EX-23 4 ex23-1.htm

NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION EXHIBIT 23.1 8/31/02

Exhibit 23.1

INDEPENDENT AUDITORS’ CONSENT

We consent to the incorporation by reference in Registration Statements No. 333-33931 and No. 333-32596 of Northern Technologies International Corporation on Form S-8 of our report dated November 15, 2002, appearing in the Annual Report on Form 10-KSB of Northern Technologies International Corporation for the fiscal year ended August 31, 2002.

/s/ Deloitte & Touche LLP

Minneapolis, Minnesota
November 27, 2002