S1 Corporation to Announce First Quarter 2011 Financial Results on May 4, 2011

/ Source: GlobeNewswire

NORCROSS, Ga., April 21, 2011 (GLOBE NEWSWIRE) -- S1 Corporation (Nasdaq:SONE), a leading global provider of payments and financial services software solutions, announced today that it will release financial results for the first quarter ended March 31, 2011 on May 4, 2011 after the close of the financial markets. Chief Executive Officer Johann Dreyer and Chief Financial Officer Paul Parrish will also host an investor conference call on May 5, 2011 at 8:30 a.m. Eastern time to discuss the results.

Participants may access the call by dialing (877) 899-9075 (United States) or (706) 758-0819 (International) and entering passcode 62139202. Investors may also access a live audio webcast of this conference call by visiting and entering the Investor Relations section under "About S1".

A replay of the webcast will be available approximately two hours after the conclusion of the call. A telephone replay will also be available approximately two hours after the conclusion of the call through May 19, 2011. To access the replay, please dial (800) 642-1687 or (706) 645-9291 and enter passcode 62139202.

About S1 Corporation

Leading banks, credit unions, retailers, and processors need technology that adapts to the complex and challenging needs of their businesses. These organizations want solutions that can respond quickly to changes in the marketplace and help grow their businesses.  For more than 20 years, S1 Corporation (Nasdaq:SONE) has been a leader in developing software products that offer flexibility and reliability. Over 3,000 organizations worldwide depend on S1 for payments, online banking, mobile banking, voice banking, branch banking and lending solutions that deliver a competitive advantage.  More information is available at .

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. Forward-looking statements may include projections of our revenue, expenses, Adjusted EBITDA, revenue backlog, capital expenditures, earnings per share, product development projects, future economic performance or management objectives. 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  or the SEC's web site at ) 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 for any reason, even if new information becomes available.

CONTACT: Investor Contact: Paul M. Parrish Chief Financial Officer 404.923.3500 paul.parrish@s1.com