<SEC-DOCUMENT>0001171843-18-008238-index.html : 20181130
<SEC-HEADER>0001171843-18-008238.hdr.sgml : 20181130
<ACCEPTANCE-DATETIME>20181130090016
ACCESSION NUMBER:		0001171843-18-008238
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20181130
DATE AS OF CHANGE:		20181130
EFFECTIVENESS DATE:		20181130

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11038
		FILM NUMBER:		181209953

	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>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14a_113018.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14a_113018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>proxy1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: proxy1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>proxy2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: proxy2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>proxy3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: proxy3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>proxy4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: proxy4.jpg

</DOCUMENT>
</SEC-DOCUMENT>