<SEC-DOCUMENT>0001144204-19-042106.txt : 20190828
<SEC-HEADER>0001144204-19-042106.hdr.sgml : 20190828
<ACCEPTANCE-DATETIME>20190828163626
ACCESSION NUMBER:		0001144204-19-042106
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190826
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190828
DATE AS OF CHANGE:		20190828

FILER:

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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35521
		FILM NUMBER:		191062393

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>tv528545_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; text-align: center"><B>&nbsp;</B></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): August 26, 2019</B></P>

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

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>12870 Interurban Avenue South</B></P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>206-673-4848</B></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions (see General Instruction
A.2 below).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Written communications pursuant to Rule 425 under the
Securities Act (17 CFR 230.425)</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Soliciting material pursuant to Rule 14a-12 under the
Exchange Act (17 CFR240.14a-12)</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Pre-commencement communications pursuant to Rule 14d-2(b)
under the Exchange Act (17 CFR 240.14d-2(b)).</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Pre-commencement communications pursuant to Rule 13e-(c)
under the Exchange Act (17 CFR 240.13(e)-4(c))</TD>
</TR></TABLE>

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

<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: 50%">&nbsp;</TD>
    <TD STYLE="width: 40%; text-align: right"><FONT STYLE="font-size: 10pt">Emerging growth company</FONT></TD>
    <TD STYLE="width: 10%; text-align: right"><FONT STYLE="font: 10pt Wingdings">&uml;</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">If an emerging growth company, indicate by check mark if the
registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards
provided pursuant to Section 13(a) of the Exchange Act. <FONT STYLE="font-family: Wingdings">&uml;</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">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"></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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<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><B>ITEM 1.01</B></TD><TD><B>ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT</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 August 26, 2019, ClearSign Combustion
Corporation (the &ldquo;Company&rdquo;) entered into the Third Amendment to Lease (the &ldquo;Lease Amendment&rdquo;), dated July
18, 2019, to the lease dated August 19, 2011 (the &ldquo;Original Lease&rdquo;) with Boeing Employees&rsquo; Credit Union, the
lessor of the Company&rsquo;s corporate headquarters located at 12870 Interurban Avenue South, Seattle, Washington 98168.&nbsp;
The Amendment extended the term of the Lease for a period of three years and two months, beginning on April 1, 2020, and terminating
on May 31, 2023 (the &ldquo;Term&rdquo;).&nbsp; For the first two months of the Term the rent will be abated, although the Company
will continue to be responsible for the payment of its proportionate share of expenses and taxes.&nbsp; From June 1, 2020 through
March 31, 2021, the Company will pay monthly rent in the amount of $13,524.00.&nbsp; Thereafter, the monthly rent will increase
on the first day of April of each succeeding year by approximately 3% until the end of the Term.&nbsp; The remaining terms and
conditions of the Lease remain the same.&nbsp; <FONT STYLE="background-color: white">The above summary is qualified in its entirety
by reference to the Lease Amendment, which is included as Exhibit 10.1 to this Current Report on Form 8-K and which is incorporated
by reference into this Item 1.01 in its entirety.</FONT></P>

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

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<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><FONT STYLE="background-color: white"><B>ITEM 9.01</B></FONT></TD><TD><FONT STYLE="background-color: white"><B>FINANCIAL STATEMENTS AND EXHIBITS</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><A HREF="tv528545_ex10-1.htm" STYLE="-sec-extract: exhibit">Exhibit 10.1&#9;Third Amendment to Lease</A></P>

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


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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">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 August 28, 2019</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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    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">CLEARSIGN COMBUSTION CORPORATION</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0; width: 50%">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0; width: 5%">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0; width: 45%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="padding: 0; text-indent: 0; border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Brian G. Fike</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Brian G. Fike</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interim Chief Financial Officer</FONT></TD></TR>
</TABLE>


