Electronic Payment Exchange Selects Transaction Network Services to Enhance Connectivity and Premier Processing Services.

RESTON, Va. -- Transaction Network Services (NYSE:TNS), a leading provider of business-critical network and data communications services for transaction-oriented applications, announced today that it has signed a deal to provide network services for Electronic Payment Exchange (EPX), a provider of all-in-one payment processing solutions. According to the three year agreement, TNS will provide transaction transport services in the United States for merchant transactions.

Straight Through Processing from EPX solves the problems created by multiple vendor payment processing and provides efficiencies for merchants. With an end-to-end solution, EPX not only reduces merchants' costs by eliminating third-party gateway fees, but also increases speed and efficiency. TNS' network infrastructure and services allow EPX to remain focused on growing and maintaining their merchant business.

TNS is a leading provider of point-of-sale (POS) transaction processing networking. It provides transport to most major U.S. payment processors through its fully managed, value-added networks.

"Reliable data communications are a necessity in payment processing," said Matt Ornce, COO of EPX. "TNS offers a secure and trustworthy communication network that ensures our clients will continue to receive the quality services provided by EPX."

"We are very pleased that Electronic Payment Exchange has chosen TNS to provide a solid network backbone for its operations," said Heidi Goff, executive vice president and general manager of TNS' Point-of-Sale Division (POS). "TNS will give EPX the reach, flexibility and security that it and their customers demand from a fully managed transaction network."

About Transaction Network Services, Inc.

Transaction Network Services is one of the leading providers of business-critical, cost-effective data communications services for transaction-oriented applications. TNS provides rapid, reliable and secure transaction delivery platforms to enable transaction authorization and processing across several vertical markets and trading communities.

Since its inception in 1990, TNS has designed and implemented multiple data networks, each designed specifically for the transport of transaction-oriented data. TNS networks support a variety of widely accepted communications protocols and are designed to be scalable and accessible by multiple methods. TNS network technologies have been deployed in the United States and internationally, and TNS networks have become preferred networks servicing the trading community, wireless and wireline carriers, and the card processing and dial-up automated teller machine markets. For further information about TNS transaction solutions, please refer to www.tnsi.com.

About Electronic Payment Exchange

Electronic Payment Exchange is a full-service payment processing company that specializes in enabling businesses to accept credit card, debit card and electronic check payments. EPX's platform provides straight-through processing that eliminates a business's need to use a gateway or invest in front-end technology to process, whether their transactions take place online, over the telephone or at the point of sale. For more information visit www.epx.com.

The statements and information contained in this press release that are not descriptions of historical fact may contain forward-looking statements. Forward-looking statements involve a number of risks, uncertainties or other factors beyond TNS' control, which could cause actual results to differ materially from historical results or performance and from any opinions or statements expressed with respect to future periods. TNS disclaims any obligation to update or correct any forward-looking statements made herein due to the occurrence of events after the issuance of this press release.