ACI Worldwide, Inc. Adds Board Members.

NEW YORK -- ACI Worldwide, Inc. (NASDAQ:ACIW), today announced that it has added two members to its board of directors, bringing the total number of board members to seven. Alfred K. Berkeley, III Chairman and CEO, Pipeline Trading Systems LCC and Jan H. Suwinski, a Professor of Business Operations at the Samuel Curtis Johnson Graduate School of Management at Cornell University, have joined the board effective September 6, 2007. Mr. Berkeley will serve as a member of the Board's audit committee and Mr. Suwinski will serve as a member of the Board's compensation committee.

"We are extremely pleased to have Alfred and Jan join our board of directors," said Philip G. Heasley, Chief Executive Officer. "Alfred's vast experience in both corporate finance and capital markets issues complements the current skill set on our Board and will be accretive to the audit committee function. Jan's depth of knowledge in the software product sector will equally serve to enhance our understanding of the business opportunities facing ACI as we continue to implement our global distribution and multi product strategy."

Mr. Berkeley was appointed Vice Chairman of the NASDAQ Stock Market Inc. in July 2000, serving through July 2003, and he served as President of NASDAQ from 1996 until 2000. From 1972 to 1996, Mr. Berkeley served in a number of capacities at Alex.

Brown & Sons Inc., including Managing Director and Senior Banker, in the corporate finance department where he financed computer software and electronic commerce companies. Prior to joining Alex. Brown & Sons, he served as a captain in the United States Air Force and a major in the United States Air Force Reserve. Mr. Berkeley holds a B.A. from the University of Virginia and received his M.B.A. from the Wharton School at the University of Pennsylvania. Mr. Berkeley is also a director of Kintera, Inc. (NASDAQ:KNTA) and Webex Communications, Inc. which was acquired by Cisco Systems, Inc. (NASDAQ:CSCO) in May 2007.

Mr. Suwinski has been a professor at Cornell University since 1997. From 1992 to 1996, Mr. Suwinski served as the Chairman of Siecor Corporation and from 1990 to 1996 he served as Executive Vice President of the Opto Electronics Group, Corning Incorporated. Mr. Suwinski holds an M.B.A. and B.M.E. from Cornell University. Mr. Suwinski is also a director of Tellabs, Inc. (NASDAQ:TLAB) and Thor Industries, Inc. (NYSE:THO). He also serves as a director on two private company boards.

About ACI Worldwide, Inc.

Every second of every day, ACI Worldwide solutions are at work processing electronic payments, managing risk, automating back office systems and providing application infrastructure services. ACI is a leading international provider of solutions for banking, retail 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 at www.aciworldwide.com.