ACI Worldwide announces new CFO

ACI Worldwide, Inc. has announced that Henry C. Lyons, Chief Financial Officer, has resigned effective March 1, 2008, to pursue another opportunity. Effective February 29th, Scott Behrens, Chief Accounting Officer, will lead the accounting, reporting, tax, contracting and financial systems functions and also serve as our principal financial officer. Behrens has been with the Company since June 2007. Craig Maki, Senior Vice President of Corporate Development and Treasurer, will oversee our Financial Planning and Analysis and Investor Relations functions.