Ascend Federal Credit Union Adopts FSB Solutions' CrediSphere(TM) for New Lending Platform

Accelerate lending decisions

WEST HILLS, Calif., Feb. 13 /PRNewswire-FirstCall/ -- Full-Service
Banking (FSB) Solutions, a leader in branch automation and lending
origination products and a division of S1 Corporation (Nasdaq: SONE), today
announced that Ascend Federal Credit Union will begin using the FSB
CrediSphere(TM) Universal Lending Platform.

The Tullahoma, Tennessee based credit union plans to automate credit
application, processing, underwriting, document preparation, and closing
functions with the CrediSphere(TM) Platform in all 14 of its financial
centers. The program will touch multiple aspects of consumer lending,
including personal, vehicle, home equity, and student loans.

"The CrediSphere(TM) Platform will significantly reduce the time it
takes to receive and review loan applications," Ascend's Vice President of
Lending, Adam Corcoran, said. "The system will also enable streamlined
processing of loan requests including member and collateral data
integration, cross-selling, electronic document preparation, and host
system booking."

Rick Hughes, FSB Director of Lending Products, said the
"CrediSphere(TM) Platform enables financial institutions to achieve a
unique level of lending process productivity and control. We welcome the
opportunity of a long-term partnership with Ascend."

About Ascend Federal Credit Union

Ascend Federal Credit Union is all about "Raising Possibilities." For
the past 56 years, Ascend FCU has delivered exceptional services. Started
as a one-room operation in 1951 to serve the employees of Arnold Air Force
Base, Ascend FCU has grown to a 14-facility financial institution,
servicing over 120,000 members. Ascend FCU is unique in that, unlike many
financial institutions, they are mutually owned and governed by the members
they serve. Loyalty not to profits but to their members empowers Ascend to
offer benefits others can't -- including fewer fees, lower loan rates, and
higher savings rates.

About FSB Solutions

FSB Solutions is an industry leader in branch automation and lending
origination products and a division of S1 Corporation (Nasdaq: SONE). FSB
Solutions' products are currently installed in over 1,000 financial
institutions at some 100,000+ workstations. FSB Solutions combines the
strengths of two great product suites, FSB Branch Automation and FSB
Lending Solutions, with a robust development, support, and services
organization dedicated to superior customer care and the delivery of
value-generating Branch Automation and Credit Origination solutions for the
financial industry. Additional information about FSB Solutions is available
at http://www.fsb-solutions.com or by phone at 818.577.2229.

About S1 Corporation

S1 Corporation (Nasdaq: SONE) delivers customer interaction software
for financial and payment services and offers unique solution sets for
financial institutions, retailers, and processors. S1 employs over 1,400
people in operations throughout North America, Europe and Middle East,
Africa, and Asia- Pacific regions. Worldwide, more than 3,000 customers use
S1 software solutions, which are comprised of applications that address
virtually every market segment and delivery channel. S1 partners with
best-in-class organizations to provide flexible and extensible software
solutions for its customers. Additional information about S1 solutions is
available at http://www.s1.com, http://www.postilion.com, http://www.S1enterprise.com, and
http://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 http://www.s1.com or the SEC's web site at
http://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.