Press Release

Metavante Completes VICOR Acquisition

Contact: Sam Baumgarten
Phone: 678-533-4861
Metavante Corporation
sam.beaumgarten@metavante.com

MILWAUKEE, Sept. 1, 2006 – Metavante Corporation, the banking and payments technology subsidiary of Marshall & Ilsley Corporation (NYSE: MI), has completed its acquisition, announced in June, of VICOR, Inc., of Richmond, Calif. The company will become a Metavante subsidiary within the company's Commercial Treasury Solutions division.

VICOR, a leading provider of corporate payment processing software, will enhance Metavante's existing commercial treasury offerings with the addition of a suite of solutions that optimize the processing of complex payments. VICOR's flagship product, Receivable Information Delivery System, (RIDS), is an industry leading remittance system that delivers wholesale, retail and scannable payment processing functionality on a single platform.

A recently released independent research report by Treasury Strategies, Inc., concluded that lockbox providers deploying VICOR's RIDS platform achieved performance superior to industry medians, on a per-item basis, as compared to non-VICOR platforms. Key findings included a 70 percent decrease in direct costs, an eight times greater gross margin increase, 70 percent higher throughput levels, and more than double the rate of keystroke productivity.

Metavante Commercial Treasury Solutions provide the technology and related outsourcing services to allow a financial institution's commercial clients to manage their cash and investments, as well as certain income statement items. Metavante's systems provide full accounting and reconciliation for such transactions, serving as the system of record and providing full regulatory compliance, risk assessment and fraud management tools. Metavante's solutions are used by approximately 90 percent of large commercial banks in the United States to meet the financial services and payment processing needs of thousands of large corporations, middle-market commercial firms and small businesses.

About VICOR, Inc.

VICOR, Inc. is the leading provider of solutions that optimize the processing of complex payments for businesses and financial institutions. By managing multiple payment types and formats across diverse distribution channels, VICOR helps businesses and financial institutions save time and money, attract new customers, generate revenue, and leverage existing technologies. In 2005, VICOR’s solutions processed over $1.4 trillion in payment volume, 222 million payment transactions and 335 million payment related documents. VICOR is headquartered in Richmond, CA. For more information about VICOR and its solutions, contact 510-621-2000 or visit www.vicor.com.

About Metavante

Metavante Corporation delivers banking and payments technologies to financial services firms and businesses worldwide. Metavante products and services drive account processing for deposit, loan and trust systems, image-based and conventional check processing, electronic funds transfer, consumer healthcare payments, and electronic presentment and payment. Headquartered in Milwaukee, Metavante (www.metavante.com) is wholly owned by Marshall & Ilsley Corporation (NYSE: MI).

The Metavante trademark is the intellectual property of Metavante Corporation. VICOR and RIDS are registered trademarks of VICOR, Inc.