Allstate Increases Quarterly Dividend 4.8 Percent NORTHBROOK, Ill., Feb. 21, 2012 /PRNewswire/ -- The Allstate Corporation (NYSE: ALL) today announced a quarterly dividend of 22 cents on each outstanding share of the Corporation's common stock, payable in cash on April 2, 2012 to stockholders of record at the close of business on March 5, 2012. This dividend is a 4.8 percent increase from the dividend declared in the previous quarter.