<SEC-DOCUMENT>0001104659-19-064546.txt : 20191115
<SEC-HEADER>0001104659-19-064546.hdr.sgml : 20191115
<ACCEPTANCE-DATETIME>20191115083037
ACCESSION NUMBER:		0001104659-19-064546
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20191113
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20191115
DATE AS OF CHANGE:		20191115

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ClearSign Technologies Corp
		CENTRAL INDEX KEY:			0001434524
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35521
		FILM NUMBER:		191222528

	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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CLEARSIGN COMBUSTION CORP
		DATE OF NAME CHANGE:	20080507
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>tm1923046d1_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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<P STYLE="margin: 0">&nbsp;</P>

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>

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

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 8-K </B></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-align: center"><B>CURRENT REPORT </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Pursuant to Section 13 or 15(d) of the
</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Securities Exchange Act of 1934 </B></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-align: center"><B>Date of report (Date of earliest event
reported): November 13, 2019</B></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">&nbsp;</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CLEARSIGN TECHNOLOGIES CORPORATION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Exact name of registrant as specified
in Charter) </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">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR>
    <TD STYLE="vertical-align: top; width: 32%; text-align: center"><FONT STYLE="font-size: 10pt"><B>Washington</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 2%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 32%; text-align: center"><FONT STYLE="font-size: 10pt"><B>001-35521</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 2%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 32%; text-align: center"><FONT STYLE="font-size: 10pt"><B>26-2056298</B></FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(State or other jurisdiction of</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>incorporation or organization)</B></P></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt"><B>(Commission File No.)</B></FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt"><B>(IRS Employee Identification No.)</B></FONT></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; text-align: center"><B>12870 Interurban Avenue South</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Seattle, Washington 98168</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Address of Principal Executive Offices)
</B></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-align: center"><B>206-673-4848</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Issuer Telephone number) </B></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">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions (see General Instruction
A.2 below).</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: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Written communications pursuant to Rule 425 under the
Securities Act (17 CFR 230.425)</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: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Soliciting material pursuant to Rule 14a-12 under the
Exchange Act (17 CFR240.14a-12)</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: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Pre-commencement communications pursuant to Rule 14d-2(b)
under the Exchange Act (17 CFR 240.14d-2(b)).</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: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Pre-commencement communications pursuant to Rule 13e-(c)
under the Exchange Act (17 CFR 240.13(e)-4(c))</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">Securities registered pursuant to Section 12(b) of the Act:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; border-bottom: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Title of each class</B></FONT></TD>
    <TD STYLE="width: 1%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 32%; border-bottom: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Trading Symbol(s)</B></FONT></TD>
    <TD STYLE="width: 1%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 32%; border-bottom: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Name of each exchange on which registered</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-size: 10pt"><B>Common Stock</B></FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-size: 10pt"><B>CLIR</B></FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-size: 10pt"><B>The Nasdaq Stock Market LLC</B></FONT></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">Indicate by check mark whether the registrant is an emerging
growth company as defined in Rule 405 of the Securities Act of 1933 (&sect;230.405 of this chapter) or Rule 12b-2 of the Securities
Exchange Act of 1934 (&sect;240.12b-2 of this chapter).</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 3.5in; text-align: right">Emerging growth company <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">If an emerging growth company, indicate by check mark if the
registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards
provided pursuant to Section 13(a) of the Exchange Act. <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"></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px"></TD>
    <TD STYLE="width: 96px"><FONT STYLE="font-size: 10pt"><B>Item 7.01</B></FONT></TD>
    <TD><FONT STYLE="font-size: 10pt"><B>Regulation FD Disclosure.</B></FONT></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; text-indent: 0.5in">On November 13, 2019, ClearSign Technologies
Corporation (the &ldquo;Company&rdquo;) issued a press release announcing the results of operations for the three and nine months
ended September 30, 2019 (the &ldquo;Third Quarter Results&rdquo;). The press release is included as Exhibit 99.1 to this Current
Report and is incorporated by reference in its entirety into this Item 7.01.</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">Also on November 13, 2019, the Company held
a conference call discussing the Third Quarter Results and other business related information provided by the Company&rsquo;s Chief
Executive Officer. A transcript of this conference call is attached as Exhibit 99.2 to this Current Report and is incorporated
herein by reference.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The information set forth in Item 7.01 of
this Current Report and in the attached Exhibits 99.1 and 99.2 is deemed to be &ldquo;furnished&rdquo; and shall not be deemed
to be &ldquo;filed&rdquo; for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;),
or otherwise subject to the liabilities of that Section. The information set forth in Item 7.01 of this Current Report, including
Exhibits 99.1 and 99.2, shall not be deemed incorporated by reference into any filing under the Exchange Act or the Securities
Act of 1933, as amended, regardless of any general incorporation language in such filing.</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">The statements in this Current Report include
forward-looking statements regarding the intent, belief or current expectations of the Company and members of its management team,
as well as the assumptions on which such statements are based, and generally are identified by the use of words such as &ldquo;may,&rdquo;
 &ldquo;will,&rdquo; &ldquo;seeks,&rdquo; &ldquo;strives,&rdquo; &ldquo;anticipates,&rdquo; &ldquo;believes,&rdquo; &ldquo;estimates,&rdquo;
 &ldquo;expects,&rdquo; &ldquo;plans,&rdquo; &ldquo;intends,&rdquo; &ldquo;should&rdquo; or similar expressions. Actual results
may differ materially from those contemplated by such forward-looking statements, including as a result of those factors set forth
in the Risk Factors section of the Company&rsquo;s most recent Annual Report on Form 10-K for the year ended December 31, 2018
filed on March 12, 2019 and all other filings with the Securities and Exchange Commission after that date. Forward-looking statements
speak only as of the date they are made, and the Company undertakes no obligation to update or revise forward-looking statements
to reflect changed assumptions, the occurrence of unanticipated events or changes to future operating results over time, or revise
forward-looking unless required by law.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px"></TD>
    <TD STYLE="width: 96px"><FONT STYLE="font-size: 10pt"><B>Item 9.01</B></FONT></TD>
    <TD><FONT STYLE="font-size: 10pt"><B>Financial Statements and Exhibits</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 48px">&nbsp;</TD>
    <TD STYLE="width: 96px"><A HREF="tm1923046d1_ex99-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-size: 10pt">Exhibit 99.1</FONT></A></TD>
    <TD><A HREF="tm1923046d1_ex99-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-size: 10pt">Press Release issued November 13, 2019</FONT></A></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><A HREF="tm1923046d1_ex99-2.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-size: 10pt">Exhibit 99.2</FONT></A></TD>
    <TD><A HREF="tm1923046d1_ex99-2.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-size: 10pt">Transcript of Conference Call held on November 13, 2019</FONT></A></TD></TR>
</TABLE>
<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0">SIGNATURE</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">Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this Current Report to be signed on its behalf by the undersigned hereunto
duly authorized.</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">Dated: November 15, 2019</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
<TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">CLEARSIGN TECHNOLOGIES CORPORATION</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 4%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD STYLE="width: 1%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 30%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 15%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; white-space: nowrap"><FONT STYLE="font-size: 10pt">By:</FONT></TD><TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 10pt">/s/ Brian Fike</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left"><FONT STYLE="font-size: 10pt">Brian Fike</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left"><FONT STYLE="font-size: 10pt">Chief Financial Officer</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
</TABLE>


