<SEC-DOCUMENT>0001104659-20-106154.txt : 20200917
<SEC-HEADER>0001104659-20-106154.hdr.sgml : 20200917
<ACCEPTANCE-DATETIME>20200917172027
ACCESSION NUMBER:		0001104659-20-106154
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20200915
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20200917
DATE AS OF CHANGE:		20200917

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:		201181930

	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>tm2031223d1_8k.htm
<DESCRIPTION>FORM 8-K
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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>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): September 15, 2020</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;&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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    <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 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>
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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: 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: 32%; border-bottom: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Title of each class</B></FONT></TD>
    <TD STYLE="width: 2%; 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: 2%; 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; text-align: right; margin: 0pt 1in 0pt 0">Emerging growth company&nbsp;<FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.5in">&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.&#9;&#9;<FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></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">&nbsp;</TD>
    <TD STYLE="width: 96px"><B>Item 7.01</B></TD>
    <TD><B>Regulation FD Disclosure.</B></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 September 15, 2020, ClearSign Technologies
Corporation (the &ldquo;Company&rdquo;) issued a press release announcing the results of operations for the six months ended June
30, 2020 (the &ldquo;second 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 September 15, 2020, the Company
held a conference call discussing the second 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
by reference in its entirety into this Item 7.01.</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, 2019
filed on March 30, 2020 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">&nbsp;</TD>
    <TD STYLE="width: 96px"><B>Item 9.01</B></TD>
    <TD><B>Financial Statements and Exhibits</B></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="tm2031223d1_ex99-1.htm" STYLE="-sec-extract: exhibit">Exhibit 99.1</A></TD>
    <TD><A HREF="tm2031223d1_ex99-1.htm" STYLE="-sec-extract: exhibit">Press Release issued September 15, 2020</A></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><A HREF="tm2031223d1_ex99-2.htm" STYLE="-sec-extract: exhibit">Exhibit 99.2</A></TD>
    <TD><A HREF="tm2031223d1_ex99-2.htm" STYLE="-sec-extract: exhibit">Transcript of Conference Call held on September 15, 2020</A></TD></TR>
</TABLE>
<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></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: September 17, 2020</P>

<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; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="3">CLEARSIGN TECHNOLOGIES CORPORATION</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 35%">&nbsp;</TD>
    <TD STYLE="width: 12%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ Brian G. Fike</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Brian G. Fike</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Chief Financial Officer</TD>
    <TD>&nbsp;</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>&nbsp;</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>&nbsp;</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"></P>

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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>tm2031223d1_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
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<P STYLE="text-align: right; margin: 0"><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">&nbsp;</P>

