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Carol Cowan
VP, Global Marketing & Product Management
Fiserv CBS Worldwide
Tel: +1 407 514 1146
Fax: +1 407 531 1504
carol.cowan@fiserv.com

Fiserv CBS Worldwide Solution Live in Six Months at CoopDesarrollo

October 31, 2006

Fiserv CBS Worldwide, a business unit of Fiserv Inc. (Nasdaq:FISV), today announced that CoopDesarrollo S.C.L. de C.V., the sixth largest credit union in Mexico, has successfully implemented Fiserv ICBS, the Fiserv international core banking solution. The implementation was completed in only six months.

Patricio Godínez, managing director of CoopDesarrollo, reinforced the position of Fiserv as a technology leader in the financial services industry. “Fiserv has provided us with technology that allows us to better serve our members, improve our controls, remain competitive in the market and be more creative. CoopDesarrollo is now positioned to more easily provide credit access for our growing member base, support small- and medium-sized businesses and promote the financial well-being of all our members, as well as the communities in which we operate,” said Godinez.

Fiserv ICBS is live in all of CoopDesarrollo’s 28 branches.

“We thank Patricio and the CoopDesarrollo team for selecting Fiserv and having the confidence in us for this project,” said Dan Alf, managing director of Latin America, Canada and the Caribbean for Fiserv CBS Worldwide. “Fiserv has invested significantly in Mexico, as this is a very important market for us and we recognize the long-term opportunity in this region. We will continue to move forward with our plans to expand our presence in Mexico.”

About CoopDesarrollo

Located in San Francisco del Rincon in Guanajuato, Mexico, CoopDesarrollo is a fast-growing credit union that currently services more than 100,000 members and underage savers.CoopDesarrollo already received the authorization from the Comision Nacional Bancaria y de Valores to operate as a credit union based on its compliance with the new regulation known as the “Ley de Ahorro y Crédito Popular.” For more information, please visit www.coopdesarrollo.com.mx.