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<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>tv528545_ex10-1.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0; text-align: right"><B>Exhibit 10.1</B></P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">THIS THIRD AMENDMENT TO LEASE (this &ldquo;Third
Amendment&rdquo;), dated as of the 18th day of July, 2019, is entered into by and between BOEING EMPLOYEES&rsquo; CREDIT UNION,
a Washington state chartered credit union (&ldquo;Landlord&rdquo;), and CLEARSIGN COMBUSTION CORPORATION, a Washington corporation
(&ldquo;Tenant&rdquo;).</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">A.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RREEF
America REIT II Corp. MMMM7 Washington (&ldquo;RREEF&rdquo;) and Tenant entered into that certain Lease dated August&nbsp;19, 2011,
as amended by that certain Commencement Date Memorandum dated November&nbsp;1, 2011, that certain First Amendment to Lease dated
December&nbsp;17, 2013, and that certain Second Amendment to Lease dated October&nbsp;18, 2016 (collectively, the &ldquo;Lease&rdquo;).
Landlord is the successor-in-interest to RREEF.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">B.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Lease pertains to approximately 9,200 square feet of space located in Building&nbsp;1 of Gateway Corporate Center, having an address
of 12870 Interurban Avenue South, Tukwila, Washington 98168 (the &ldquo;Premises&rdquo;), as more fully described in the Lease.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">C.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Landlord
and Tenant desire to extend the Term of the Lease, change the rent schedule and otherwise modify the terms and conditions of the
Lease, as more fully set forth below.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">NOW, THEREFORE, in consideration of the
mutual covenants and conditions contained herein and other good and valuable consideration, the receipt and sufficiency of which
is hereby acknowledged, the parties agree as follows:</P>

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

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="text-transform: uppercase"><B>1.</B></FONT></TD><TD STYLE="text-align: justify"><B>Definitions.</B> Unless otherwise specifically set forth herein, all capitalized terms used
shall have the meanings attributed to them in the Lease.</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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"></TD><TD STYLE="width: 0.5in"><FONT STYLE="text-transform: uppercase"><B>2.</B></FONT></TD><TD STYLE="text-align: justify"><B>Term.</B> The Term of the Lease is hereby extended for a period of three&nbsp;(3) years and
two&nbsp;(2) months, commencing on April&nbsp;1, 2020, and terminating on May&nbsp;31, 2023.</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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"></TD><TD STYLE="width: 0.5in"><FONT STYLE="text-transform: uppercase"><B>3.</B></FONT></TD><TD STYLE="text-align: justify"><B>Rent Schedule.</B> The rent schedule for the period from April&nbsp;1, 2020, through May&nbsp;31,
2023, shall be as follows:</TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD COLSPAN="2" STYLE="border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Period</B></TD>
    <TD ROWSPAN="2" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Rentable Square Footage</B></TD>
    <TD ROWSPAN="2" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Annual Rent Per Square Foot</B></TD>
    <TD ROWSPAN="2" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Annual Rent</B></TD>
    <TD ROWSPAN="2" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Monthly Installment of Rent</B></TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>from</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>through</B></TD></TR>
<TR>
    <TD STYLE="width: 11%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">4/1/2020</TD>
    <TD STYLE="width: 11%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">5/31/2020</TD>
    <TD STYLE="width: 18%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9,200</TD>
    <TD STYLE="width: 18%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$0.00</TD>
    <TD STYLE="width: 16%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$0.00</TD>
    <TD STYLE="width: 26%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$0.00*</TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">6/1/2020</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">3/31/2021</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9,200</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$17.64</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$162,288.00</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$13,524.00</TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">4/1/2021</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">3/31/2022</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9,200</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$18.17</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$167,160.00</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$13,930.00</TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">4/1/2022</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">3/31/2023</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9,200</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$18.71</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$172,176.00</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$14,348.00</TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">4/1/2023</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">5/31/2023</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9,200</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$19.28</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$177,336.00</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">$14,778.00</TD></TR>
</TABLE>

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<TD STYLE="width: 36pt"></TD><TD STYLE="width: 9pt">*</TD><TD STYLE="text-align: justify; padding-right: 9pt">Tenant shall be responsible for the payment of Tenant&rsquo;s Proportionate
Share of Expenses and Taxes during the period that the Monthly Installment of Rent is abated.</TD></TR></TABLE>

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

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

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&nbsp;</P>

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="text-transform: uppercase"><B>4.</B></FONT></TD><TD STYLE="text-align: justify"><B>Counterparts.</B> This Third Amendment may be executed in counterparts, each of which shall
be deemed an original but all of which together shall be deemed to be one and the same agreement.</TD></TR></TABLE>

