MILWAUKEE - 13 March 2007

Metavante Corporation, the banking and payments technology subsidiary of Marshall & Ilsley Corporation (NYSE: MI), today announced that American Bank & Trust Company, N.A. has signed a comprehensive long-term agreement for the Metavante Integrated Banking Solution, the Metavante outsourced core processing system. American Bank and Trust is headquartered in Davenport, Iowa, with bank locations in eastern Iowa and throughout northern Illinois.

“We are a growth-oriented company with a very aggressive strategic plan. After extensive comparison and due diligence among several of the top core processing providers in the industry, our selection committee found Metavante to be the most resourceful, progressive and economical choice for our future,” said John T. Kustes, executive vice president, operations, American Bank & Trust. “Metavante’s demonstrated service levels, accountability and team approach to core processing makes us feel as if we’ve added extensive technology resources to our company without having to incur additional personnel expenses.”

Metavante is providing American Bank & Trust with an extensive suite of banking and payments solutions, including core account processing, item processing and electronic funds transfer and card services. In addition, American Bank & Trust will employ Sendpoint™, Metavante’s outsourced distributed image capture service, to capture, receive, and aggregate check image deposits from anywhere payment capture occurs.

“American Bank & Trust explained to us where they are today and what they desire to become in the future. We clearly demonstrated that Metavante has the knowledge, experience and proven systems in place to enable them to increase its market presence,” said Jamie Geschke, president, Metavante Banking and Trust Solutions. “We offer an expansive financial service offering to the market and the scalability of our solutions will support the growth objectives of any size bank without the need of working with multiple vendors.”

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