NORTHERN TECHNOLOGIES INTL. CORP.

(NTIC) Makes materials-science-based industrial packaging products and systems and rust- and corrosion-inhibiting products.The company confirmed its sales and earnings guidance for the year ending Aug. 31. It expects sales in range of $27 million to $28 million and net income between $4.4 million and $4.7 million.1st quarter FY2013, 11/30

20132012% chg.Revenue$5,291.7$4,832.1+9.5Income389.6958.8-59.4Earn/share0.090.22-59.1 Figures in thousands except for earnings per share.