 MINNEAPOLIS, Jan. 15, 2021 GLOBE NEWSWIRE -- Northern Technologies International Corporation NASDAQ: NTIC, a leading developer of corrosion inhibiting products and services, as well as bio-based and biodegradable polymer resin compounds, today announced that the Board of Directors reinstated and declared a quarterly cash dividend of 0.065 per share payable on February 17, 2021 to shareholders of record at the close of business on February 3, 2021. 