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



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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>tm1923046d1_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<HTML>
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<P STYLE="margin: 0; text-align: right"><B>Exhibit 99.1</B></P>

<P STYLE="margin: 0; text-align: right">&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0; text-align: center"><IMG SRC="image_001.jpg" ALT="">&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0; text-align: center">&nbsp;</P>

<P STYLE="margin: 0; text-align: right"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Announces Third Quarter 2019 Results</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>Hosting Call at 5:00pm ET (2:00pm PT)
Today</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>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">SEATTLE, November
13, 2019 &ndash; ClearSign Technologies Corporation (Nasdaq: CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), an emerging
leader in industrial combustion and sensing technologies that improve energy, operational efficiency and safety while dramatically
reducing emissions, announces its results for the quarter ended&nbsp;September 30, 2019&nbsp;and will host a conference call at&nbsp;5:00
PM ET.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">&quot;While we
have been quiet in terms of announcements this last quarter we have been exceedingly busy behind the scenes,&quot; said Jim Deller
Ph.D., Chief Executive Officer of ClearSign. &ldquo;In the last quarter we have continued to pursue collaboration agreements with
established manufacturers and are happy with the progress we are making. Ultimately our goal is to become the mainstream solution
to restore fired equipment productivity and to achieve efficient emissions compliance in the environmentally conscious regions
of the world. Additionally, we believe that our sensing technologies will further establish ClearSign as a technology provider
to the combustion industry and beyond. Recognizing this expanded opportunity, yesterday we announced our name change to ClearSign
Technologies Corporation, which we believe is a much better description of the type of company we are today.&rdquo;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">Recent strategic
and operational highlights during and subsequent to the third quarter of 2019 include:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: white"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Rebranded Company name to ClearSign
Technologies Corporation</B>: This is the next step in the evolution of the Company and is a better descriptor of what the Company
provides, namely, technology solutions. The ClearSign Core</FONT><FONT STYLE="font-family: Symbol">&auml;</FONT> <FONT STYLE="font-family: Times New Roman, Times, Serif">technology
is an advancement which provides best-in-class NOx emissions while also enhancing performance characteristics. The Company&rsquo;s
sensing technologies have diverse applications to a broad group of industries extending beyond those related to industrial combustion.
</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: white"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Announced Engineering Order from Exxon
Mobil Corporation (ExxonMobil):</B> We received a purchase order from Exxon Mobil to perform early engineering and installation
planning for a trial installation of the Company&rsquo;s ClearSign Core process burners at one of ExxonMobil&rsquo;s Gulf Coast
refineries. The order is the next step in the process for the Company to showcase ClearSign Core&rsquo;s best-in-class technology
to reduce NOx emissions and for ExxonMobil to assess applicability across its process heater fleet.&nbsp;The engineering follows
the previously announced qualification program that the Company performed at its state-of-the-art R&amp;D facility in Seattle.</FONT></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; background-color: white"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Continued to pursue the rollout of
strategic plan: </B>The Company continues to have ongoing discussions for collaboration with multiple channel partners and customers
of boiler burners, process heater burners and flare technology. The goal is to deliver the Company&rsquo;s technology, branded
as ClearSign Core</FONT><FONT STYLE="font-family: Symbol">&auml;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">,
to the market through established equipment suppliers.</FONT></TD></TR></TABLE>

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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: justify">Loss for the third quarter 2019 was&nbsp;$2.1
million&nbsp;compared to a loss of&nbsp;$2.3 million&nbsp;for the same period of 2018.&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Cash and investment resources were about&nbsp;$10
million&nbsp;as of&nbsp;September 30, 2019.&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Shares outstanding at&nbsp;September 30,
2019&nbsp;total 26,704,761.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">Investors interested
in participating on the live call can dial 1-866-372-4653 within the U.S. or 1-412-902-4217 from abroad. Investors can also access
the call online through a listen-only webcast at <U>https://www.webcaster4.com/Webcast/Page/987/32132</U> or on the investor relations
section of the Company's website at <U>http://ir.clearsign.com/overview</U>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">The webcast will
be archived on the Company's investor relations website for at least 90 days and a telephonic playback of the conference call will
be available by calling 1-877-344-7529 within the U.S. or 1-412-317-0088 from abroad. The conference ID is&nbsp;10136447. The telephonic
playback will be available for 7 days after the conference call.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">For more information
on ClearSign Technologies Corporation, visit&nbsp;<U>www.clearsign.com</U>.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B>About ClearSign Technologies Corporation</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif">ClearSign
Technologies Corporation designs and develops products and technologies for the purpose of improving key performance characteristics
of industrial and commercial systems, including&nbsp;operational performance, energy efficiency, emission reduction, safety and
overall cost-effectiveness. Our patented technologies, embedded in established OEM products as ClearSign Core</FONT><FONT STYLE="font-family: Symbol">&auml;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">,
and ClearSign Eye</FONT><FONT STYLE="font-family: Symbol">&auml;</FONT> <FONT STYLE="font-family: Times New Roman, Times, Serif">and
other sensing configurations, enhance the performance of combustion systems and fuel safety systems in a broad range of markets,
including the energy (upstream oil production and down-stream refining), commercial/industrial boiler, chemical, petrochemical,
transport and power industries. For more information, please visit <U>www.clearsign.com.</U></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</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>Cautionary note on forward-looking statements</B></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">All statements in this press release that are not
based on historical fact are &quot;forward-looking statements.&quot; You can find many (but not all) of these statements by
looking for words such as &ldquo;approximates,&rdquo; &ldquo;believes,&rdquo; &ldquo;hopes,&rdquo; &ldquo;expects,&rdquo;
 &ldquo;anticipates,&rdquo; &ldquo;estimates,&rdquo; &ldquo;projects,&rdquo; &ldquo;intends,&rdquo;
 &ldquo;plans,&rdquo; &ldquo;would,&rdquo; &ldquo;should,&rdquo; &ldquo;could,&rdquo; &ldquo;may,&rdquo; &ldquo;will&rdquo; or
other similar expressions. While management has based any forward-looking statements included in this press release on its
current expectations, the information on which such expectations were based may change. These forward-looking statements rely
on a number of assumptions concerning future events and are subject to a number of risks, uncertainties and other factors,
many of which are outside of our control, that could cause actual results to materially differ from such statements. Such
risks, uncertainties and other factors include, but are not limited to, general business and economic conditions, the
performance of management and our employees, our ability to obtain financing, competition, whether our technology will be
accepted and adopted and other factors identified in our Annual Report on Form 10-K filed with the Securities and Exchange
Commission and available at <U>www.sec.gov</U> and other factors that are detailed in our periodic and current reports
available for review at <U>www.sec.gov</U>. Furthermore, we operate in a competitive environment where new and unanticipated
risks may arise. Accordingly, investors should not place any reliance on forward-looking statements as a prediction of actual
results. We disclaim any intention to, and undertake no obligation to, update or revise forward-looking statements to reflect
events or circumstances that subsequently occur or of which we hereafter become aware.</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">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Firm IR Group for ClearSign</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">+1 415-572-8152</P>

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

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<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></B></P>

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

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

<P STYLE="text-align: center; font: italic bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">(unaudited)</P>



