JCB Upgrades Capacity and Extends Agreement for ACI Payments Software

ACI Worldwide (NASDAQ: TSAI), a leading international provider of software for electronic payment systems, today announced that JCB Co., Ltd. increased its card processing capacity with ACI’s BASE24® software to accommodate future growth in international transactions. JCB also agreed to leverage the solution for an additional five years. JCB has been an ACI customer for the past decade, having migrated their payment system to BASE24 as part of a strategy to expand their international business and increase card acceptance globally. The company used ACI software to implement a switch in the United States, while retaining authorization functions in Japan. "ACI’s products are the gold-standard in the industry,” said Hiroaki Suwabe, senior vice president of international systems planning at JCB. "We chose ACI not only for the quality of its products but also for its unmatched experience in the card industry.” JCB currently operates its BASE24 solution to process JCB transactions in the United States. BASE24’s flexibility and scalability ensure that JCB’s system will accommodate increasing transaction volumes. "As the JCB brand expands its geography, we look forward to further strengthening our partnership with ACI,” Suwabe said. "ACI’s products can grow with both our business and our transaction volumes.” "ACI looks forward to maintaining a strong, long-term partnership with JCB,” said Jeremy Wilmot, president of ACI Asia/Pacific. "BASE24 is a solution that will grow with our customer’s business, so JCB will always be able to count on ACI to meet its processing needs.” About JCB JCB is a major global payment brand and one of the leading credit card issuers and acquirers in Japan. JCB launched its card business in Japan in 1961 and began expanding overseas in 1981. Its merchant network includes 14 million merchants and spans 190 countries and territories. JCB cards are now issued in 20 countries and territories, with more than 59 million card members. As part of its international growth strategy, JCB has formed alliances with more than 350 leading banks and financial institutions globally to increase merchant coverage and card member base. As a comprehensive payment solution provider, JCB commits to provide responsive and high-quality service and products to all customers worldwide. For more information, visit: www.jcbcorporate.com/english. About ACI Worldwide Every second of every day, ACI solutions are at work processing electronic payments, managing risk, automating back office systems and providing application infrastructure services. Founded in 1975, ACI is a leading international provider of solutions for retail banking, wholesale banking and cross-industry systems. ACI serves more than 800 customers in 84 countries including many of the world's largest financial institutions, retailers and payment processors. Visit ACI Worldwide on the Internet at www.aciworldwide.com. Any statements in this press release regarding projected results are preliminary and "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, this press release may contain other forward-looking statements including statements regarding Transaction Systems Architects, Inc.’s ("TSA”), its subsidiaries or third parties’ expectations, predictions, views, opportunities, plans, strategies, beliefs, and statements of similar effect. The forward-looking statements in this press release are subject to a variety of risks and uncertainties. Actual results could differ materially. For a detailed discussion of these and other risk factors, interested parties should review the Company's filings with the Securities and Exchange Commission, including the Company’s Form 10-K filed on May 11, 2007.