ATLANTA and LONDON, January 24 /PRNewswire/ --

- Demonstration of ongoing commitment to innovation was key to award selection

S1 Enterprise, a division of S1 Corporation (Nasdaq: SONE) and a leading provider of multichannel financial services software, today announced that the company has been named as one of Financial-i magazine's "Leaders in Innovation" Award winners for 2007 in the category of Trade Finance. The innovation award, presented to S1 in December 2007, acknowledges the S1 Trade Finance solution's ability to solve specific business issues.

"Financial-i was impressed with the open architecture of S1 Enterprise and its ability to integrate with corporate enterprise and cash management systems, as well as providing flexibility for future developments and new solutions in the trade finance space," said Anita Hawser, Managing Editor of Financial-i, a leading European business technology publication focused on transaction banking.

Financial-i magazine worked with an advisory panel comprising industry analysts and thought leaders to garner their feedback on industry solutions. The advisory panel reviewed financial technology innovations over the last 12 months, the significant impact of those innovations on the ability of banks to deploy these business solutions cost effectively, the flexibility of deployment and integration, and the ability to use these solutions to solve business specific issues or concerns.

"With an expanding global and quickly evolving marketplace, financial institutions demand an online trade finance solution that meets and exceeds their customers' needs," said Jan Kruger, president of S1 Enterprise. "This award further recognizes S1 Enterprise's innovation and dedication to deliver a world class trade solution."

S1 Enterprise launched the Enterprise version of the Trade Finance Solution in 2007. S1 Enterprise Trade Finance offers banks traditional and innovative functionality from letters of credit and guarantees to open account transactions and purchase order processing. A powerful user interface and strong reporting provide valuable customer retention and granular data integration with the bank's back-office systems to improve Straight Through Processing and make the bank more efficient. S1 Enterprise Trade Finance integrates over 15 years of experience building trade finance systems with some of the largest banks in the world.

About S1 Enterprise

More than 100 banks and three million consumer, small business, and corporate users worldwide rely on S1 Enterprise solutions to access and manage their financial information. An independent division of S1 Corporation (Nasdaq: SONE), S1 Enterprise is a leading provider of integrated banking solutions that deliver financial service providers a holistic view of their customer via a common technology platform regardless of delivery channel - branch, call center, Internet, or voice. Additional information about S1 Enterprise is available at www.S1Enterprise.com

About S1 Corporation

S1 Corporation (Nasdaq: SONE) delivers customer interaction software for financial and payment services. Worldwide, more than 3,000 customers use S1 software solutions, which are comprised of applications that address virtually every market segment and every delivery channel. Community banks, regional banks, national banks, credit unions, retailers, telcos, and processors all rely on the banking and payments software delivered under three brand names: Postilion, S1 Enterprise and FSB Solutions. Additional information about S1 solutions is available at www.s1.com, www.postilion.com, www.S1enterprise.com, and www.fsb-solutions.com.

Forward-Looking Statements

This press release contains forward-looking statements within the safe harbor provisions of the Private Securities Litigation Reform Act. These statements include statements with respect to our financial condition, results of operations and business. The words "believes," "expects," "may," "will," "should," "projects," "contemplates," "anticipates," "forecasts," "intends" or similar terminology identify forward-looking statements. These statements are based on our beliefs as well as assumptions made using information currently available to us. Because these statements reflect our current views concerning future events, they involve risks, uncertainties and assumptions. Therefore, actual results may differ significantly from the results discussed in the forward-looking statements. The risk factors included in our reports filed with the Securities and Exchange Commission (and available on our web site at www.s1.com or the SEC's web site at www.sec.gov) provide examples of risks, uncertainties and events that may cause our actual results to differ materially from the expectations we describe in our forward-looking statements. Except as provided by law, we undertake no obligation to update any forward-looking statement.

Web site: http://www.s1.com http://www.postilion.com http://www.S1enterprise.com http://www.fsb-solutions.com

Carmen Crutchfield, +44-(0)-1932-574-741, carmen.crutchfield@s1.com, or Missy Rose, +1-704-423-2504, Missy.rose@s1.com, both of S1 Enterprise