ASO Airshares EU Carbon

AmSouth Bancorporation (NYSE: ASO) announced today that its Board of Directors increased the company's quarterly dividend 4 percent to $.26 per common share, payable Jan. 2, 2006, to shareholders of record as of Dec. 20, 2005. Based on the new dividend rate, AmSouth's dividend yield as of October 19, 2005, would be 4.2 percent. AmSouth holds Mergent's "Dividend Achiever" designation for its record of increasing dividends for 35 consecutive years, an honor accorded just 3 percent of U.S.-listed, dividend-paying publicly traded companies. About AmSouth AmSouth is a regional bank holding company with over $50 billion in assets, more than 685 branch banking offices and more than 1,200 ATMs. AmSouth operates in Florida, Tennessee, Alabama, Mississippi, Louisiana and Georgia. AmSouth is a leader among regional banks in the Southeast in several key business segments, including consumer and commercial banking, small business banking, mortgage lending, equipment leasing, and trust and investment management services. AmSouth also offers a complete line of banking products and services at its web site, www.amsouth.com.