<P STYLE="margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD>
    <TD COLSPAN="6" STYLE="font-size: 10pt; font-weight: bold; text-align: center">For the Three Months Ended<BR> September 30,</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD>
    <TD COLSPAN="6" STYLE="font-size: 10pt; font-weight: bold; text-align: center">For the Nine Months Ended<BR> September 30,</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">2019</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; font-weight: bold">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; font-weight: bold">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">2019</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; font-weight: bold">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; font-weight: bold">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 48%; font-size: 10pt; text-align: left">Sales</TD><TD STYLE="width: 1%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD><TD STYLE="width: 10%; font-size: 10pt; text-align: right">-</TD><TD STYLE="width: 1%; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="width: 1%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD><TD STYLE="width: 10%; font-size: 10pt; text-align: right">-</TD><TD STYLE="width: 1%; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="width: 1%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD><TD STYLE="width: 10%; font-size: 10pt; text-align: right">-</TD><TD STYLE="width: 1%; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="width: 1%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD><TD STYLE="width: 10%; font-size: 10pt; text-align: right">530,000</TD><TD STYLE="width: 1%; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt">Cost of goods sold</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">-</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">9,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">1,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">424,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.125in">Gross profit (loss)</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">-</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">(9,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">(1,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">106,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left">Operating expenses:</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.125in">Research and development, net of grants</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">796,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">980,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">2,563,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">3,133,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.125in">General and administrative</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">1,342,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">1,326,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">4,399,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">3,956,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.25in">Total operating expenses</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">2,138,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">2,306,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">6,962,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">7,089,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left">Loss from operations</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">(2,138,000</TD><TD STYLE="font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">(2,315,000</TD><TD STYLE="font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">(6,963,000</TD><TD STYLE="font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">(6,983,000</TD><TD STYLE="font-size: 10pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt">Interest income, net</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">30,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">23,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">100,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">24,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 2.5pt">Net loss</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">(2,108,000</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">(2,292,000</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">(6,863,000</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">(6,959,000</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">Net Loss per share</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">(0.08</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">(0.09</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">(0.26</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">(0.32</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">)</TD></TR>
</TABLE>



<P STYLE="margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD COLSPAN="9" STYLE="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Balance Sheets</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD COLSPAN="9" STYLE="font-size: 10pt; font-weight: bold; font-style: italic; text-align: center">(unaudited)</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="font-size: 10pt">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD>
    <TD COLSPAN="6" STYLE="font-size: 10pt; font-weight: bold; text-align: center">September 30</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="font-size: 10pt">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">2019</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; font-weight: bold">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; font-weight: bold">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; font-weight: bold; text-decoration: underline">ASSETS</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left">Current Assets:</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 74%; font-size: 10pt; text-align: left; padding-left: 0.125in">Cash and cash equivalents</TD><TD STYLE="width: 1%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD><TD STYLE="width: 10%; font-size: 10pt; text-align: right">8,077,000</TD><TD STYLE="width: 1%; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="width: 1%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 1%; font-size: 10pt; text-align: left">$</TD><TD STYLE="width: 10%; font-size: 10pt; text-align: right">8,949,000</TD><TD STYLE="width: 1%; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">1,999,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">6,923,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.125in">Contract assets</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">53,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">39,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.125in">Prepaid expenses and other assets</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">536,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">500,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.375in">Total current assets</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">10,665,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">16,411,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left">Fixed assets, net, and other assets</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">744,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">467,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt">Patents and other intangible assets, net</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">1,244,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">1,759,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 2.5pt; padding-left: 0.25in">Total Assets</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">12,653,000</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">18,637,000</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; font-weight: bold; text-decoration: underline; text-align: left">LIABILITIES AND STOCKHOLDERS' EQUITY</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left">Current Liabilities:</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.125in">Accounts payable and accrued liabilities</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">$</TD><TD STYLE="font-size: 10pt; text-align: right">816,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">$</TD><TD STYLE="font-size: 10pt; text-align: right">1,080,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.125in">Current portion of lease liabilities</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">176,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">216,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.125in">Accrued compensation and taxes</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">477,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">341,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.375in">Total current liabilities</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">1,469,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">1,637,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left">Long Term Liabilities:</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.125in">Long term lease liabilities</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">467,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">91,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.375in">Total liabilities</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">1,936,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">1,728,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left">Stockholders' Equity:</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.125in">Common stock, $0.0001 par value, 26,704,761 and 26,697,261&nbsp;&nbsp;shares issued and</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.25in">outstanding at September 30, 2019 and December 31, 2018, respectively</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">3,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">3,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-left: 0.125in">Additional paid-in capital</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">77,088,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">76,417,000</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.125in">Accumulated deficit</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">(66,374,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">)</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">(59,511,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 1pt; padding-left: 0.375in">Total stockholders' equity</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">10,717,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">16,909,000</TD><TD STYLE="padding-bottom: 1pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: right">&nbsp;</TD><TD STYLE="font-size: 10pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-size: 10pt; text-align: left; padding-bottom: 2.5pt; padding-left: 0.25in">Total Liabilities and Stockholders' Equity</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">12,653,000</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">&nbsp;</TD><TD STYLE="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">$</TD><TD STYLE="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">18,637,000</TD><TD STYLE="padding-bottom: 2.5pt; font-size: 10pt; text-align: left">&nbsp;</TD></TR>
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<P STYLE="margin: 0; text-align: right"><B>Exhibit 99.2</B></P>

