First Interstate Bancsystem Inc. announced that its Executive Committee of the Board of Directors, at a meeting held on April 25, 2013, declared a dividend of $0.13 per common share. The dividend is payable on May 15, 2013 to owners of record as of May 6, 2013.

First Interstate Bancsystem Inc., Board Meeting, Apr 25, 2013. Agenda: To consider the dividend.

First Interstate Bancsystem Inc. reported unaudited consolidated financial results for the first quarter ended Mar. 31, 2013. The company reported first quarter 2013 net income available to common shareholders of $20.0 million, or $0.46 per diluted share, as compared to $16.1 million, or $0.37 per diluted share, for fourth quarter 2012, and $11.4 million, or $0.26 per diluted share, for the first quarter 2012. Net interest income was $59,277,000 against $60,634,000 for the first quarter 2012. Income before taxes was $30,911,000 against $18,326,000 for the first quarter 2012. Book value at quarter end was $17.69 against $16.88 for the first quarter 2012. Tangible book value at quarter was $13.35 against $12.47 for the first quarter 2012. Return on average assets was 1.08% against 0.67% for the first quarter 2012. Return on average common equity was 10.68% against 6.32% for the first quarter 2012. Net interest income was down $1.7 million from last quarter with most of the decrease attributable to 2 less accrual days. During the first quarter of 2013, the company charged-off loans of $6.0 million, as compared to charge-offs of $10.3 million during fourth quarter 2012, and charge-offs of $9.1 million during first quarter 2012.