NORCROSS, Ga. and CAPE TOWN, South Africa, Jan. 10, 2011 (GLOBE
NEWSWIRE) -- S1 Corporation (Nasdaq:SONE), a leading global provider of
payments and financial services software solutions, today announced
that PEP, one of the largest single-brand retailers in South Africa,
has gone live with the S1 Retail Payments solution to process card
payments at its retail stores.

To date, PEP has rolled out the S1 Retail Payments solution to over
5,150 points of sale (POS) at over 1,165 locations. In total, PEP
operates more than 1,600 stores with over 15,000 employees. PEP
traditionally operated solely on a cash basis but in response to
growing customer demand to allow payment by bank card and other
emerging payment instruments, PEP licensed the S1 Retail Payments
solution to seamlessly integrate with its electronic POS terminals and
information technology infrastructure. Card payment transactions
originating from PEP stores are sent to their processor, eCentric
Switch, which runs S1's Merchant Acquiring solution. Additionally,
eCentric Switch has implemented the S1 active/active feature in order
to provide PEP with resilience and high availability in the event of
planned or unplanned downtime in communications, hardware, or software.

The roll-out of PEP is the first implementation as part of a broader
agreement with Pepkor, a South African based investment holding
company. Pepkor has retail interests in ten African countries as well
as Australia and Poland. The group, established in 1965, manages a
portfolio of retail chains focused on the value market and selling
predominantly clothing, footwear, and textiles. Its primary operating
subsidiaries are PEP and Ackermans in South Africa and Best & Less in
Australia.

"We selected S1 based on their strong reputation among major financial
institutions, retailers, and payment processors around the world and
specifically in South Africa," said Louis Brand, Commercial Director
for PEP. "The S1 Retail Payments solution will assist PEP in ensuring
that its payments infrastructure operates as do the rest of its
operations--at the highest level of quality and at the lowest overall
cost. The S1 payments platform will also allow us to introduce new
payment instruments and emerging value-added services when the business
requires."

"PEP's implementation of the S1 Retail Payments solution reflects
continued success in the retail payments market," said Francois van
Schoor, Divisional President, S1 Corporation.

About PEP

PEP opened its first store 45 years ago and is now Southern Africa's
biggest single-brand retailer and operates over 1,600 stores in South
Africa, Botswana, Lesotho, Namibia, Swaziland, Zambia, Mozambique,
Zimbabwe, and Malawi, and owns Powersales in Zimbabwe. More than 15,000
people are employed by PEP and the company will conduct over 220
million customer transactions this year.

About S1

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, and branch banking solutions that
deliver a competitive advantage. More information is available at
www.s1.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.

S1 Retail Payments and the S1 logo are trademarks of S1 Corporation or
its affiliates. All other registered or unregistered trademarks and
service marks are the property of their respective owners.


CONTACT: Press contact
         David Fontaine
         404-923-6865
         david.fontaine@s1.com