<SEC-DOCUMENT>0001171843-21-000317.txt : 20210119
<SEC-HEADER>0001171843-21-000317.hdr.sgml : 20210119
<ACCEPTANCE-DATETIME>20210119090051
ACCESSION NUMBER:		0001171843-21-000317
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210119
DATE AS OF CHANGE:		20210119
EFFECTIVENESS DATE:		20210119

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTHERN TECHNOLOGIES INTERNATIONAL CORP
		CENTRAL INDEX KEY:			0000875582
		STANDARD INDUSTRIAL CLASSIFICATION:	COATING, ENGRAVING & ALLIED SERVICES [3470]
		IRS NUMBER:				410857886
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0831

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-252197
		FILM NUMBER:		21534110

	BUSINESS ADDRESS:	
		STREET 1:		4201 WOODLAND ROAD
		STREET 2:		PO BOX 69
		CITY:			CIRCLE PINES
		STATE:			MN
		ZIP:			55014
		BUSINESS PHONE:		(763) 225-6601

	MAIL ADDRESS:	
		STREET 1:		4201 WOODLAND ROAD
		STREET 2:		PO BOX 69
		CITY:			CIRCLE PINES
		STATE:			MN
		ZIP:			55014

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NORTHERN INSTRUMENTS CORP
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
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<FILENAME>s8_011321.htm
<DESCRIPTION>FORM S-8
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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">As filed with the Securities and Exchange
Commission on January 19, 2021</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 4.5in">Registration No.
333-_______</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><FONT STYLE="text-underline-style: double"><U></U></FONT></P>

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>United
States</B></FONT></P>

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

<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"><FONT STYLE="text-transform: uppercase"><B>fOrm
S-8</B></FONT></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>registration
statement </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B><I>under
the securities act of 1933</I></B></FONT></P>

