Press Release

Transaction Systems Architects Updates Investor Conference Call Schedule

February 28, 2007
Transaction Systems Architects Updates Investor Conference Call Schedule
About Transaction Systems Architects, Inc.

Every second of every day, TSA solutions are at work processing electronic payments, managing risk, automating back office systems and providing application infrastructure services.  Founded in 1975, TSA is a leading international provider of solutions for banking, retail and cross-industry systems.  TSA serves more than 800 customers in 83 countries including many of the world's largest financial institutions, retailers and payment processors.  Visit Transaction Systems Architects at www.tsainc.com.

Investor Contacts

John Kraft, Head of Strategy & Finance
Email: john.kraft@aciworldwide.com

Global Headquarters:
ACI Worldwide
2811 Ponce de Leon Blvd, PH1
Coral Gables, FL 33134