<P STYLE="margin: 0; text-align: right">&nbsp;</P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[CLIR] - ClearSign Combustion Corporation</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Third Quarter 2019 Conference Call</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><U>Wednesday, November 13, 2019 5:00 PM
Eastern Time</U></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"><I>Company Representatives:</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in"><I>Matthew Selinger; Investor Relations</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in"><I>Brian Fike:; Chief Financial Officer</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in"><I>Jim Deller; Chief Executive Officer</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in"><I>Rob Hoffman; Chairman of the Board</I></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in"><I>Robert Kecseg; Las Colinas Capital Management</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in"><I>David Brown; Private Investor</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in"><I>Lawrence Hall; Private Investor</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in"><I>Jeff Feinglass; Private Investor</I></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B><I>Presentation</I></B></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">Operator: Good afternoon, and welcome to the ClearSign Technologies
Third Quarter 2019 Results Conference Call. [Operator Instructions] Please note this event is being recorded.</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">I would now like to turn the conference over to Matthew Selinger,
Investor Relations. Please go ahead.</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">Matthew Selinger: Thank you, operator. And welcome, everyone,
to ClearSign Technologies Corporation Third Quarter 2019 Results Conference Call.</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">During this conference call, the Company will make forward-looking
statements. Any statement that is not a statement of historical fact is a forward-looking statement. This includes remarks about
the company's projections, expectations, plans, beliefs and prospects. These statements are based on judgments and analysis as
of the date of this conference call and are subject to numerous important risks and uncertainties that could cause actual results
to differ materially from those described in the forward-looking statements.</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 risks and uncertainties associated with the forward-looking
statements made in this conference call include, but are not limited to, whether field testing and sales of ClearSign's products
will be successfully completed, whether ClearSign will be successful in expanding the market for its products, and other risks
that are described in ClearSign's public periodic filings with the SEC, including the discussion in the Risk Factors section of
the 2018 Annual Report on Form 10-K. ClearSign assumes no responsibility to update these forward-looking statements to reflect
future events or actual outcomes and does not intend to do so.</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">On the call with me today are; Jim Deller, ClearSign's Chief
Executive Officer; and Brian Fike, ClearSign's Chief Financial Officer. Rob Hoffman, ClearSign's Chairman of the Board, is on the
call as well and will be available in the Q&amp;A portion.</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">So with that, I would like to now turn the call over to Brian
Fike. Please go ahead, Brian.</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">Brian Fike: Thank you, Matthew. And thank you to everyone for
joining us today.</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">Before I turn the call over to Jim, I'd like to review our results
of operations for the third quarter ended September 30 of 2019. The net loss for the quarter ended September 30 of 2019 was $2.1
million compared to $2.3 million in the same period of 2018. Shares outstanding as of September 30 of 2019 were $26,704,761.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Our cash and investment resources were just over $10 million
at the end of the third quarter of 2019, compared to $11.6 million at the end of the second quarter. Our Q3 2019 cash burn represents
a reduction of $0.25 million from the third quarter of 2018 and is representative of our continued focus on costs and achieving
the best results possible from our expenditures. It is important to note that even assuming no revenue, if our expenditures remain
constant, we expect to have sufficient working capital available as of today to carry us to the end of 2020.</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">And with that, I would like to turn the call over to our Chief
Executive Officer, Jim Deller. Please go ahead, Jim.</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">Jim Deller: Thank you, Brian. And good afternoon, everyone.
And welcome to the first results call of the newly named ClearSign Technologies Corporation.</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">Many of you have seen the announcement regarding the name change
that was issued yesterday after the market close. In that release, we went into detail about the reasons for the name change. I
will start here today by talking more about this and the broader potential market opportunities for ClearSign that influenced our
decision to make this branding change. This will include an update on our sensing technology business and our marketing activities,
including the development of our new website, as all of these are related.</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">Over this past quarter, we have continued to develop our technologies
and optimize the configurations for use in the field. This is not only true for our combustion technology but also includes our
sensor technology. As we look to the future, we believe that the potential of our sensing technology is substantial, both in burner-related
applications but also in much broader markets.</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">While we are in the early stages of developing this technology
and our go-to-market strategy, we anticipate ClearSign business expanding out of the combustion space into much more diverse and
additional sectors. This is significantly different from the past vision of ClearSign Combustion and warrants the renaming and
branding of ClearSign for the future.</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">ClearSign is foremost a provider of technology rather than an
equipment supply company, in a combustion market which is primarily through ClearSign Core, which will be embedded in the body
of established combustion equipment manufacturers' products. After considering the breadth of potential markets opening to our
sensing technology, and that our business strategy and function in the market is as a technology company, the change in name to
ClearSign Technologies Corporation was obvious.</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">As the future potential of our sensing technology has featured
so prominently in the decision to change the company name, it makes sense to address this technology first, even though it is not
our most significant near-term path to revenue. I will note up front that a lot of what I will discuss regarding the future sensing
developments are possibilities and potential opportunities and are in no way guaranteed. Nevertheless, I want to take this opportunity
to explain what we see in the large and diverse opportunities possible for our sensing technology.</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 major markets we envision for our sensing technology beyond
combustion include markets such as transportation. While I cannot go into details, we do have some traction in this field. And
while this is very much in its infancy, and there are certainly no guarantees of the future, we do see a very great potential for
ClearSign in this market, which is exciting.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Looking shorter term and with more certainty. We are much further
advanced with our combustion sensing technologies. The science behind the sensor product is related to the old ECC technology but
differs greatly in this application. At its most simple application, our sensor [ finds ] means to detect the presence of a flame.
That is whether it is on or off. This in itself is not unique, as there are other well-established technologies able to do this
in the industry today. But all of these have significant drawbacks, generally including longevity, reliability and/or response
time.</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 ClearSign sensor, which have branded ClearSign Eye, has
the capability of providing an instantaneous indication of a presence of a flame without the need for any components to be positioned
inside the flame itself. It is also comprised of robust components that can be positioned upstream, which in most cases will be
below the flame in the much cooler combustion air.</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">In terms of the capability of this technology, this application
utilizes and demonstrates very little of what the technology can do. But in the interest of developing our business as quickly
as possible, we see this simple application as the best first manifestation to launch. And even in this simple form, the technology
has received great interest from customers with whom it has been presented.</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">ClearSign Eye will be included in an ongoing project on a demonstration
basis, running it parallel with the conventional flame safety equipment the client would normally install. While this is a small
item with a burner, the great appeal is that this equipment is as equally applicable to traditional burners as it is to those fitted
with a ClearSign Core. And the benefits are not limited to environmental regulations or highly fired furnaces but to any customer
frustrated with the limitations of current flame sensing technology. In other words, the total available market for ClearSign Eye
on/off sensors is significant.</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 really intriguing aspect of this technology as applied to
burners is the capability to detect not just the presence of a flame but the character of a flame, which can be related to air-to-fuel
ratio, intensity or instability. We believe that this functionality is unique in the industry. If this can be successfully productized,
it will enable the provision of a device that could not only detect when a flame is present or not but also give an indication
when something is starting to go wrong, giving the operator the opportunity to avoid a problem rather than just react to it when
it happens, a little like a low tire pressure warning light on a car. This capability has been demonstrated to customers visiting
us in Seattle and also presented in recent technical conferences.</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">For full disclosure, this health monitoring function, unlike
the aforementioned on/off detection capability, is proven at bench scale. But the hardware to implement it is not fully proven
in a full-scale operational burner. And it is not fully developed nor ready for commercialization yet.</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">However, given that it is an extension and is planned to be
