Fiserv, Inc. has entered the Fortune 500 ranking of the largest companies in the U.S.

BROOKFIELD, Wis.
April 5, 2006

Fiserv Inc. (Nasdaq:FISV) has entered the Fortune 500 ranking of the largest companies in the United States. The Brookfield-based provider of financial and health benefits technology ranked 488 on the 2006 listing with $4.1 billion in total revenues, up 22 places from 510 in 2005. The annual ranking, published by Fortune magazine, was announced this week and will appear in the publication's April 17 issue.

Fiserv's crossing of the threshold into the Fortune 500 is a testament to the hard work and commitment of our employees," said Jeff Yabuki, Fiserv's president and chief executive officer. "We remain focused on consistently delivering high-quality products and services for our clients, which we believe will result in continued future growth."

Fiserv is one of only three financial data services providers listed among the Fortune 500 companies and one of seven among the Fortune 1,000 firms. Fiserv is also one of 10 Wisconsin companies to make the top 500 listing and one of 25 state firms ranked among the top 1,000 companies.

About Fiserv

Fiserv, Inc. (Nasdaq:FISV) provides information management systems and services to the financial and health benefits industries, including transaction processing, business process outsourcing and software and systems solutions. The company serves more than 17,000 clients worldwide, including banks, credit unions, financial planners and investment advisers, insurance companies and agents, self-funded employers, lenders and savings institutions. Headquartered in Brookfield, Wis., Fiserv reported $4.1 billion in total revenues for 2005. Fiserv was ranked the largest provider of information technology services to the U.S. financial services industry in the 2004 and 2005 FinTech 100 surveys by the American Banker newspaper and the Financial Insights research firm. Fiserv can be found on the Internet at www.fiserv.com.