ALLETE, Inc. announced that its board of directors has increased the quarterly dividend on the company's common stock to 46 cents per share. The increased dividend is equivalent to $1.84 per share on an annualized basis, an increase of 3.4% over total dividends paid in 2011. The regular quarterly dividend is payable March 1,2012 to common shareholders of record at the close of business February 15, 2012.