Marshall & Ilsley Corporation Announces Third Quarter 2008 Dividend

MILWAUKEE, Aug. 21 /PRNewswire-FirstCall/ — Marshall & Ilsley Corporation (NYSE:MI) (M&I) today announced its Board of Directors has declared a regular quarterly cash dividend of $0.32 per share on its common stock. The dividend is payable on September 12, 2008, to shareholders of record at the close of business on September 2, 2008.

Marshall & Ilsley Corporation (NYSE:MI) is a diversified financial services corporation headquartered in Milwaukee, Wis., with $64.3 billion in assets. Founded in 1847, M&I Marshall & Ilsley Bank is the largest Wisconsin- based bank, with 193 offices throughout the state. In addition, M&I has 52 locations throughout Arizona; 32 offices in Indianapolis and nearby communities; 31 offices along Florida’s west coast and in central Florida; 15 offices in Kansas City and nearby communities; 25 offices in metropolitan Minneapolis/St. Paul, and one in Duluth, Minn.; and one office in Las Vegas, Nev. M&I’s Southwest Bank subsidiary has 17 offices in the greater St. Louis area. M&I also provides trust and investment management, equipment leasing, mortgage banking, asset-based lending, financial planning, investments, and insurance services from offices throughout the country and on the Internet (http://www.mibank.com/ or http://www.micorp.com/). M&I’s customer-based approach, internal growth, and strategic acquisitions have made M&I a nationally recognized leader in the financial services industry.

First Call Analyst:
FCMN Contact: sara.schmitz@micorp.com

Source: Marshall & Ilsley Corporation