NORTHERN TECHNOLOGIES INTERNATIONAL CORP - FORM 8-K - EX-99.1 - EXHIBIT 99.1

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8-K - FORM 8-K - NORTHERN TECHNOLOGIES INTERNATIONAL CORP	f8k_071816.htm

Exhibit 99.1

NORTHERN TECHNOLOGIES INTERNATIONAL CORP - FORM 8-K - EX-99.1 - EXHIBIT 99.1 - July 18, 2016