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

<P STYLE="margin-top: 0; margin-bottom: 0; text-align: center">&nbsp;</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 Second Quarter 2020 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 5pm ET (2pm PT)</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">SEATTLE, September 15, 2020 &ndash;ClearSign
Technologies Corporation (Nasdaq: CLIR) (&ldquo;ClearSign&rdquo; or the &ldquo;Company&rdquo;), an emerging leader in industrial
combustion and sensing technologies that improve energy, operational efficiency and safety while dramatically reducing emissions,
today provides an update on operations for the quarter ended on June 30, 2020.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&ldquo;ClearSign has been able to cross some very significant
milestones these past few months,&rdquo; said Jim Deller, Ph.D., Chief Executive Officer of ClearSign. &ldquo;In June we were able
to announce the multi-unit purchase order from ExxonMobil, a project that we had been working towards for three years. On the heels
of that, a few weeks ago, we announced the completion of the collaboration agreement for our process burner technology with what
we believe can only be described as the perfect global partner, Zeeco. This agreement with Zeeco completes another significant
milestone in our commercialization strategy and the tangible development of our process burner business that we laid out mid-2019,&rdquo;
said. Dr. Deller. &ldquo;We are very optimistic as we move into the burner testing process for ExxonMobil at our new partner&rsquo;s
test facility, and look forward to completing this phase of the project, at which time we expect to be able to confirm to our customers,
new partner and the market at large that ClearSign burners are proven to be ready for wide scale industrial deployment,&rdquo;
continued Dr. Deller. &ldquo;Additionally, going forward, we are looking forward to the installation of our first burner pilot
sensors, getting performance feedback from customers and moving towards the formal launch of the initial ClearSign Eye&trade; product.&rdquo;</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">&ldquo;Recent developments have opened the way to start back
up and re-engage our boiler burner demonstrations in China. We expect the demonstrations to be solidly underway as soon as we have
feet on the ground and the ability to coordinate the much anticipated installation, operation and certification of our fire tube
boiler product.&rdquo; &ldquo;It is encouraging to see traction in multiple lines of our business,&rdquo; concluded Dr. Deller.</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">Recent strategic and operational highlights during and subsequent
to the second quarter 2020 include:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD><B>Executed Public Stock Offering:</B> The Company completed an offering of 2,587,500 shares of its common stock at a public
offering price of&nbsp;$2.00&nbsp;per share.&nbsp; The total offering included 337,500 shares issued as a result of the underwriter's
exercise in full of its over-allotment option.&nbsp;Gross proceeds to ClearSign from this offering were approximately&nbsp;$5,175,000.&nbsp;</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD><B>Announced Collaborative Alliance with Zeeco, Inc. to Develop a Joint Product Line of Process Burners: </B>The parties expect
to jointly develop, sell and supply a product line of best in class ultra-low NOx burners for the global oil processing and petrochemical
industries by combining the Company's ClearSign Core&trade;&nbsp;technology with the engineering, global manufacturing and sales
footprint of Zeeco. The agreement is contingent on a successful burner validation test at the Zeeco test facility. We expect the
validation test to be completed later this year.</TD></TR></TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD><B>Received Multi-Unit Process Burner Order from ExxonMobil: - </B>The order is comprised of a multi-burner performance demonstration
and the supply of burners incorporating ClearSign&rsquo;s breakthrough ClearSign Core NOx reduction technology. The order is the
final step in the Company&rsquo;s process of validating ClearSign Core&rsquo;s superior NOx emissions technology.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD><B>Received Multi-Flare Order from ASHCOR: </B>The flares were sold by International Combustion and Controls, a division of
California Boiler, and validates the Company&rsquo;s &lsquo;Asset Lite&rsquo; commercialization strategy by including ClearSign
technology as &lsquo;ClearSign Core&rsquo; in established equipment supplier&rsquo;s products.</TD></TR></TABLE>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Cash, cash equivalents and short term investments were approximately&nbsp;$5,700,000
on June 30, 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">Subsequent to the quarter ending, on August 24<SUP>th</SUP>,
the Company closed a secondary offering pursuant to which 2,587,500 shares of common stock were issued for gross proceeds of approximately
$5,175,000 or $2.00 per share.</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">Shares outstanding at&nbsp;June 30, 2020&nbsp;totaled 26,731,261.</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 Company will be hosting a call at&nbsp;5:00 PM ET&nbsp;today.&nbsp;
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&nbsp; <FONT STYLE="color: #0563C1"><U>https://www.webcaster4.com/Webcast/Page/987/36565</U></FONT>
or on the investor relations section of the Company's website at<FONT STYLE="color: #0563C1"><U>&nbsp;http://ir.clearsign.com/overview</U></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">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. Conference ID 10147199. 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"><B>&nbsp;&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>About ClearSign Technologies Corporation</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">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&trade; and ClearSign Eye&trade;&nbsp;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&nbsp;<FONT STYLE="color: #0563C1"><U>www.clearsign.com</U></FONT>.</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>Cautionary note on forward-looking statements</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">All statements in this press release that are not based on
historical fact are &ldquo;forward-looking statements.&rdquo; 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&nbsp;<FONT STYLE="color: #0563C1"><U>www.sec.gov</U></FONT>&nbsp;and other factors that
are detailed in our periodic and current reports available for review at&nbsp;<FONT STYLE="color: #0563C1"><U>www.sec.gov</U></FONT>.
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, except
as may be required by law, 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"><B>&nbsp;</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"><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; color: #0563C1"><U>mselinger@firmirgroup.com</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; color: #0563C1">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; color: #0563C1"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Second Quarter 2020 Results Conference
Call</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Tuesday, September 15, 2020, 5:00 PM
EDT</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">&nbsp;&nbsp;</P>

