Press Release

ACI Worldwide, Inc. To Release Fourth Quarter and Calendar Year 2010 Financial Results

February 1, 2011
ACI Worldwide, Inc. To Release Fourth Quarter and Calendar Year 2010 Financial Results

Interested persons may access a real-time audio broadcast of the teleconference at http://www.aciworldwide.com/investorrelations or use the following numbers for dial in participation:  US/Canada: (866) 914-7436, International/Local: +1 (817) 385-9117. Please provide your name, the conference name ACI Worldwide, Inc. and conference code 41037084.

About ACI Worldwide

ACI Worldwide powers electronic payments for more than 750 financial institutions, retailers and processors around the world. The company has a broad and integrated suite of electronic payment software in the market. More than 75 billion times each year, ACI’s solutions process consumer payments. On an average day, ACI software manages more than US$12 trillion in wholesale payments. And for more than 150 organizations worldwide, ACI software helps to protect their customers from financial crime. To learn more about ACI and understand why we are trusted globally, please visit www.aciworldwide.com. You can also find us on www.paymentsinsights.com or on Twitter @ACI_Worldwide.

Contact details

For more information contact:
Tamar Gerber
Vice President, Investor Relations & Financial Communications
ACI Worldwide
+1 646 348 6706

Investor contacts

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

Global headquarters:
ACI Worldwide
6060 Coverntry Drive
Elkhorn, NE 68022