a continuing development from our on/off sensor, it is worth discussing in the context of it being one area of the future potential
of the ClearSign sensing technology and an insight into the role this may play in the future.</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">We should also point out that when commercialized, a ClearSign
Eye installed to monitor the health of a flame should have an extremely high return on investment and payback period for the customer.
In most industrial settings, productivity is priority number two, closely behind safety. And the attributes of a ClearSign Eye
that enable the operation of equipment to be prolonged addresses throughput head on.</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">Within the next few weeks, the ClearSign website will be re-launched.
This will be a brand new website, rather than revamp of the old one. This website is the face of the company and reflects some
of the changes we have made internally as well as our collaborative business strategy. The site itself will provide new insight
into ClearSign, with demonstrations and explanations of our new technology. Additionally, it will be structured to reflect the
new operation of ClearSign and the incorporation of collaborative partnerships and ClearSign Core into the ClearSign business model.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The new website will be customer and business focused and will
be set up to facilitate the addition of new partners and products as the ClearSign business strategy progresses. We have strived
to develop this website not only to serve our customers but also our partners, including prospective partners and our investors
and the investment community at large.</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">In addition to the development of the website and a rebranding
of the company is an increased focus on the needs for market and strategic product line development. In this, I'm not so much focused
on advertising but on the methodical optimization of our product lines, the management and development of our strategic partnerships
and the direction of our ongoing product and resource development; all to maximize our future returns form the market opportunities
available to us.</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">While we're watchful of costs and avoiding a significant headcount
increase, we are adding new expertise to strengthen this product line management function. We have an employment agreement with
a great candidate who starts this next week, who will be based in our Tulsa, Oklahoma office.</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">Let me get back to our [ all-important ] process burner technology.
In our last call back in August, we discussed the need to adapt our technology to make it easy for customers to implement and outlined
the path ahead of us as we commercialize our technology. These efforts are to establish it as the mainstream solution to restore
fire heater productivity as well as to achieve efficient emissions compliance in the environmentally conscious regions of the world.
Through this past quarter, we have been acting on this plan and have made great progress. We appreciate the fact that there has
been little news released, but there has been a lot going on behind the scenes, as is clear from the Exxon announcement made on
October 18.</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">It is an element of this business that publicity related to
orders, plans and agreements with our major customers we seek is often, and will undoubtedly continue to be, carefully reviewed.
Frequently, the terms of our contracts will have binding restrictions on the content and timing of public announcements, which
will have a bearing on when formal announcements can be made.</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">While we reserve press releases for material announcements,
for those interested, we are providing lower core nonmaterial updates via our LinkedIn page and website. These have included updates
of partner activity, such as promotions by ASHCOR and California Boiler; and details of conference activity and the presentation
of technical papers covering both our technologies and sensing technologies.</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 order from ExxonMobil is very significant for ClearSign,
not just because of the customer but also because of the reason the order was placed and the multiple benefits it initiates for
the ClearSign business and combustion and sensing technologies. The ExxonMobil engineering order is the first stage in the supply
of burners for a heater in a major refinery in the United States Gulf Coast and is the next step in the progression of ExxonMobil's
assessment of ClearSign's technology as a solution for emissions compliance going forwards.</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">It is clear from my conversations with ExxonMobil personnel
that they fully appreciate the benefit to ExxonMobil of avoiding the need to fit an SCR, a selective cathodic reduction system,
to many of its existing heaters and the value and benefits of a plug-in, not an SCR alternative.</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 benefits of ClearSign technology have fueled the motivation
behind the already substantial investment ExxonMobil has made in its evaluation of ClearSign Technology. This project and evaluation
is spearheaded by the most senior engineers in the ExxonMobil research and engineering division. The effort and care they have
taken is extreme. And without guarantee, we are optimistic that the ClearSign solution is being seriously considered as part of
ExxonMobil's future emissions compliance plans. Beyond the obvious value of such an endorsement by a company with the industry
reputation of ExxonMobil and the potential sales opportunities presented by it alone, the process and rigor we will follow to complete
the industrial readiness of our process burner ClearSign Core technology with ExxonMobil over the next few months is hugely exciting.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Putting on my business-focused R&amp;D hat, having such a high-caliber
customer tell you exactly what it wants and needs and working with you to incorporate those capabilities is extremely valuable.
Our deliverables from this stage of the order are due before the end of this year. Work is well underway and on track to meet this
commitment. Of course, we expect this work to develop into a follow-up order for the supply of burners for installation and has
already identified multi burner heater.</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">Turning to our collaborative partnerships. The discussions are
ongoing and progressing. We have good engagement with prospective partners who have expressed their intent to move forwards with
us and who have done their research regarding the technology and business opportunity for them. These parties are both in the domestic
USA and international. The procedures being followed in our deliberations with the different parties vary. But generally, in addition
to resolving how we will operate together, some include a performance demonstration of the technology in either their test furnaces
or at third-party sites.</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">In some cases, the partners are electing to invest engineering
and fabrication resources to develop their version of a commercialized product, encompassing a ClearSign Core for its testing.
While such a substantial investment both in terms of finances and resources demonstrates their sincere interest in partnering with
ClearSign, in the cases of possible partners opting to carry out this pre-engineering and testing, it is an activity that needs
to be completed, along with the finalization of our contracts, before we will be in a position to make any formal announcements.
So keep in mind there has been and will be a lot of continued activity behind the scenes.</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">In terms of a commercial launch, should this be with a partner
who has already gone through pre-engineering and testing as part of its due diligence, we anticipate that the needs for further
engineering and testing following the signing of an agreement will be minimal, more akin to reordering.</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">In this industry, these steps are necessary and would always
need to have been completed before an agreement is struck. The main point here is that while we haven't announced an agreement,
there are a lot of prerequisites being completed and that need to be completed before an agreement can be entered into, and we
are moving through those. We look forward to completing this process. And as soon as there is a signed agreement, we will make
an announcement. But until then, I ask for your understanding as negotiations and selections are underway. I am cautious of disclosing
information that may have an adverse effect on any of the final agreements that may be reached with ClearSign.</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">I returned from my most recent visit to China just over 2 weeks
ago. As a quick reminder, last heating season, we were successful in achieving positive performance in the water-tube boiler we
have been working on, but there were still modifications we wanted to make prior to requesting certification from the Chinese approval
bodies. Since then, we have incorporated some proven features from our fire-tube boiler burner design and fine-tuned the details
of the burner. The modified parts have been fabricated locally in China. And our team members, with the assistance of Chinese contractors,
recently completed all the said modifications, and we are ready for the heating season.</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">We also anticipate a successful firing of the 5G boiler burner,
since it has operated successfully here in Seattle. And the exact burner will shortly be removed from here, crated up and shipped
over to China for installation in a similarly-sized boiler there. Assuming successful results, the anticipated formal performance
certification of both our fire-tube and water-tube technology by the Chinese government will be a significant step forwards towards
the commercialization of our technology in China. Basically, this will provide the formal ratification of our technology that our
various prospective Chinese business partners require prior to initiation of their possible association with us and the development
of our business infrastructure.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">There are more details about our Chinese market opportunity
in the investor deck on our website. But the crux is that there are approximately 350,000 boilers in heating districts that are
also in emissions nonattainment zones. And we believe the total is close to 500,000 if we also consider industrial boilers. The
Chinese government is acting decisively to achieve their clean air goals, and we fully expect this to drive the conversion of these
boilers to superior low-emissions technology. I can also report from my customer visits, that technology is well liked and more
capable compared to the other more complex NOx-reducing systems deployed to date. With the validation of our boiler burner technology
