Press Release

ACI Worldwide, Inc. To Release Third Quarter 2013 Financial Results

October 22, 2013

Conference Call Scheduled for November 7, 2013 at 8:30 am EST

NAPLES, Fla.--(BUSINESS WIRE)-- ACI Worldwide, Inc. (NASDAQ: ACIW), a leading international provider of electronic payments software and solutions, announced today that it will report its financial results for the third quarter 2013 on November 7, 2013. Management will host a conference call at 8:30 am EST to discuss these 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 ID code 90345878.

There will be a replay available for two weeks on (855) 859-2056 for US/Canada Dial-In and +1 (404) 537-3406 for International/Local Dial-In participants.

About ACI Worldwide

ACI Worldwide powers electronic payments and banking for more than 2,600 financial institutions, retailers, billers and processors around the world. ACI software enables $13 trillion in payments each day, processing transactions for more than 250 of the leading global retailers, and 18 of the world's 20 largest banks. Through our comprehensive suite of software products and hosted services, we deliver a broad range of solutions for payments processing; card and merchant management; online banking; mobile, branch and voice banking; fraud detection; trade finance; and electronic bill presentment and payment. To learn more about ACI, please visit www.aciworldwide.com. You can also find us on Twitter @ACI_Worldwide.

© Copyright ACI Worldwide, Inc. 2013.

ACI, ACI Payment Systems, the ACI logo and all ACI product names are trademarks or registered trademarks of ACI Worldwide, Inc., or one of its subsidiaries, in the United States, other countries or both. Other parties' trademarks referenced are the property of their respective owners.

Product roadmaps are for informational purposes only and may not be incorporated into a contract or agreement. The development release and timing of future product releases remains at ACI's sole discretion. ACI is providing the following information in accordance with ACI's standard product communication policies. Any resulting features, functionality, and enhancements or timing of release of such features, functionality, and enhancements are at the sole discretion of ACI and may be modified without notice. All product roadmap or other similar information does not represent a commitment to deliver any material, code, or functionality, and should not be relied upon in making a purchasing decision.

ACI Worldwide
John Kraft, 239-403-4627
Vice President, Investor Relations & Strategic Analysis
john.kraft@aciworldwide.com

Source: ACI Worldwide, Inc.

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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