NTI Northern Technologies International

Stock will be listed as NTIC upon switch to NASDAQ MINNEAPOLIS, June 17 /PRNewswire-FirstCall/ -- Northern Technologies International Corporation (AMEX:NTI) announced today that it has been approved for listing on the NASDAQ Global Market. NTIC's board of directors approved the decision to switch the listing of NTIC's common stock from The American Stock Exchange to The NASDAQ Stock Global Market LLC(R) (NASDAQ:NTIC). The company expects its common stock to begin trading on NASDAQ under the new symbol NTIC on or around June 30, 2008. NTIC's common stock will continue to trade on the American Stock Exchange under the old symbol, NTI, until such date. (Logo: http://www.newscom.com/cgi-bin/prnh/20080617/AQTU120LOGO) "Northern Technologies' move to the NASDAQ will not only enhance trading liquidity in our shares and provide greater exposure to institutional investors, but also offer a better vehicle to promote company growth and reach out to shareholders," said G. Patrick Lynch, NTIC's chief executive officer. "Our move to the NASDAQ was a logical step, reached after careful consideration of capital market alternatives and an analysis of the electronic market model, which offered increased visibility to our investors," explained Lynch. About Northern Technologies International Corporation Northern Technologies International Corporation (NTIC) focuses on developing, marketing and selling proprietary environmentally responsible materials science based products and technical services directly and via a network of independent distributors, manufacturers' representatives and joint ventures in over 50 countries. NTIC manufactures, markets and sells primarily rust and corrosion inhibiting products and services for automotive, electronics, electrical, mechanical and military applications, sold under the brand names Zerust(R) and EXCOR(R). NTIC also offers direct, worldwide on-site technical support on rust and corrosion issues. NTIC's technical service representatives work directly with the end users of NTIC's products to analyze their specific needs and develop systems to meet their technical requirements. In addition to Zerust products and services, NTIC's consolidated net sales in North America for the six months ended February 29, 2008 included sales of NTIC's Natur-Tec(TM) products, which are part of NTIC's new biodegradable and compostable plastics line. For more information, visit http://www.ntic.com/. About NASDAQ NASDAQ(R) is the largest U.S. electronic stock market. With approximately 3,200 companies, it lists more companies and, on average, its systems trade more shares per day than any other U.S. market. NASDAQ is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks. For more information on NASDAQ, visit the NASDAQ Web site at http://www.nasdaq.com/ or the NASDAQ Newsroom(SM) http://www.nasdaq.com/newsroom. Forward-Looking Statements Statements contained in this press release that are not historical information are forward-looking statements as defined within the Private Securities Litigation Reform Act of 1995. Such statements can be identified by words such as "expect," "anticipate," "continued," "estimate," "will," "would," or words of similar meaning and any other statements that are not historical facts. Such forward-looking statements are based upon the current beliefs and expectations of NTIC's management and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those projected or implied. Such potential risks and uncertainties include, but are not limited to, in no particular order: the contraction of the U.S. automobile industry and its adverse effect on the demand for NTIC's Zerust products, the failure of NTIC to realize any benefits, financial or otherwise, from its efforts to expand the application of its corrosion inhibiting technology into the oil and gas industry and its product line, the difficulties and risks associated with NTIC's international operations and its corporate joint ventures, and NTIC's reliance on its joint ventures for distributions and fees for technical services. More detailed information on these and additional factors which could affect NTIC's operating and financial results is described in the company's filings with the Securities and Exchange Commission, including its most recent annual report on Form 10-KSB and subsequent quarterly reports on Form 10-QSB. NTIC urges all interested parties to read these reports to gain a better understanding of the many business and other risks that the company faces. Additionally, NTIC undertakes no obligation to publicly release the results of any revisions to these forward- looking statements, which may be made to reflect events or circumstances occurring after the date hereof or to reflect the occurrence of unanticipated events. http://www.newscom.com/cgi-bin/prnh/20080617/AQTU120LOGO DATASOURCE: Northern Technologies International Corporation CONTACT: Matthew Wolsfeld of Northern Technologies International Corporation, +1-763-225-6600, ; or Sarah Shamla of Tunheim Partners, +1-952-851-7279, , for Northern Technologies International Corporation Web site: http://www.ntic.com/

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