in China anticipated this season, you will appreciate that negotiations and the status of our business structure in China is not
finalized at this time. And there are conversations and decisions underway.</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">As ClearSign has a subsidiary, ClearSign Asia Limited, registered
in Hong Kong; and ClearSign Combustion environmental technology Beijing limited, a wholly owned foreign enterprise, commonly known
as WOFE, as a subsidiary of ClearSign Asia; we have many viable options open to us. We have expressed interest from major Chinese
companies in addition to equipment manufacturers, as evidenced by the CITIC and Beijing District Heating Group MOUs that we have
discussed on earlier earnings reports.</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">From my last visit, I can confirm that interest by third parties
in joining us in this venture is great. Given that the testing of both our small and large burner technology is expected to be
completed this season -- and, of course, assuming a successful result -- we anticipate being able to finalize our business structure
for this market in the reasonably near future. We expect to make an announcement or announcements with details of these agreements
as they are confirmed.</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">Turning the attention back domestically. We are on track for
the delivery of our World Oil and the South Coast Air Quality Management District orders. Orders for the equipment fabrication
and the onsite installation have been placed. At this time, we also believe the other parties involved are on schedule, and we
are looking forward to a successful startup in Q1 2020.</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">This will be the first commercial multi-burner installation
for ClearSign and a very prominent reference for us going forwards. As part of the overall projects, there will be independent
third-party emissions measurements taken as soon as the heater is up and running at a steady normal operating rate, [ amongst the
] measurements taken and logged following that. As the South Coast Air Quality Management District is a public entity, these results
will be publicly available for refinery operators, investors, the public and the press.</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">Our cash consumption and balance sheet are always on our minds,
and it is pertinent to address them at this time. Through improvement in our operational efficiency, we continue to reduce the
rates at which we consume our cash reserves. These savings are as a result of both operational discipline and a consistent focus
on our strategic goals. I want to emphasize that top priority is getting to full commercial operations quickly, and we manage our
cash not in comparison to time but in comparison to progress. Or to put it another way, we are very watchful that while we focus
on not wasting money, we make sure we do not hinder progress towards our commercialization goals.</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">As our CFO, Brian Fike, stated in his comments at the start
of this call, we significantly reduced our cash burn again this quarter. And we currently have over a year's worth of cash on hand
without considering any inflow of cash from operations, possible investments by others in our Chinese operation or elsewhere, or
the possible sale of the patents we are trimming from our portfolio.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">I want to take a moment here and thank the ClearSign team for
their diligence which has made this possible. Everyone has been extraordinary in their efforts in helping us achieve our savings
targets.</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">In closing. I want to express how encouraged I am regarding
the progress of our partnerships and excited about the future of the technologies that the company presents to the marketplace.</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">With that, I will ask the operator to open the call for Q&amp;A.
Operator, can we please take questions now?</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><I>Questions and Answers</I></B></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">Operator: [Operator Instructions] Our first question comes from
Robert Kecseg, with Las Colinas Capital Management.</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">Robert Kecseg: Yes, I was going to say as far as the collaborations
go -- I know that's ongoing -- do you think it will be to the company's advantage for these two individual refineries to go forward
and come to some sort of agreement post those installations, [inaudible] company's advantage?</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">Jim Deller: Can I ask for clarification? Which two refineries
are you referring to?</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">Robert Kecseg: Exxon and World.</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">Jim Deller: Yes. So the World Oil project -- the execution of
these orders does take time. The World Oil project is well underway and is actually due for startup in Q1 of next year. So the
fabrication of those burners is in progress. We are on track to meet that deliverable. But in order to do that, we are much further
down the path with that project than would allow us to work with a potential partner at some time in the near future.</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">Regarding the Exxon -- and at this point, we're assuming there
will be no order forthcoming. I mean, just for clarification, that's not been confirmed, but we're certainly very optimistic. And
assuming that we do get a partnership finalized in an appropriate time, it would certainly be my intent that that order would be
executed with the new partners, so that the new partner burners would be demonstrated and we would have equipment in the field
that is built and proven in the way that we will continue to do business going forward beyond that. So it's really down to timing
of it, yes. That's certainly our preference.</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">Robert Kecseg: And then, the other thing, on timing -- I'm trying
to stay away from the collaborations, because that's just going to happen whenever it happens. But in the case of the Chinese --
I'm just looking at the ones that we know that we're working on independently, as a separate entity -- as far as China goes, since
we're now beginning the heating season, is there some time frame at the other end of this to where -- in other words, is there
a window, is there the other end of the window, to where we can hope to hear something come forward with that? In other words,
since we're at the beginning of the window for heating season, and it seems to revolve around the heating season, there's obviously
an end to that. So do we need to think that we should hopefully hear something somewhere between now and the end of the heating
season? I guess that's what I'm trying to say.</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">Jim Deller: Yes. Well, first of all, you're absolutely right.
The burners that we are demonstrating and the very large target market that we have in China is very much focused on the heating
needs. They appreciate, in the cold region of China, all the domestic housing and most of the offices are heated by these heating
districts. If you think of the size of China, that's a huge market for us.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">For timing, the ClearSign burner in the water-tube boiler is
ready to go. You'll appreciate that in China, the heating district starts on a specific date, which is right about on us. There's
a lot of activity at that time. Given that ours is a new installation, we will start it up very soon, but we may not start on the
very first day just because of how much is going on in their routine boilers. But certainly within the next few days following
that, we expect to be starting up as we get the burner up to rates. And assuming that everything works well, and we are able to
get the approvals and the performance that we need, certainly, we will be sharing news. And we hope that that will be before the
end of the heating season. As soon as we have that good news, and we've got something confirmed that we can publicly announce,
we will do so.</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">Robert Kecseg: And then, the arrangement you already have with
[ Ashmore ] on the flares, since they're the ones working on that and trying to place orders in that area -- and I believe you
said in the past that you have a product that they're marketing -- is there some belief that in the not-too-distant future something
will become of that? Do you think there'll be something coming forth as far as the installation there?</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">Jim Deller: I do. We have been working diligently with them.
I think in this last quarter, you'll have seen the promotional material that ASHCOR have actually published. And if you haven't,
we have referenced that on the website. As you've seen, we also connected ASHCOR with California Boiler to introduce them to the
California markets. And California Boiler, incidentally, have been promoting all of the ClearSign product range and see us as a
very good opportunity for them.</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">We have attended conferences with ASHCOR. We are visiting their
clients. Plus it's in our interest to assist them with the promotion of ClearSign technology. And we truly believe in taking our
destiny into our own hands and not just sitting back and waiting on our partners to do that for us. So we are working with them
very closely. We do have technology developed. The ClearSign Core technology is embedded in the designs of ASHCOR [ players ],
and we do have customer proposals out. So we are looking forward to orders.</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">Robert Kecseg: And I guess the primary thing in China was the
water-tube. And to back that up is the fire-tube. Is that fire-tube, is that not necessarily connected to the heating season? So
that would be something that we could maybe look forward to beyond the heating season? Am I thinking about that right?</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">Jim Deller: Yes. And just for everyone, although we had the
water-tube boiler burner installed in China first, the very large volume of fire-tube boilers there is a very substantial opportunity.
So I'm not sure I see one as being primary and one secondary. It was just one that we took to China first. But they are both very,
very significant markets for us.</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">Robert Kecseg: I'm just asking, is it limited to the -- is the
other one, the fire, is that limited to the heating period? Or is it beyond that?</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">Jim Deller: It does go beyond that. The majority of the boilers
in China are for heating purposes. But there are more of the fire-tube boilers also in other applications and industrial applications
which are not strictly focused on heating and therefore run through the year. So the majority of the applications are for heating.
But there are year-round needs for those burners.</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">Rob Hoffman: Robert? This is Rob Hoffman. I just wanted to clarify.
