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

2013 2012 % chg. Revenue $5,291.7 $4,832.1 +9.5 Income 389.6 958.8 -59.4 Earn/share 0.09 0.22 -59.1

Figures in thousands except for earnings per share.