Northern Technologies International Corp. reported unaudited consolidated earnings results for the first quarter ended November 30, 2012. For the quarter, the company reported total net sales of $5,291,747 compared to $4,832,114 a year ago. This increase was primarily a result of increased sales of Natur-Tec(R) products and ZERUST(R) rust and corrosion inhibiting packaging products and services. Operating income was $873,664 compared to $1,032,502 a year ago. Income before income tax expense was $892,536 compared to $1,041,421 a year ago. Net income attributable to the company was $389,622 or $0.09 basic and diluted per share compared to $958,757 or $0.22 basic and diluted per share a year ago. This decrease was primarily the result of decreases in gross profits of NTIC's North American businesses as well as decreases in sales and earnings of NTIC's subsidiary in Brazil. Net cash used in operating activities was $1,474,140 compared to $1,785,543 a year ago. Additions to property and equipment were $67,165 compared to $51,031 a year ago.

The company provided earnings guidance for the fiscal year ending August 31, 2013. For the year, the company has not changed its previous guidance and expects its net sales to range between $27.0 million and $28 million, and expects net income of between $4.4 million to $4.7 million, or between $1.00 and $1.05 per diluted share.