I think your first question, if I understood it, you were asking whether supply agreements would have to wait until we prove success
with World Oil and Exxon. And if that's the question, the answer is no. So we won't have to wait until those are proven. The supply
agreements are moving forward on their own. Is that part of the question that you had?</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Robert Kecseg: Yes. I was kind of looking at it from the other,
kind of the reflection of that. I was just saying, to our benefit, from our standpoint, if just one of those projects moves forward
and we have an installation -- and that get good measurements, they get good results and it runs for a while -- is that going to
be a benefit to us in inking something collaboratively? Because look at what we have. I mean, we've done this now for somebody.
And then, I'm assuming the World Oil one will have a chance to show itself first, and then followed up by the Exxon one. I just
wondered if that would give us an advantage, actually, is kind of the way I was thinking of it, the demonstration of it with real
companies and real operations.</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">Rob Hoffman: I'll let Jim answer [inaudible].</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">Jim Deller: Yes, I can. I mean, Bob, your point -- having an
installation like the World Oil installation up and running will we give great confidence to our customers and to our partners
alike. Regarding timing, our partners that we're working with have expressed sufficient confidence in ClearSign technology that
the startup of the World Oil Project is not a precursor to signing an agreement.</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">Operator: The next question is from David Brown, a private investor.</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">David Brown: Yes. Exciting to hear the news about the ClearSign
Eye and the combustion sensor, so congratulations on that progress.</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">I have a little bit of a follow-up question on fire-tube boilers
and the package boiler space that was thought to be by previous management a homerun about 2 years ago, if we could get down to
5 PPM at 3% oxygen, and we achieved that. Is there some North American component of that still going on, besides the Chinese component?</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">Jim Deller: Yes, there is, absolutely. And previously, we talked
about ASHCOR. I mentioned -- or the company, California Boiler. Obviously, by their name, that gives you a very good insight into
where their primary focus is and actually the main part of their interest in ClearSign. We are pursuing partnerships in the domestic
USA for the boiler burner business. We are primarily focusing on China, or at least talking about China, just because of the size
of that market. But there is a market for the burners here in the USA. And as we progress, we're also developing our business channels
and structure to address that USA market.</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">David Brown: Also, how is our progress with the regulatory agency,
the Southern California Air Quality Management District? I know we were working on getting our -- what was then called Duplex technology
into working with them to get that to be best available control technology with them. Have we achieved that label with them at
this point?</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">Jim Deller: We are making very good progress there. The World
Oil project is actually -- the South Coast Air Quality Management District have made an equal investment in the World Oil project
as World Oil. The focus of that project for them is to prove ClearSign technology as best available combustion technology. So the
startup of these burners and the verification from the data that we will collect afterwards is for the purpose of confirming ClearSign
Technology as best of [ both ] for BACT.</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">David Brown: So I'm just really excited about the opportunity
in China. I know it's been rather a long time coming, but it sounds very exciting. It's obviously a huge market. So full steam
ahead on that.</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">Operator: The next question is from Lawrence Hall, a private
investor.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Lawrence Hall: I, too, am excited about China, although I may
have misinterpreted some of your comments. And I'm beginning to think the time line for revenue generation may be pushed back.
Let me ask some basic questions similar to your first speaker, but from maybe a little different angle. There's a little confusion,
certainly on my part, on when the heating season begins and ends. And I assume it may differ from district to district. It begins
in Beijing District November and ends in, I don't know, April?</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">And then I had some follow-up questions I wanted to ask on [inaudible].</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">Jim Deller: Yes, the Chinese government actually sets the start
date of the heating season and is right at the middle of November. They can push it back and forth by a few days. But it's right
at the middle of November. And it runs through -- I believe it runs through March.</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">Lawrence Hall: Are you running pilot demonstrations on both
the fire-tube and the water-tube boilers?</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">Jim Deller: We are. The water-tube boiler burner in its new
improved form is installed, it's ready to go. And as I said earlier, we're not planning to start that up on the very first day,
just because there is so much going on. You'll appreciate they're starting up thousands of boilers on the same day. So we don't
want to get tied up in that. But within the next couple of days after that, we will be starting that burner up. The fire-tube boiler
burner is actually being prepped for crating at the end of this week and will be shipped to China to be installed in a very similar
fire-tube boiler there in China and going through the same demonstration and verification process as the water-tube boiler.</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">Lawrence Hall: On the water-tube boiler, I was under the impression
that you in the past had not been able to reach whatever the agreed-upon standards were. But your comments today made me believe
that you did reach those standards, mutually agreed standards, between ClearSign and the Beijing District. Is that the correct
interpretation?</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">Jim Deller: We have demonstrated good performance before. We
have not met all of the criteria in the previous heating season, but we did learn a lot. And we've also taken what we've learned
on the fire-tube boiler burner and extrapolated that and reengineered it for the larger size of the water-tube boiler. And that
was the main component of the change that we've installed in Beijing. And we fully expect to meet the agreed operational requirements
this season. We did not quite meet all of them at the end of the last season, so we have some small improvements. Because, of course,
when you demonstrate it, you want to demonstrate the entire capabilities of the technology. [Inaudible].</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">Lawrence Hall: Would the demonstration relative to your MOU
with the Beijing District, would it go through the heating season? Or could the Beijing District say everything looks great, let's
move on to discussing a definitive agreement?</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">Jim Deller: Okay. So there's multiple parts to that. And for
clarity, I'll try and take them one at a time.</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 length of the testing is actually being negotiated. It is
not expected to be the length of the season. We need to get to a steady rate. Obviously, our interest is we want to keep it as
short as possible just to move on to the next phase. But I truly can't answer the question, because there is an open negotiation.</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">Just to confirm a statement you made in your question, for clarity
-- we do have an MOU with the Beijing District Heating Group of the nature of a future collaboration. While we're certainly talking
to them, it's not guaranteed at this point. We do have to go through the negotiation process to reach an agreement.</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">Lawrence Hall: From your comments today, it sounded like before
an agreement could be reached that the Chinese government, or whatever agency is responsible, would have to certify these devices.
Is that the correct interpretation? And if so, I'm a little bit worried, since I assume, governments being governments, it could
take quite some time.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Jim Deller: So the official testing is one and the same. It
is what was referred to when I answered the first part of your question. I do not anticipate any delay in that part. We are aware
of the testing and have taken action to make sure that it will be provided on a reasonable schedule for us. It's not guaranteed;
we are dealing with the government in China. But I do not anticipate great delay in getting that measurement done.</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">Lawrence Hall: You mentioned, and I've seen in the past, couple
different figures on the number of boilers in China. I assume that the first or most likely first agreement in China would be with
the Beijing Heating District. And I guess my question is, how many boilers might be applicable for that district in a potential
agreement?</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">Jim Deller: So first of all, the nature of an agreement that
relates to our business structure and how we operate in China would be different from a sales order. Certainly, we are looking
to some of these very influential major partners as potential allies in both. But what I can say is, on my last visit to China,
we met with some very senior people within the Beijing District Heating Group. They are very enthusiastic about our technology,
the same as the operators that we spoke to on the ground level. They do not like some of the complexities that they incur with
the other technologies which are being installed. And they are just waiting for our technology to be proven, so that they can then
implement it. And that actually is one of the really big reasons for my excitement about China. It's really nice when your challenge
is really what's in your control, and you believe the market is there waiting for you.</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">But the heating districts are huge. There are so many boilers
there. But the nice thing about heating season -- I know the heating season is limited, but what it means is that there is some
downtime between them. So there is actually a very good opportunity for the installation of replacement burners. Whereas if you
look at something like a traditional oil refinery, one of the big challenges when you're looking to sell and install equipment
is you have to schedule that around their very rare shutdowns, which may be years apart. So there's actually very good opportunity