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

<P STYLE="font: 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-transform: uppercase; text-align: center">NORTHERN
TECHNOLOGIES INTERNATIONAL CORPORATION</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact name of registrant as specified in
its charter)</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">&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: 50%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Delaware</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(State or other jurisdiction of incorporation
        or organization)</P></TD>
    <TD STYLE="width: 50%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>41-0857886</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase">(I.R.S.
        E</FONT>mployer Identification No.)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>
        <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>4201 Woodland Road</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>P.O. Box 69</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Circle Pines, Minnesota</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Address of Principal Executive Offices)</P></TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>&nbsp;</B></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>&nbsp;</B></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>55014</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Zip Code)</P></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: center"><B>___________________________</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"><FONT STYLE="font-size: 14pt"><B>Northern
Technologies International Corporation </B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>Amended
and Restated 2019 Stock Incentive Plan</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Full title of the plan)</P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>4201 Woodland Road</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>P.O. Box 69</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Circle Pines, Minnesota, 55014</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase">(</FONT>Name
and address of agent for service)</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>(763)-225-6637</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="text-transform: uppercase">(</FONT>Telephone
number, including area code, of agent for service)</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>Copies requested to:</B></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>222 South Ninth Street, Suite 2000</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Minneapolis, Minnesota 55402-3338</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(612) 607-7000</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>___________________________</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">Indicate by check mark whether the registrant is a large accelerated
filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions
of &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo; &ldquo;smaller reporting company&rdquo; and &ldquo;emerging
growth company&rdquo; in Rule 12b-2 of the Exchange Act.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="width: 51%; text-align: left; text-indent: 0pt">Large accelerated filer &#9744;</TD>
    <TD STYLE="width: 49%; text-align: left">Accelerated filer &#9744;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; text-indent: 0pt">Non-accelerated filer &#9746;</TD>
    <TD STYLE="text-align: left">Smaller reporting company &#9746;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-indent: 0.5in; padding-left: 4.5in">&nbsp;</TD>
    <TD STYLE="text-align: left">Emerging growth company &#9744;</TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5in; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">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 7(a)(2)(B) of the Securities Act. &#9744;</FONT></P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 33%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Title of securities </B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>to be registered</B></P></TD>
    <TD STYLE="width: 13%; border-top: Black 1pt solid; border-right: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Amount to be</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>registered<SUP>(1)</SUP></B></P></TD>
    <TD STYLE="width: 19%; border-top: Black 1pt solid; border-right: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Proposed maximum</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>offering price per share<SUP>(2)</SUP>&nbsp;</B></P></TD>
    <TD STYLE="width: 22%; border-top: Black 1pt solid; border-right: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Proposed maximum</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>aggregate offering price<SUP>(2)</SUP>&nbsp;</B></P></TD>
    <TD STYLE="width: 13%; border-top: Black 1pt solid; border-right: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Amount of</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>registration fee</B></P></TD></TR>
<TR>
    <TD STYLE="border: Black 1pt solid; font-size: 10pt; layout-grid-mode: line"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Common Stock, par value $0.02 per share<B>&nbsp;</B></FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">800,000 shares</FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">$13.09</FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">$10,472,000</FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">$1,142.50</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">_________________</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: 0.25in">(1)</TD><TD>The number of shares stated above represents an increase in the total number of shares available for issuance under the Northern
Technologies International Corporation Amended and Restated 2019 Stock Incentive Plan (the &ldquo;Amended 2019 Plan&rdquo;). 800,000
shares have been previously registered under a Registration Statement on Form S-8 (Reg. No. 333-229391), as adjusted to reflect
a two-for-one stock split effected on June 28, 2019. In addition, the maximum number of shares that may be issued under the Amended
2019 Plan is subject to adjustment in accordance with certain provisions of the Amended 2019 Plan. Pursuant to Rule 416 under the
Securities Act of 1933, as amended (the &ldquo;Securities Act&rdquo;), this registration statement also covers any additional shares
of the registrant&rsquo;s common stock that become issuable under the Northern Technologies International Corporation 2019 Stock
Incentive Plan (the &ldquo;2019 Plan&rdquo;) by reason of any recapitalization, stock split, stock dividend or other similar transaction
effected without receipt of consideration where the registrant&rsquo;s outstanding shares of common stock are increased, converted
or exchanged.</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: 0.25in">(2)</TD><TD>Estimated solely for the purpose of calculating the amount of the registration fee and calculated pursuant to Rule 457(c) and
Rule 457(h) under the Securities Act on the basis of the average of the high and low sales prices of the registrant&rsquo;s common
stock, as reported by the Nasdaq Global Market on January 14, 2021.</TD></TR></TABLE>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>REGISTRATION OF ADDITIONAL SECURITIES
PURSUANT TO GENERAL INSTRUCTION E<BR>
<BR>
</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This Registration Statement on Form S-8
(the &ldquo;Registration Statement&rdquo;) of Northern Technologies International Corporation (the &ldquo;Company&rdquo; or the
&ldquo;Registrant&rdquo;) is being filed pursuant to General Instruction E to Form S-8 under the Securities Act of 1933, as amended
(the &ldquo;Securities Act&rdquo;), to register an additional 800,000 shares of the Company&rsquo;s common stock, par value $0.02
per share (the &ldquo;Common Stock&rdquo;), issuable pursuant to awards granted under the Northern Technologies International Corporation
Amended and Restated 2019 Stock Incentive Plan (the &ldquo;2019 Plan&rdquo;). This share increase was approved by the Company&rsquo;s
board of directors on November 6, 2020 and by the Company&rsquo;s stockholders at an annual meeting of stockholders held on January
15, 2021. The Company previously filed with the Securities and Exchange Commission (the &ldquo;SEC&rdquo;) a Registration Statement
on Form S-8 (Reg. No. 333-229391) to register the initial 800,000 shares of Common Stock available for issuance under the 2019
Plan, as adjusted to reflect a two-for-one stock split effected on June 28, 2019. The contents of such prior Registration Statement,
with the exception of Items 3 and 8 of Part II of such prior Registration Statement, are hereby incorporated by reference.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: uppercase"><B>Information
Required In The Registration Statement</B></FONT></P>

