Attached files

file filename
10-K - FORM 10-K - NORTHERN TECHNOLOGIES INTERNATIONAL CORPf10k_111811.htm
EX-23.1 - EXHIBIT 23.1 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_231.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-21.1 - EXHIBIT 21.1 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_211.htm
EX-32.1 - EXHIBIT 32.1 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_321.htm
EX-10.16 - EXHIBIT 10.16 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_1016.htm
EX-10.13 - EXHIBIT 10.13 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_1013.htm
EX-10.12 - EXHIBIT 10.12 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_1012.htm
EX-10.14 - EXHIBIT 10.14 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_1014.htm
EX-10.15 - EXHIBIT 10.15 - NORTHERN TECHNOLOGIES INTERNATIONAL CORPexh_1015.htm
Exhibit 32.2
 
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT
TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
 
In connection with the Annual Report of Northern Technologies International Corporation (the “Company”) on Form 10-K for the period ending August 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Matthew C. Wolsfeld, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge and belief:
 
(1)  
The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)  
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.


 
Matthew C. Wolsfeld, CPA
 
Chief Financial Officer and Corporate Secretary
(principal financial officer and principal accounting officer)

Circle Pines, Minnesota
November 18, 2011