for this.</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">Lawrence Hall: To approach that from a slightly different angle,
does that mean that basically installations you would do for the heating industry in China would largely be limited to, what, 7
months a year?</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">Jim Deller: Yes, to the nonoperational time for the heating
districts.</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">Lawrence Hall: And back to a previous point -- assuming everything
goes well, and assuming some type of agreement relative to the Beijing District is made, would a reasonable assumption for calendar
2020 be, I don't know, 10 burners installed, 20 burners? Can you give any kind of a rough estimate?</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">Jim Deller: I think you have to think that right now, we are
proving the technology to get it established. The early stages of any product introduction are going to be much slower than you'd
anticipate for regular business once you have manufacturing channels and a proven technology widely dispersed throughout the market.
So I think the assumption is that it will be a much bigger business, after we've got, say, a season of both infrastructure development
and the early adopter demonstrations completed, is reasonable.</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">Lawrence Hall: I mentioned my assumption before that China was,
in my mind at least, the most likely big revenue generator for ClearSign in the near future. Is that a correct assumption? Or could
somehow Exxon finally get [inaudible]?</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Jim Deller: I think China is certainly a very, very big opportunity
for ClearSign, with a very immediate need. It's the perfect fit. I also, though, am very excited, especially about the process
heater market in the United States, especially with California and Texas, and the feedback we're getting from the customers we're
talking to in the domestic U.S. as they work out the best options for them to tackle the anticipated future emission requirements.</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">So China is certainly a very big market. I think time will tell
whether that is the biggest or whether it's actually the U.S. process heater market. Or in fact, looking further down the road,
it may even be that sensing technology overlaps all of those. But that's a long way off. [Inaudible].</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">Lawrence Hall: Go ahead, sorry.</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">Jim Deller: I was just saying, I think it will be a balance
between the process heaters in China, and I think time will tell.</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">Lawrence Hall: You mentioned the sensing technology. Back in
-- I believe it was the May conference call of last year, under the old management, a statement was made that several technical
developments show expansion into new end markets such as aerospace, marine and gas turbines. I assume that things didn't work out
in those areas, and it's now in the area that you described earlier in the call about sensing on flame?</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">Jim Deller: So the sensing technology is -- as we've developed
it, we've really seen the technology we've got and worked out how we can best take this to market in a marketable product. The
essence of it is a hydrocarbon and mix or a flammability sensor that can be applied to flames, which is obviously the first deployment
of -- and when you look at the likes of transport, and wherever there is a fuel system in place, it has an application there.</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">Lawrence Hall: I'm going to throw this one out. I'm not sure
you can make any comment about it. But it's all kind of leading to the bottom line of what kind of revenue generation might be
expected in 2020, and whether ClearSign will -- if it's not sufficient, whether ClearSign would have to go to another stock offering
or an equity investment or some other means to fill the gap between the operating cost and the revenue generation. I don't know
whether you could make any comment about that, but I thought I'd throw it out for anything you'd care to say.</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">Rob Hoffman: Jim, I'll take this one.</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">Jim Deller: Yes, thanks, Rob.</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">Rob Hoffman: Lawrence, this is Rob Hoffman.</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">And I know you didn't mention it explicitly, but we filed an
F-3 shelf registration back in, I think it was July. And we've gotten some questions about that. And I just want to point out that
filings like that are good for 3 years, and always considered prudent financial management to have one in place. So I don't think
having a shelf is indicative of anything other than prudent financial management.</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">And I think we should also -- well, I'd like to reiterate what
Brian Fike, our CFO, and Jim stated in their comments, that we have over a year's worth of cash on the balance sheet. And again,
that assumes 0 revenue. Jim and the team have done a great job reducing the burn rate, while at the same time making significant
progress he's talked about in getting our products to be commercial ready. And so when you think about our burn rate and our cash
balances, going forward, the only reason for expenses to ever rise will be in conjunction with revenue coming in the door. So in
other words, I think that that burn rate is pretty -- or the length of time we have is pretty good.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">And so Jim also commented about, coming back from Japan, there
are a number of entities who have expressed interest. They've done it in the past and reiterated that interest in partnering with
us in China. And so we've mentioned that they have an interest in partnering with us. So when we demonstrate success, we think
we'll be able to talk about that.</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">And I guess, just for those who fear dilution. I just want to
mention that in addition to being chairman of the Board of ClearSign Technologies, I am the general partner of something called
Clear SPV LLC. And Clear SPV is the owner of close to 20% of ClearSign Technologies, and Clear SPV owns common equity. In other
words, we're on the same place in the capital structure as everyone else. So to connect all those dots, our collective goal, meaning
for both the SPV, Clear SPV, and all common shareholders, is success. So I think that's the -- hopefully, that helps answer the
question you just had.</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">Lawrence Hall: Yes. I knew most of what you've mentioned. Maybe
I knew it all. I guess, part of the reason I bring the point up is the CFO generally starts each quarterly conference saying we've
got cash to -- I guess this time, it was beyond 2020. And I'm just having a little difficulty with that statement. I'm not saying
it isn't accurate. Maybe would give us the impression that you and the rest of the board members would be willing to take the chance
of coming awful close to 0 cash in the bank before you tried to replenish it, or might go to that route. And I have a lot of difficulty,
maybe incorrectly, believing that you would do that. So that was part of the reason.</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">Rob Hoffman: Well, I think you have to remember that the entire
board, and Jim and Brian, we're cognizant that you don't want to go to 0. But there's a lot of progress to be made in the coming
months that we look forward to announcing. I'll leave it at that.</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">Operator: The next question is from [ Jeff Feinglass ], a private
investor.</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">Jeff Feinglass: Part of my question was just answered by Rob.
But you said this in your comment, and then Rob did as well, when you mentioned part of the Beijing Heating District. And I think
you said CITIC partnering -- and I'm using air quotes; you can't see that -- with ClearSign. Does that mean partnering from a manufacturing
standpoint? Or does it mean something like investing in or acquisition of -- you mentioned the Chinese subsidiary and both the
Hong Kong subsidiary as well. So it led me to kind of infer, maybe wrongly, that it may mean something more than just manufacturing
and buying burners, maybe being a financial partner as well in the ClearSign structure.</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">Jim Deller: I've actually met with the some of these lead guys
[ actually ] twice now. They see what we're doing. They're aware of the installation that we have with Beijing District Heating
Group, and they're aware of our business plans and the opportunity for technology like ClearSign's in China.</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">I think, to be honest, the answer to your question is all of
the above. They're interested in or combined with the other large group we talked about, the Beijing District Heating Group, in
using the technology in [ with us ] building and manufacturing the technology. If we need to develop some infrastructure in China,
they have expressed an interest in talking to us should there be a role for them to play in a development like that also.</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">Of course, back to the importance of getting the technology
proven in China, that is a general requirement and one that they have expressed also. But given that they are, obviously, a very
good friend of ClearSign's in China, and they have expressed an interest really in working with us in whatever manifestation makes
the best sense for the business, and, of course, for them at the same time.</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">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Jeff Feinglass: And I may be putting words in your mouth, but
by that comment, I mean, they could be a financial partner with us as well, or an investor in ClearSign in Asia or otherwise?</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">Jim Deller: That is a possibility. And you talk to a lot of
people about ideas, that is something we do believe is available should that be something that we want to do.</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">Operator: This concludes our question-and-answer session. I
would like to turn the conference back over to Jim Deller for any closing remarks.</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">Jim Deller: Thank you.</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">If there are no further questions, I'd like to thank everyone
for participating on the call today. And we do look forward to updating you on our progress as events occur.</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">We do appreciate your continued support. And thank you.</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">Operator: This conference is now concluded. Thank you for attending
today's presentation. You may now disconnect.</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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