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

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

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

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

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

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Presentation</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; background-color: white">Operator: Good day, and welcome to
the ClearSign Technologies Second Quarter 2020 Conference Call. (Operator Instructions). After today's presentation, there will
be an opportunity to ask questions. (Operator Instructions). Please note this event is being recorded.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Matthew Selinger: Good afternoon, and
thank you, operator. Welcome, everyone, to the ClearSign Technologies Corporation Second Quarter 2020 Results Conference Call.
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.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">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 a discussion in the Risk Factors
section of the 2019 Annual Report on Form 10-K.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Except as required by law, 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; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">On the call with me today are Jim Deller,
ClearSign's President and Chief Executive Officer, and Brian Fike, ClearSign's Chief Financial Officer.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">At this point, I'd like to turn the
call over to Brian Fike. Please go ahead, Brian.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Brian Fike: Thank you, Matthew, and
thank you to everyone for joining us here today. Our financial results were included on the Form 10-Q that the company filed with
the SEC on August 14.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The cash burn for the quarter ended
June 30 of 2020 was $1.4 million compared to $2.1 million in the same period of 2019. This decline reflects the reductions made
to operating expenses, and is representative of the changes made in the company's operations since the first quarter of last year.
The increased efficiency is directly attributable to the systematic focus on prioritized projects, selective use of outsourced
consultants and a more rigorous project planning and budgeting approval process.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Our cash and investment resources were
about $5.7 million at the end of the second quarter of 2020 compared to $7.5 million at the end of the first quarter of 2020.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Shares outstanding on June 30 of 2020
were 26,731,261.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">On August 24 of 2020, we closed a secondary
offering pursuant to which we issued 2,587,500 shares of common stock for gross proceeds of approximately $5,175,000 or $2 per
share. This bolsters the company's cash position, which we believe will enable us to bring our current product developments to
market.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Additionally, CLIRSPV LLC, our largest
shareholder, waived its right to participate in the secondary offering in exchange for a right to purchase approximately 654,000
shares of the company's unregistered common stock at a price of $2 per share. This purchase right will expire on September 30,
2020, if not exercised.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">During the second quarter, we received
approximately $250,000 in funds from a PPP loan, which we anticipate will be forgiven in the next few months.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">It is important to note that with our
quarter-ending balances, plus the funds raised through the secondary offering, we have sufficient working capital available to
carry us comfortably into 2022, and that is without including revenues from any other sources.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: Thank you, Brian, for that
financial overview. Hello, everyone, and welcome to our 2020 Q2 conference call. This has been a very busy and productive few months,
to say the least. At the time of the last call, we had just announced the receipt of the purchase order for burners to be supplied
to the ExxonMobil Baytown refinery and a lot has been achieved since then. The work on this process burner order is going well,
and I will give an in-depth update on this progress and the continuing development of this technology shortly.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">We also recently announced on August
12, the formation of our major collaborative alliance with a global combustion equipment company, Zeeco. We expect this relationship
to be transformational for ClearSign, and I'll give more detail on why this is so, and what this agreement means for ClearSign
a little later.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Additionally, we are continuing to
progress the commercialization of our sensor technology, and anticipate being able to announce the first industrial installations
of this new and novel technology very shortly.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">I'm also happy to report that we have
had a breakthrough and are able to get back on the ground in China to progress our China boiler burner projects. I will go into
more detail about our program for commercialization there.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Before getting into the more detailed
update, I want to commend the ClearSign employees for driving the progress of our work despite the inconvenience and restrictions
required due to the Covid-19 pandemic. We have made great strides developing and expanding our technology in all product lines,
process burners, boiler burners, flares and sensors, in addition to supporting our customers onsite and optimizing plans with our
vendors and subcontractors.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">When looking at the ClearSign process
burner business, the ExxonMobil order and the collaborative alliance we have with Zeeco are heavily intertwined. For ExxonMobil
to place the burner order with ClearSign, we were required to be able to provide full-scale burner testing, and also for the long
term, to provide a strategic and coherent plan to enable a provision of burners on a global scale, as well as the order execution
credentials and resources to meet the anticipated future requirements of ExxonMobil.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">We have been developing our collaborative
partnership methodically since the middle of last year. And Zeeco agreed in good faith to commit to testing requirements of ExxonMobil
during this process, as ExxonMobil agreed to progress the engagement with ClearSign with the understanding that we will be aligned
with Zeeco in the future to meet our anticipated NOx reduction needs.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">You will appreciate that to reach this
point has required a lot of trust and good faith on the part of both the ExxonMobil and Zeeco, as both have invested time and resources
into our forward-looking proposal, mainly for the adoption of novel and groundbreaking technology on the part of ExxonMobil and
for a unique strategic business opportunity with ClearSign for Zeeco. We are extremely grateful for all involved at both companies
for their support and vision for what is possible.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">I want to take a few minutes to talk
in more detail about Zeeco and why we are so optimistic about the future opportunities that our collaboration with them will provide.