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

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="text-transform: uppercase"><B>5.</B></FONT></TD><TD STYLE="text-align: justify"><B>Effect of Amendment; Incorporation.</B> Except as expressly modified herein, all terms and conditions
of the Lease remain in full force and effect and are hereby ratified and confirmed.</TD></TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in">[<I>signature page and
notary acknowledgments follow</I>]</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0in">IN WITNESS WHEREOF, Landlord
and Tenant have executed this Third Amendment as of the day and year first written above.</P>

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

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

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    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>LANDLORD:</B></FONT></TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>TENANT:</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">BOEING EMPLOYEES&rsquo; CREDIT UNION, </FONT></TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">CLEARSIGN COMBUSTION CORPORATION,</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">a Washington state chartered credit union</FONT></TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding: 0; text-indent: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">a Washington corporation</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0; width: 5%">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0; width: 40%">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0; width: 10%">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0; width: 5%">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0; width: 40%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0; border-bottom: Black 1pt solid">/s/
    Gregg Kats</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0; border-bottom: Black 1pt solid">/s/ Brian G. Fike</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0; border-bottom: Black 1pt solid">Gregg Kats</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0; border-bottom: Black 1pt solid">Brian G. Fike</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0; border-bottom: Black 1pt solid">SVP Administration &amp; Operation</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0; border-bottom: Black 1pt solid">Interim Chief Financial
    Officer</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-align: justify; text-indent: 0">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding: 0; text-indent: 0; border-bottom: Black 1pt solid">8/26/2019</TD>
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding: 0; text-indent: 0; border-bottom: Black 1pt solid">8/09/2019</TD></TR>
</TABLE>


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

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

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

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

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

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

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

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    <TD STYLE="width: 20%; padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">STATE OF WASHINGTON</FONT></TD>
    <TD STYLE="width: 80%; padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">)&nbsp;&nbsp;ss.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">COUNTY OF KING</FONT></TD>
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">)</FONT></TD></TR>
</TABLE>
<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; text-align: justify; text-indent: 0.5in">On this 09&nbsp;day
of August, 2019, before me, the undersigned, a Notary Public in and for the State of Washington, personally appeared Brian Fike,
to me known or shown through satisfactory evidence to be the Tenant of CLEARSIGN COMBUSTION CORPORATION, a Washington state chartered credit union, and
acknowledged to me that ____ executed the foregoing instrument on behalf of said party freely and voluntarily for the uses and
purposes therein mentioned.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Witness my hand and
official seal the day and year in this certificate first above written.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></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 STYLE="width: 50%; padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0; border-bottom: Black 1pt solid">Olga
    Stryzheus</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Signature)</FONT></TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0; border-bottom: Black 1pt solid">Olga
    Stryzheus</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Please print name legibly)</FONT></TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; padding-top: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Notary Public in and for the State of Washington,</FONT></TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; padding-top: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">My commission expires 09/15/2021</FONT></TD>
    </TR>
</TABLE>


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CORPORATE ACKNOWLEDGMENT</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></B></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 STYLE="width: 20%; padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">STATE OF WASHINGTON</FONT></TD>
    <TD STYLE="width: 80%; padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">)&nbsp;&nbsp;ss.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">COUNTY OF KING</FONT></TD>
    <TD STYLE="padding: 0; text-indent: 0"><FONT STYLE="font-size: 10pt">)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On this 26 day of
August, 2019, before me, the undersigned, a Notary Public in and for the State of Washington, personally appeared Gregg Kats,
to me known or shown through satisfactory evidence to be the SVP Administration &amp; Operation of BOEING EMPLOYEES&rsquo; CREDIT UNION, a
Washington corporation, and acknowledged to me that ____&nbsp;executed the same on behalf of said corporation freely and
voluntarily for the uses and purposes therein mentioned.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Witness my hand and
official seal the day and year in this certificate first above written.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></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 STYLE="width: 50%; padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0; border-bottom: Black 1pt solid">Katie
    Vereechen</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Signature)</FONT></TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0; border-bottom: Black 1pt solid">Katie
    Vereechen</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Please print name legibly)</FONT></TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify; padding-top: 0; text-indent: 0">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; padding-top: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Notary Public in and for the State of Washington,</FONT></TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; padding-top: 0; text-indent: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; padding-top: 0; text-indent: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">My commission expires 11/25/2020</FONT></TD>
    </TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

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