ACI Worldwide (NASDAQ: ACIW), a leading international provider of electronic payment and banking systems, announced today that its Board of Directors has approved a three-for-one stock split effective through a dividend. Stockholders of record at the close of business on June 30, 2014 will receive two additional shares for every outstanding share held on the record date. The additional shares will be payable on July 10, 2014. This stock split is subject to stockholders approving an amendment to ACI Worldwide’s certificate of incorporation to increase the number of authorized common shares. This stockholder approval is expected to be obtained at the June 18, 2014 annual meeting of stockholders. ACI Worldwide had approximately 38 million common shares outstanding as of April 10, 2014. Shareholders are expected to approve a proposal to increase the company’s authorized common shares in order to effect this dividend at their annual meeting on June 18, 2014. Following the split, approximately 114 million common shares will be outstanding. About ACI WorldwideACI Worldwide, the Universal Payments company, powers electronic payments and banking for more than 5,000 financial institutions, retailers, billers and processors around the world. ACI software processes $13 trillion in payments and securities transactions for more than 250 of the leading global retailers, and 21 of the world’s 25 largest banks. Through our comprehensive suite of software products and hosted services, we deliver a broad range of solutions for payment 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. 2014.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.