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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">Item 3. Incorporation of Documents by
Reference.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company hereby incorporates by reference
into this Registration Statement the following documents which have been previously filed (not furnished) with the SEC:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(a)</TD><TD><A HREF="https://www.sec.gov/Archives/edgar/data/875582/000117184320007980/f10k_111320p.htm">The Company&rsquo;s Annual Report on Form 10-K for the year ended August 31, 2020 filed with the SEC on November 13, 2020 (File No. 001-11038);</A></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: 0.5in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD><A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/875582/000117184321000175/ntic20201130_10q.htm">The Company&rsquo;s Quarterly Report on Form 10-Q for the quarter ended November 30, 2020 filed with the SEC on January 8,
2021 (File No. 001-11038);</A></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: 0.5in"></TD><TD STYLE="width: 0.5in">(c)</TD><TD>The Company&rsquo;s Current Report on Form 8-K (other than portions thereof furnished under Item 2.02 or Item 7.01 of Form
8-K and exhibits accompanying such reports that are related to such items) filed with the SEC on <A HREF="https://www.sec.gov/Archives/edgar/data/875582/000117184320008795/f8k_122920.htm">December 29, 2020</A> and <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/875582/000117184321000288/f8k_011221.htm">January 15, 2021</A> (File No. 001-11038);</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: 0.5in"></TD><TD STYLE="width: 0.5in">(d)</TD><TD><A HREF="https://www.sec.gov/Archives/edgar/data/875582/000117184320008230/0001171843-20-008230-index.htm">The Company&rsquo;s Definitive Proxy Statement on Schedule 14A for the Company&rsquo;s 2021 Annual Meeting of Stockholders held on January 15, 2021 filed with the SEC on November 30, 2020 (File No. 001-11038);</A> and</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: 0.5in"></TD><TD STYLE="width: 0.5in">(e)</TD><TD><A HREF="https://www.sec.gov/Archives/edgar/data/875582/000110465909054077/a09-25914_28a12ba.htm">The description of the Common Stock contained in the Company&rsquo;s Registration Statement on Form 8-A filed with the SEC
pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), including any amendments
or reports filed for the purpose of updating such description (File No. 001-11038).</A></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-indent: 0.5in">In addition, all other documents filed (not
furnished) by the Company pursuant to Section&nbsp;13(a), Section&nbsp;13(c), Section&nbsp;14 or Section&nbsp;15(d) of the Exchange
Act on or after the date of this Registration Statement and prior to the filing of a post-effective amendment to this Registration
Statement that indicates that all securities offered hereby have been sold or that deregisters all securities then remaining unsold
shall be deemed to be incorporated in this Registration Statement by reference and to be a part of this Registration Statement
from the date of filing of such documents;&nbsp;<I>provided</I>,&nbsp;<I>however</I>, that documents or information deemed to have
been furnished to and not filed with the SEC in accordance with the rules of the SEC shall not be deemed incorporated by reference
into this Registration Statement.</P>

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

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<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; text-indent: 0.5in">Any statement contained in a document incorporated
or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration
Statement to the extent that a statement contained herein or in any subsequently filed document which also is deemed to be incorporated
by reference herein modifies or supersedes such statement. Any such statement so modified or superseded shall not be deemed, except
as so modified or superseded, to constitute a part of this Registration Statement.</P>

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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">Item 8. Exhibits.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The following exhibits are filed with or
incorporated by reference into this Registration Statement:</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="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 10%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 1pt solid"><B>Exhibit
No.</B></P></TD>
    <TD STYLE="width: 3%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 87%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: black 1pt solid"><B>Description</B></P></TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">3.1</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">Restated Certificate of Incorporation of Northern Technologies International Corporation (<A HREF="https://www.sec.gov/Archives/edgar/data/875582/000110465909023948/a09-9916_1ex3d1.htm">Incorporated by reference to Exhibit 3.1 to NTIC&rsquo;s Quarterly Report on Form 10-Q for the fiscal quarter ended February 28, 2009 (File No. 001-11038)</A>)</FONT></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">3.2</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">Certificate of Amendment to the Restated Certificate of Incorporation of Northern Technologies International Corporation dated January 16, 2018 (<A HREF="https://www.sec.gov/Archives/edgar/data/875582/000117184318000379/exh_31.htm">Incorporated by reference to Exhibit 3.1 to NTIC&rsquo;s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 16, 2018 (File No. 001-11038)</A>)</FONT></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">3.3</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">Certificate of Validation dated January 18, 2019 relating to Certificate of Amendment to the Restated Certificate of Incorporation of Northern Technologies International Corporation dated January 16, 2018 (<A HREF="https://www.sec.gov/Archives/edgar/data/875582/000117184319000517/exh_31.htm">Incorporated by reference to Exhibit 3.1 to NTIC&rsquo;s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 25, 2018 (File No. 001-11038)</A>)</FONT></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">3.4</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">Amended and Restated Bylaws of Northern Technologies International Corporation (<A HREF="https://www.sec.gov/Archives/edgar/data/875582/000110465908072542/a08-29098_1ex3d1.htm">Incorporated by reference to Exhibit 3.1 to NTIC&rsquo;s Current Report on Form 8-K as filed with the Securities and Exchange Commission on November 24, 2008 (File No. 001-11038)</A>)</FONT></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">5.1</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><A HREF="exh_51.htm"><FONT STYLE="font-size: 10pt">Opinion of Fox Rothschild LLP regarding the validity of the shares of Common Stock being registered (Filed herewith)</FONT></A></TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">23.1</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><A HREF="exh_231.htm"><FONT STYLE="font-size: 10pt">Consent of Baker Tilly US, LLP (Filed herewith)</FONT></A></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">23.2</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt"><A HREF="exh_51.htm">Consent of Fox Rothschild LLP (Included within the opinion filed as Exhibit 5.1)</A></FONT></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">24.1</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><A HREF="#POA"><FONT STYLE="font-size: 10pt">Power of Attorney (Included on signature page to this Registration Statement)</FONT></A></TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="white-space: nowrap; vertical-align: top; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt">99.1</FONT></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt"><FONT STYLE="font-size: 10pt">Northern Technologies International Corporation Amended and Restated 2019 Stock Incentive Plan (<A HREF="https://www.sec.gov/Archives/edgar/data/875582/000117184321000288/exh_101.htm">Incorporated by reference to Exhibit 10.1 to the Registrant&rsquo;s Current Report on Form 8-K as filed with the Securities and Exchange Commission on January 15, 2021 (File No. 001-11038)</A>)</FONT></TD></TR>
</TABLE>
<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"></P>