Zeeco is a leading global industrial combustion equipment company that has over 1,000 employees and over 25 global locations. Of
particular relevance to Clearsign are their large business operations and manufacturing capabilities in the United States, Europe
and China, in addition to their other significant manufacturing and engineering capabilities in India, Mexico and Korea.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The Zeeco business has developed rapidly
and organically through the development of technology and its highly skilled staff, as well as the strategic development of resources
to meet the developing needs of the global combustion equipment marketplace. Zeeco has a portfolio of globally recognized and technologically
advanced products and is considered a household name throughout the world's refining and petrochemical companies.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">For ClearSign, this puts our ClearSign
core process burners on the approved vendor list, essentially the speed dial of the world's largest and best known companies in
the industry. It is also worthy to note that Zeeco is also a major player in other verticals, such as boiler burners, flares, vapor
recovery and thermal oxidizers.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The Zeeco head office and its research
and testing facility is based in the city Broken Arrow. That's on the south side of Tulsa. Regarding practicalities for our future
business together, that is about 15 minutes' drive from the ClearSign Tulsa, Oklahoma office.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The bottom line is that we believe
that Zeeco is the perfect partner for ClearSign and the developments of our future strategic plans, its business approach is creative
and productive. Its global recognition and respect by the world's major customers is unquestioned, and it has established resources
to deliver combustion equipment to meet the industry's needs around the world.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">For ClearSign, we expect this collaboration
to provide a very powerful channel to the global market for our process burner technology. And we believe that it will immediately
make our technology viable and available for all our process burner customers.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">For Zeeco, we believe this collaboration
and the adoption of the ClearSign core technology will provide a unique performance, high-performance product line, with the ability
to deliver immense value to customers compared to their other stringent emissions reduction alternatives, predominantly SCRs. And
we believe this collaboration will reinforce Zeeco as a true technical leader and environmental solution provider in the industrial
process burner industry.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">For obvious reasons, a lot of the details
of our collaborative agreements with Zeeco are confidential. But I can give a high-level overview of the key elements. The technology
roadmap is that we will first bring to market the process burner design we have, as sold to ExxonMobil, then develop assisted designs
for other heater types and process needs, and ultimately, other verticals as the demand and market readiness for the new technology
develops.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">For individual sales and orders, the
day-to-day operations, both ClearSign and Zeeco will promote a joint technology and develop sales opportunities.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Regarding our respective contributions
for ClearSign core burner order fulfillment, ClearSign will provide the ClearSign core intellectual property to a licensing-like
component and a specialist process engineering and critical ceramic elements. And Zeeco will provide their world-class burner construction,
engineering and project management, the general procurement and logistics activities and host the customer performance testing,
which is a part of nearly every process burner order.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">ClearSign will assist with the burner
configuration and design, and will provide engineering and commercial review at key milestones in the order execution.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Our agreement with Zeeco requires the
development of our mutual business in stages, especially the development of new product lines and expansion into new verticals.
The first milestone is approaching in the very near future, as the agreement is contingent on the successful demonstration of the
ClearSign core technology, which brings us back to the ExxonMobil burner supply project for its Baytown refinery.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The project for ExxonMobil is progressing
well. In fact, from a strategic business development perspective, it has exceeded our expectations. What I mean by that is that
the basic optimization and detailed design of the burners is on schedule, and the burners are manufactured to the point that they
are ready for performance testing. A Zeeco test facility is set up and all parties are aligned to proceed with its fired optimization
and demonstration process.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">From a strategic perspective, ExxonMobil
has asked us to not only validate the burner operation over the operating requirements for the destination heater, but for all
their heaters in this major and complex refinery under every known environment, including operational upsets, we believe referencing
post-Hurricane Harvey. While this extreme demand may seem burdensome, the bigger picture is that this project is being used to
validate ClearSign technology for extensive future emissions of payment plans and our engineers have knocked it out of the park.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The refined burner we have today is
notably different from the model we had even at the start of this year. We still retain the instant [light-off] and an unwavering
focus on ensuring the burner is easy to implement to maintain and for refinery operators to use. But through the optimizations
of the aerodynamics of the fuel and the air delivery components, we have significantly expanded the operating range of the burners
to enable products capable of virtually every service in [one] refinery.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">You will have noticed that burner testing
features prominently in the communications we have released regarding our strategic partnership and the execution of burner orders.
Production burner testing is a routine part of the industrial burner supply business. Virtually every process burns supply into
the refining and petrochemical customers has some degree of customization because every heater and its operating requirements are
unique.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">In the process of fulfilling customer
orders, after the detailed design of the burner is complete, it is normal to build typically one or sometimes multiple burners
for the customers' specific design and to install them in a test furnace. These test furnaces are designed so that they enable
the burners to be fired at all rate in an environment representative of the conditions in the customers' furnace. This allows the
burners to be optimized and proven to meet the specific operating conditions and emissions performance required by the customer.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">From an insider perspective, burner
tests typically have two possible outcomes: Either everything is great, or the engineers get to go back to work and the final demonstration
