NORTHERN TECHNOLOGIES INTERNATIONAL CORP - FORM 10-K - EX-23.1 - EXHIBIT 23.1 - November 14, 2014

Attached files

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EX-10.6 - EXHIBIT 10.6 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_106.htm
EX-32.2 - EXHIBIT 32.2 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_322.htm
EX-31.1 - EXHIBIT 31.1 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_311.htm
EX-31.2 - EXHIBIT 31.2 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_312.htm
EX-32.1 - EXHIBIT 32.1 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_321.htm
EX-21.1 - EXHIBIT 21.1 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_211.htm
EX-10.9 - EXHIBIT 10.9 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_109.htm
EXCEL - IDEA: XBRL DOCUMENT - NORTHERN TECHNOLOGIES INTERNATIONAL CORPFinancial_Report.xls
10-K - FORM 10-K - NORTHERN TECHNOLOGIES INTERNATIONAL CORPf10k_111414.htm
Exhibit 23.1

 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
 


We consent to the incorporation by reference in the Registration Statement on Form S-3 (File No. 333-185271) and Registration Statements on Form S-8 (File Nos. 333-140244, 333-140245 and 333-171828) of Northern Technologies International Corporation and Subsidiaries of our report dated November 14, 2014, relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears on page 50 of this annual report on Form 10-K for the fiscal year ended August 31, 2014.
 
/s/ Baker Tilly Virchow Krause, LLP
 
Minneapolis, Minnesota
November 14, 2014

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