ACI Worldwide Inc Announces CFO Resignation Behrens to be appointed principal financial officer

Friday, February 15, 2008

“I would like to thank Henry for the leadership he has provided during his tenure.  I would also like to express my confidence in Craig, Scott and the rest of the finance team.  The finance function is in good hands” Heasley stated.

Notes to editors

About ACI Worldwide, Inc.

Every second of every day, ACI Worldwide solutions are at work processing electronic payments, managing risk, automating back office systems and providing application infrastructure services.   ACI is a leading international provider of solutions for banking, retail and cross-industry systems.  ACI serves more than 800 customers in 86 countries including many of the world's largest financial institutions, retailers and payment processors.  Visit ACI Worldwide at