NAPLES, Fla., Sept. 21, 2012 (GLOBE NEWSWIRE) -- ACI Worldwide, Inc. (Nasdaq:ACIW), a leading international provider of payments systems, announced today it has entered into an agreement to repurchase from IBM warrants to purchase 1,415,565 shares of ACI common stock ($27.50 exercise price) and 1,077,035 shares of ACI common stock ($33.00 exercise price). This repurchase is conducted pursuant to ACI's previously announced $113 million share repurchase program. The warrants that are being repurchased were originally issued on December 16, 2007 in connection with the formation of the companies' strategic alliance. About ACI Worldwide ACI Worldwide powers electronic payments and banking for more than 1,650 financial institutions, retailers and processors around the world. ACI software enables $12 trillion in payments each day, processing transactions for 14 of the leading global retailers, and 24 of the world's 25 largest banks. Through our integrated 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, and trade finance. To learn more about ACI and the reasons why our solutions are trusted globally, please visit www.aciworldwide.com . You can also find us on www.paymentsinsights.com or on Twitter @ACI_Worldwide. © Copyright ACI Worldwide, Inc. 2012. 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. Forward-Looking Statements This press release contains forward-looking statements based on current expectations that involve a number of risks and uncertainties. All opinions, forecasts, projections, future plans or other statements, other than statements of historical fact, are forward-looking statements and include words or phrases such as "believes," "will," "expects," "anticipates," "intends," "estimates," "our view," "we see," "would" and words and phrases of similar import. The safe harbor provisions of the Private Securities Litigation Reform Act of 1995 do not apply to any forward-looking statements made in connection with an exchange offer.