is repeated at a later date. But managing and planning for burner testing is a very normal part of a burner project manager's life.
I emphasize that this is not unique to ClearSign; this is a feature of the process burner industry. Top-tier burner manufacturers
have several different test furnaces, enabling multiple project-related tests to be running at one time and representing many different
heater configurations.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">As an aside, of all the burner manufacturers,
Zeeco has the most extensive test facility for this function and, of course, for new product development.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">As part of the burner order, the test
(inaudible) demonstrated or agreed upon and aligned with the performance guarantees of the burners. This is the case for our ExxonMobil
burners, that wide-ranging test procedure has been agreed to by all parties involved. And we look forward to completing this very
important next stage of this project.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">While we are obviously focused on the
successful completion of our project for ExxonMobil, we do have other opportunities in the pipeline. I cannot go into details,
but they include other global major refiners and household names.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Another positive market indication
is that since our collaboration with Zeeco was announced, we have received a lot more general inquiries regarding what we offer
from within the industry, a sign we take as being very encouraging.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Switching now to our flare product
line, on May 14, we announced a multi-flare order through our equipment manufacturing partner, ASHCOR International Combustion
and Controls, a division of our channel partner, California Boiler. The first of these flares is installed and running in California
and the remaining 3 are in progress. The flares for this order are a [novel design] from a smaller scale than our previous flares
we have installed.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">I want to thank and recognize our Chief
Technology Officer, Donald Kendrick, for bringing this new extension to our flare product line into commercial operation. The customer
feedback we have received indicates that this is a sector of the market that could provide notable follow-on demand. I have nothing
to add at this time, but the indications are encouraging.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">At ClearSign [Eye], on/off sensing
technology is proceeding as planned. At this time, we are talking to prospective customers to arrange some first-adopter sites
to give the industry an opportunity to test the product and see the market. And also for us to ensure we have not only the technology
perfected, but also the other necessary details such as packaging, installation instructions, customer connection points, etc.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">In parallel with this, we are running
the final product for a battery of tests in our R&amp;D facility in Seattle to simulate the worst conditions the sensors will ever
experience in their normal operation. The intentions of this are twofold. Firstly, to ensure that the design is truly robust, and
secondly, to provide materials and data to give confidence to our customers that what we offer is truly a long-term, low-maintenance
solution to replace their existing unreliable and high-maintenance pilot flame detectors.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The evolution of the ClearSign Eye
Flame Sensor has included development of our suppliers and incorporating their input into both the hardware and the electronics.
The sensors will be sold and delivered as a ClearSign product. The sensor is designed to fit onto pilots provided by any burner
manufacturer. And while we initially expect the sales to develop in the United States, we anticipate that this will become a worldwide
product.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The sensor is also being promoted primarily
to the end-user refining and petrochemical customers with the intent that this will lead to sales in retrofit. The frame rod sensors
on existing burners and also that in time, ClearSign eye sensors will be written into their specifications for new burners, leading
to sales by ClearSign directly to the manufacturer of the burners for those particular orders.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">In our last call, we mentioned that
the 5G boiler burner has been developed into a single piece, easy to install and user-friendly design. Additionally, this new design
was created and has maintained the unique NOx performance of the original prototype configuration.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Since the last call, we have continued
to work on our boiler burner to ensure that we have all design details worked out for the Chinese market in anticipation of getting
back on the ground there to continue with our performance testing and pipe testing, the precursors of having a product formally
approved for sales in China.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">This year, the coronavirus has delayed
travel, and this has been especially difficult regarding China. The Chinese government is at present not allowing U.S. residents,
even with existing visas, to enter China, although they are allowing a few various specialties for executives of Chinese-based
companies. We have recently had a breakthrough in this regard. Through our extensive Chinese diplomatic connections, we have been
able to get a single visa for the President of our subsidiary, ClearSign Asia Limited, and he will be returning to China during
the period the visa specifies in late September.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">On his arrival, there will be a 14-day
isolated quarantine period before being able to return to work on the ground. In anticipation of this, we have arranged for remote
video conferencing to connect our Seattle-based research and development team with ClearSign Asia's President and our consultants
and contractors in China. And in this manner, we plan to restart what we anticipate will be the commercial proving and validation
of our 5G boiler burner technology in China.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Following the Chinese certification
of our 5G boiler burner technology, we plan to set up a collaborative venture to enable the commercialization of our technology
there and to extend the burner design to provide a full range of products. We will keep you informed as we make material developments
in this regard.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">While in China, we will, of course,
also be meeting our associates and contacts at the Beijing District Heating to arrange for the continuation of our water tube boiler
project, along with reaffirming the other business relationships we have there. While we have maintained frequent contact with
them from U.S.A., being able to get back on the ground in person is a very important step in getting back to full progress for
us.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">To summarize, we are very encouraged
that we have completed the ecosystem for the commercialization of our process burner technology by securing a collaboration with
what we believe can only be described as the perfect global partner. In this regard, the agreement with Zeeco completes a very
significant milestone in our commercialization strategy and the tangible development of our process burner business that we laid
out in mid-2019.</P>

