TD><TD STYLE="text-align: justify">A sale or transfer of a material amount of assets
of the Issuer or any of its subsidiaries;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(d)</TD><TD STYLE="text-align: justify">Any change in the present board of directors or management
of the Issuer, including any plans or proposals to change the number or term of directors or fill any existing vacancies on the
board;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(e)</TD><TD STYLE="text-align: justify">Any material change in the present capitalization
or dividend policy of the Issuer;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(f)</TD><TD STYLE="text-align: justify">Any other material change in the Issuer&rsquo;s business
or corporate structure;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(g)</TD><TD STYLE="text-align: justify">Changes in the Issuer&rsquo;s charter, bylaws or instruments
corresponding thereto or other actions which may impede the acquisition of control of the Issuer by any person;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(h)</TD><TD STYLE="text-align: justify">Causing a class of securities of the Issuer to be
delisted from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of
a registered national securities association;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(i)</TD><TD STYLE="text-align: justify">A class of equity securities of the Issuer becoming
eligible for termination of registration pursuant to Section 12(g)(4) of the Securities Exchange Act of 1940; or</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">(j)</TD><TD STYLE="text-align: justify">Any action similar to any of those actions enumerated
above.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">ITEM&nbsp;5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD STYLE="text-align: justify">Interests in Securities of the Issuer</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(a)</TD><TD STYLE="text-align: justify">The Reporting Person beneficially owns an aggregate of
1,210,052 shares of Common Stock, representing 14.2% of the Issuer&rsquo;s Common Stock.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(b)</TD><TD STYLE="text-align: justify">The Reporting Person has (A) the sole power to vote and
to dispose of 91,982 shares of Common Stock and (B) the shared power to vote, or to direct the vote, or to dispose, or direct
the disposition, of 1,118,070 shares of Common Stock. The Reporting Person disclaims beneficial ownership of the 1,118,070 shares
of Common Stock over which he has the shared power to vote, or to direct the vote, or to dispose, or direct the disposition, except
to the extent of his pecuniary interest therein.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">Page 5  of 6&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(c)</TD><TD STYLE="text-align: justify">Not applicable.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(d)</TD><TD STYLE="text-align: justify">Not applicable</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">(e)</TD><TD STYLE="text-align: justify">Not applicable.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">ITEM&nbsp;6.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD STYLE="text-align: justify">CONTRACTS, ARRANGEMENTS UNDERSTANDINGS OR RELATIONSHIPS
WITH RESPECT TO SECURITIES OF THE ISSUER.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 63pt; text-indent: -63pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 63pt; text-indent: -63pt">Not applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left">ITEM&nbsp;7.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD STYLE="text-align: justify">MATERIAL TO BE FILED AS EXHIBITS.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 63pt; text-indent: -63pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 63pt; text-indent: -63pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 63pt; text-indent: -63pt"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 8%"><FONT STYLE="font-size: 10pt"><U>Exhibit No</U>.</FONT></TD>
    <TD STYLE="width: 92%"><FONT STYLE="font-size: 10pt">&nbsp;<U>Description</U></FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 0.24in"><FONT STYLE="font-size: 10pt">1.</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">Underwriter&rsquo;s Warrant (incorporated by reference to Exhibit 4.1 to Post-Effective
    Amendment No. 1 to the Issuer&rsquo;s Form S-1 Registration Statement, filed on April 25, 2012). &nbsp; &nbsp;</FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 63pt; text-indent: -63pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">Page 6  of 6&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SIGNATURE</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">After reasonable inquiry and to the best
of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD STYLE="vertical-align: top">Dated as of: April 30, 2012&nbsp;&nbsp;</TD>
    <TD COLSPAN="2"></TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; width: 50%"></TD>
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 46%">/s/ Christopher Marlett</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-top: #000000 1px solid">Christopher Marlett</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0pt; margin-top: 0pt; margin-bottom: 6pt">&nbsp;</P>

<P STYLE="margin: 0"></P>

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