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    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 4pt solid">&nbsp;</DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<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>SIGNATURES</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-indent: 0.5in">Pursuant to the requirements of the Securities
Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Circle Pines, State of Minnesota, on January 19, 2021.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="width: 60%">&nbsp;</TD>
    <TD STYLE="width: 40%; font-weight: bold; text-align: left"><P STYLE="margin-top: 0; margin-bottom: 0">NORTHERN TECHNOLOGIES INTERNATIONAL</P>
                                                                <P STYLE="margin-top: 0; margin-bottom: 0">CORPORATION</P></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-bottom: 1pt">By: <U>/s/ G. Patrick Lynch&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: left">G. Patrick Lynch</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: left">President and Chief Executive Officer</TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><B><A NAME="POA"></A>POWER OF ATTORNEY</B></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-indent: 0.5in">We, the undersigned officers and directors
of Northern Technologies International Corporation hereby severally constitute and appoint G. Patrick Lynch and Matthew C. Wolsfeld,
and each of them singly (with full power to each of them to act alone), our true and lawful attorneys-in-fact and agents, with
full power of substitution and resubstitution in each of them for him or her and in his or her name, place and stead, and in any
and all capacities, to sign any and all amendments (including post-effective amendments) to this Registration Statement, and to
file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act
and thing requisite or necessary to be done in and about the premises, as full to all intents and purposes as he or she might or
could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their or his
or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.</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">Pursuant to the requirements of the Securities
Act of 1933, as amended, this Registration Statement has been signed by the following persons in the capacities and on the dates
indicated.</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="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="vertical-align: bottom; width: 30%; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Name and Signature</B></FONT></TD>
    <TD STYLE="vertical-align: top; width: 1%; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 50%; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Title</B></FONT></TD>
    <TD STYLE="vertical-align: top; width: 1%; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 18%; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Date</B></FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: bottom; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ G. Patrick Lynch</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: top">
        <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">President and Chief Executive Officer and Director
        (principal executive officer)</P></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">G. Patrick Lynch</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: bottom; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ Matthew C. Wolsfeld</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: top">
        <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">Chief Financial Officer and Secretary (principal financial
        and accounting officer)</P></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Matthew C. Wolsfeld</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ Richard J. Nigon</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">Chairman of the Board</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Richard J. Nigon</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ Nancy E. Calderon</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Nancy E. Calderon</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">
        <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">/s/ Sarah E. Kemp</P></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Sarah E. Kemp</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ Soo Keong Koh</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Soo Keong Koh</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ Sunggyu Lee, Ph.D.</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Sunggyu Lee, Ph.D.</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ Ramani Narayan, Ph.D.</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Ramani Narayan, Ph.D.</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ Konstantin von Falkenhausen</FONT></TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">January 19, 2021</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Konstantin von Falkenhausen</FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
</TABLE>
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<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>exh_51.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-align: right; text-indent: -0.25in"><B>Exhibit
5.1</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">[Fox Rothschild LLP Letterhead]</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"></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">January 19, 2021</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>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4201 Woodland Road</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">P.O. Box 69</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Circle Pines, Minnesota, 55014</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"></TD><TD STYLE="width: 0.5in"><B>Re:</B></TD><TD><B>Northern Technologies International Corporation</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify"><B>Registration Statement on