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

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">We are very optimistic as we get into
the heart of our burner testing process for ExxonMobil at our new partner's test facility, and will be ecstatic when we complete
this phase of the project and can confirm to our customers, new partner and the market at large that ClearSign burners are proven
to be ready for wide-scale industrial deployment.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">We are looking forward to the installation
of our first burner pilot sensors, getting performance and ease of use feedback from customers are moving into the formal launch
of this initial ClearSign Eye product.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The move to start back up and re-engage
our boiler burner demonstrations in China is already in motion, and will be solidly underway as soon as we have feet on the ground
and the ability to coordinate the much-anticipated final installation, operation and certification of our 5G boiler product.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">As always, we will keep you, our investors,
informed as these and other developments occur. Personally, I look forward to updating you with news in the future, and thank you
for your interest in ClearSign.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">That concludes my prepared remarks
today. Operator, please open up the lines for questions.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white"><B>Questions and Answers</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Operator: We will now begin the question-and-answer
session. (Operator Instructions). Jeff Feinglas.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jeff Feinglas: Hey, Jim, I want to
make sure you can hear me.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: Hi, Jeff. Yes, I can, thank
you.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jeff Feinglas: Okay. Yes, I have 2
questions. So the first one is when you announced the partnership with Zeeco, the market more or less just yawned at that. But
from your standpoint, in your remarks today, it seems you see it as a bigger deal than I guess how the share price reflected it.
Who's right?</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: I'm quite confident that
I am right in this case. If we compare the two, we had a very huge recognition when Exxon placed the purchase order for burners
on ClearSign. And as you said, the impact of announcing our collaboration with Zeeco was much more muted.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">From my perspective, looking at the
strategic development of the company, whilst I will never understate the importance of Exxon, I really believe that the collaboration
with Zeeco is the fundamental milestone that we have been seeking really since the middle of last year. This really is the gateway
to getting us commercial, and to -- maybe in simple terms, if we get a recipe for great bread, and we've baked a couple of loaves
ourselves to sell, an arrangement with Zeeco is like forming an agreement with a great global bakery chain. It's truly getting
our process burners into the global market. And I can't understate how fundamental that is for ClearSign.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">So, yes, the response was muted, but
I really believe the results will be evident in the future business of ClearSign.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jeff Feinglas: Good. All right. Well,
thank you. Real quick, one other question. Regarding your comments regarding Exxon and the testing of the burners, you mentioned
that they had expanded some of the requirements. I may be putting words in your mouth, but does the expansion of those requirements
mean that this is more than just -- again, I'm putting words in your mouth -- more than just looking forward for Baytown, but they
want to find out if this works across their entire heater fleet.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: I have to be careful speaking
for Exxon, but yes, it was quite clear working with their project team, as these specifications develop, they were looking much
more widely than the operating requirements for this single-destination heater.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Also just putting the pieces together,
when we look at the hours and in fact, the years that Exxon have been assessing the ClearSign technology, and the effort that they
have been -- or they have put into this project, and continue to put into this project, we really believe that this is a part of
something much bigger with Exxon. And knowing that we have the central engineering division of Exxon involved, rather than just
the Baytown refinery.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">I can't make statements for Exxon,
but from my perspective, all the parts are there for this to be the -- and we truly believe it to be the testing of Exxon of our
burners for a much wider use globally.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jeff Feinglas: Got you, got you. Exciting.
Okay, thank you. And I'm sorry, one last piece I think I missed. When did you say Manny was going to be able to get back into China?</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: So his visa, they have
a window. It's the second half of this month and on landing, he has to go into a quarantine on landing, that's the same for everyone.
So we actually expect him to be on the ground around mid-October.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jeff Feinglas: Okay, perfect. Thank
you, appreciate it.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Operator: Robert Kecseg with Las Colinas
Capital Management.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Robert Kecseg: Jim, good to talk to
