ACI Worldwide Inc To Release June 2007 Financial Results

Conference Call Scheduled for September 20, 2007 at 8:30 am EDT

Monday, September 10, 2007

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 84 countries including many of the world's largest financial institutions, retailers and payment processors.  Visit ACI Worldwide at