ACI Worldwide, Inc. to Present At the Wedbush Morgan Securities Conference

NEW YORK, May 14, 2008 (PRIME NEWSWIRE) -- ACI Worldwide, Inc. today announced that it will present at the Wedbush Morgan Securities Management Access Conference in New York City on Wednesday May 21st, 2008. Philip G. Heasley, Chief Executive Officer, will be the speaker.

The conference will be webcast by Wall Street Webcasting at 1.30 pm EDT and interested persons may access a real time broadcast at http://www.aciworldwide.com/InvestorRelations.

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's solutions enable online payment processing, online banking, fraud prevention and detection, and back office services such as settlement, account management, card management and dispute processing. ACI solutions provide market-leading levels of reliability, manageability and scale to over 800 customers in 88 countries. Visit ACI Worldwide at www.aciworldwide.com.

CONTACT:  ACI Worldwide, Inc.
          Investors Contact:
          Tamar Gerber, Vice President, Investor Relations
            646.348.6706
          Media Contact:
          Jim Maxwell, Manager, Public Relations
            402.390.8906

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