you again. Something I've been thinking about for a while, could you give us some sort of a measuring stick on the durability of
the material that you're using as far as maybe the amount of heat or the amount of time that it's used? In other words, is it capable
of withstanding temperatures far beyond the temperatures that are used in these heaters? Just looking at the refinery heaters,
could you kind of talk about a little bit maybe numerically as far as durability on the heat temperatures and stuff?</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: I can, Bobby, (inaudible)
so you've got 2 products that that will be applicable to, and I'll address them both. So the first is the sensor technology. The
incumbent probes, the [Eye] (inaudible) probe actually stick into the flame and really do not last. They're a very -- have a very
high-maintenance need. They burn up and they're really prone to losing their electric connectivity.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The ClearSign Eye sensor, it works
through a different technology. With the surface of the metal components closest to the flame, we have measured between 300 and
350 degrees on the material that's actually able to withstand 1,500, 1,600 degrees. So there's a very great safety margin on that
product. We really believe that we have a very, very durable design of ClearSign Eye.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">I think the other technology that maybe
you're referring to the burners, but our experience, we have the ceramic components that we're using in service now for several
years on one installation, in particular, in California. The heater is actually on a daily cycle.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">So rather than starting the unit up,
and leaving it to operate at a consistent load, which really doesn't stress ceramic material that much, that heater is cycled off
during night and then brought back on every single day. And so it's probably received 10 lifetime's worth of work in a year, and
we did not see a single failure of any of the ceramic components on that heater. We have sourced the best material available, and
we really believe that we have the right material for the job.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Robert Kecseg: And I guess the other
question is when you do these tests and so forth, are there like hundreds of hours, I guess, of testing or operating burners already
with the ceramics and your whole design? I guess I'm just kind of thinking of the drama of this test, upcoming test, and then the
installation afterward. Could you just give us an idea of what kind of duration have the burners already experienced, the ones
you're talking about for the refineries?</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: Yes, I'll try. The duration
we've experienced at this point has been in any other installations, as I referred to referencing the other -- the burner in California
and particularly the cycling. The testing that we have coming up with Zeeco for the Exxon project, the data that we are monitoring
and validating there is the emissions performance, the flame length that the burners just turn up and down and operate just like
a regular burner.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Basically, the refinery is looking
to make sure that the burners do the job for them, obviously, of course, to make the emissions guarantees, but also to basically
to be able to operate and be driven like they need to make their heater work. That is the fundamental requirement of the test.
It's basically making sure the burners do meet the guarantees that were made for the burner performance.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Over time, we will see a longevity
of the materials, but that will not be evident from the burner testing; the burner testing is a much shorter duration. In fact,
the formal witness testing for these burners, when we get to that point -- and I'll preface that by saying that the testing period
includes the pre-run and the optimization, which is basically like preparing a play and then going through the dress rehearsal.
The actual witness testing is the final performance.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">But that final performance part, when
we get there, is anticipated to last about a week in total. And from that point, when the burners get installed into the refinery,
they'll bring the heater up to rate as fast as that turnaround schedule allows. And it will be evidence certainly within [weeks]
that the burners are doing what they are supposed to do. We get that data quite quickly. And then the materials will be [proven]
out truly over years because the equipment is selected to last at least from one shutdown to another, and we expect it to last
longer than that.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Robert Kecseg: Okay, great. Thank you.
Thanks, Jim.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Operator: (Operator Instructions).
Robert Harvey.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Robert Harvey: Do you address or I
guess have products for the process burner, the boiler burner, sensor and flare markets? Could you just spend a few minutes talking
about the largest addressable market within each of those 4 component areas?</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: I can. It's actually a
very interesting question. The first to mind, and the first thing on my minds at this point, is the process burner business, especially
following the collaboration agreement with Zeeco and the fact that that is so close to truly being launched. Right now, we have
the, if you like, the basic burner design as we sold to Exxon, ready to go and being quoted. But that will expand into the other