Form S-8</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Ladies and Gentlemen:</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">We have acted as counsel to Northern Technologies International
Corporation, a Delaware corporation (the &ldquo;Company&rdquo;), in connection with the Company&rsquo;s registration of an aggregate
of 800,000 shares (collectively, the &ldquo;Shares&rdquo;) of the Company&rsquo;s common stock, par value $0.02 per share (the
&ldquo;Common Stock&rdquo;), issuable under the Northern Technologies International Corporation Amended and Restated 2019 Stock
Incentive Plan (the &ldquo;Plan&rdquo;) pursuant to a registration statement on Form S-8 (the &ldquo;Registration Statement&rdquo;)
under the Securities Act of 1933, as amended (the &ldquo;Securities Act&rdquo;), filed by the Company with the Securities and Exchange
Commission (the &ldquo;SEC&rdquo;) on January 19, 2021.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">In connection with this opinion, we have examined and relied
upon the originals, or copies certified or otherwise identified to our satisfaction, of such records, documents, certificates and
other instruments as in our judgment are necessary or appropriate to enable us to render the opinions expressed below. As to certain
factual matters, we have relied upon certificates of the officers of the Company and have not sought to independently verify such
matters.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">In rendering this opinion, we have assumed the genuineness and
authenticity of all signatures on original documents; the legal capacity of all natural persons; the authenticity of all documents
submitted to us as originals; the conformity to originals of all documents submitted to us as certified or photocopies; the authenticity
of the originals of such latter documents; the accuracy and completeness of all documents and records reviewed by us; the accuracy,
completeness and authenticity of certificates issued by any governmental official, office or agency and the absence of change in
the information contained therein from the effective date of any such certificate; and the due authorization, execution and delivery
of all documents where authorization, execution and delivery are prerequisites to the effectiveness of such documents.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Our opinion herein is expressed solely with respect to the General
Corporation Law of the State of Delaware (including the statutory provisions, all applicable provisions of the Delaware Constitution
and reported judicial decisions interpreting the foregoing) and is based on these laws as in effect on the date hereof. We express
no opinion as to whether the laws of any jurisdiction are applicable to the subject matter hereof. We are not rendering any opinion
as to compliance with any federal or other state law, rule or regulation relating to securities, or to the sale or issuance thereof.</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">On the basis of the foregoing and in reliance thereon, and subject
to the qualifications herein stated, we are of the opinion that the Shares registered pursuant to the Registration Statement have
been duly and validly authorized and reserved for issuance and that upon the issuance of the Shares and payment therefor in accordance
with the provisions of the Plan, the Shares will be validly issued, fully paid and non-assessable.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">We hereby consent to the filing of this opinion as an exhibit
to the Registration Statement. In giving such consent, we do not admit that we are in the category of persons whose consent is
required under Section 7 of the Securities Act or the rules and regulations of the SEC thereunder. This opinion is expressed as
of the date hereof, and we disclaim any undertaking to advise you of any subsequent changes in the facts stated or assumed herein
or of any subsequent changes in applicable law.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="width: 60%">&nbsp;</TD>
    <TD STYLE="width: 40%">Very truly yours,</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>&nbsp;</TD>
    <TD>/s/ Fox Rothschild LLP</TD></TR>
</TABLE>


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<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 0pt 3.5in">&nbsp;</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 0pt 3.5in">&nbsp;</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 0pt 3.5in">&nbsp;</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 0pt 3.5in"></P>

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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>exh_231.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-align: right; text-indent: -0.25in"><B>Exhibit
23.1</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"><FONT STYLE="text-transform: uppercase">Consent
of Independent Registered Public Accounting Firm</FONT></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">We hereby consent to the incorporation by reference in this
Registration Statement on Form S-8 of our report dated November 13, 2020 relating to the consolidated financial statements, which
appears in Northern Technologies International Corporation&rsquo;s Annual Report on Form 10-K for the year ended August 31, 2020,
as filed with the Securities and Exchange Commission.</P>

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

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

<TABLE 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%; font-size: 10pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">/s/ Baker Tilly US, LLP</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">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">January 19, 2021</P>

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

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

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

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

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

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

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

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