Press Release

ACI Worldwide Inc To Release Second Quarter 2009 Financial Results

July 23, 2009
ACI Worldwide Inc To Release Second Quarter 2009 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: (800) 340-8364,
International/Local:  (706) 634-2207.  
Please provide your name, the conference name ACI Worldwide, Inc. and conference code 21558233.

There will be an encore replay available for two weeks on (800) 642-1687 for US/Canada Dial-In and (706) 645-9291 for International/Local Dial-In participants.  Conference code 21558233.

About ACI Worldwide, Inc.

ACI Worldwide is a leading provider of electronic payments software and services to major banks, retailers and processors around the world. The company enables online payment processing, online banking, fraud prevention and detection, and back-office services. ACI solutions provide market-leading levels of reliability, manageability and scale, to more than 700 customers in 88 countries. Visit ACI Worldwide at www.aciworldwide.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