processes throughout all refineries, which is a huge development. But then beyond that, it will also be expanded into the petrochemical
plants, which include the ethylene burners. So the potential there is absolutely enormous.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">But thinking beyond that, the boiler
burners -- and we're predominantly focused in China -- and I think on a previous call, we referenced the market there. We believe
there's about 350,000 boilers that are due to be retrofit in China over the next 10 years to come into compliance with the latest
emission requirements from the Chinese government. So I obviously don't have a crystal ball to say exactly which of those markets
will develop the most. But those two -- either one of those two -- could be bigger than the other, but both have absolutely huge
potential.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">But then looking even further afield,
we have the on-off sensor, which has an extremely high-volume market. The burner pilots are in burners all around the world; it's
not restricted to emissions tight areas where there is compliance need and the burners need to be retrofit. This is a product that
is applicable to every burner that has a pilot with a flame that has to be proven to be in place globally.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">So throughout the U.S., but for every
country, the volume there is huge. But also in our ClearSign Eye in the sensor product line, we have a contract for the aerospace
industry -- and we can't name the partner -- to develop that into the aerospace business. This is a very different application,
it's quite technical. There's a lot more work to be done, but the potential market from that may actually dwarf the others. It
could be absolutely enormous, but it is further out.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">The flares is an immediate product
we have. The flare is obviously significant for us, but it doesn't have the same monumental potential that the other 3 product
lines do. As I think through this, really to me, the essence of the question isn't which is the biggest because each of these 3
truly has an enormous potential for ClearSign.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">In terms of focus, it's about what
we bring to market first, and having got the agreement with Zeeco and got that product truly into a commercial form where we're
actively quoting it. I think the timing is the real question and the process burners are at the head of the line and will be the
first to market.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">But that doesn't diminish our excitement
for the other businesses; it just means that they're a little bit further along into the future before we truly expect to have
them fully commercialized and with a partner to make the most of their potential.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Robert Harvey: Thank you (inaudible).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: Also it's a -- actually,
there's 3 absolutely huge markets there. And ultimately, when we look back on this to try and project which of those 3 will actually
be the biggest is very difficult to discern. They all have enormous potential.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Robert Harvey: Well, you must be encouraged
that Exxon has asked for the burner to be tested in a wide -- I guess more thoroughly or more broadly comprehensively tested for
potential wider number of heater installations. And I guess you mean that -- from what you said, that means that they might be
installable in the petrochemical plants as well as the refineries. Are you allowed to comment on the timeframe for the testing,
when the test will be complete? Is this a first half of 2021, or what? Are you allowed to say anything about what your testing
schedule is and when you might have results?</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: I can give some approximate
data. But to be honest, we're not totally in control of the data, especially the actual installation because that will be done
and controlled by Exxon. And when they choose to bring their heater down for a turnaround, it does depend on the operating requirements
of the refinery and the other turnaround projects that they have. So I really say that as a caveat. At this time, our expectation
is that the burners will be installed in Q1 of next year and brought up and running in that timeframe.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Regarding the testing at the Zeeco
facility, obviously, to have them down there and installed in Q1 of next year, they will be tested in time for us to go through
a final cleanup, packaging and shipping to the job site for installation in that timeframe. So from that, without giving exact
dates, you can kind of envision that the testing is on our immediate horizon.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Robert Harvey: Thank you.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Operator: And this will conclude our
question-and-answer session. I'd 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; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Jim Deller: Thank you, operator, and
thank you, everyone, for attending this call today. This concludes the ClearSign Technologies second quarter 2020 results conference
call. And we appreciate your interest in ClearSign and look forward to updating you on our business progress.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">Operator: The conference has now concluded.
Thank you for attending today's presentation. You may now disconnect your lines at this time.</P>

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

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

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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
