Transaction Network Services Uses Performance Technologies' Products for Business-Critical, Point-Of-Sale Solutions ROCHESTER, N.Y., April 18 /PRNewswire-FirstCall/ -- Performance Technologies (Nasdaq NM: PTIX), a leading developer of integrated systems, platforms, components and software, today announced Transaction Network Services (TNS) is using the company's Advanced Managed Platform products in its point-of-sale (POS) systems and services. TNS is a leading provider of business-critical data communications services to processors of credit card, debit card and ATM transactions. The company is using Performance Technologies' Advanced Managed Platform offering, together with the company's compute and UniPorte(TM) media and voice processing products, in its POS systems in order to provide fast, secure and reliable communication of data for the payment processing, acquiring and retail industries. "Our data communications services enable secure and reliable transmission of time-sensitive, transaction-related information, critical to customers' operations," said Scott Ziegler, senior vice president and chief systems officer of TNS. "We chose to include Performance Technologies' Advanced Managed Platform and media products because they provide reliability and availability unobtainable by any similar competitive offering." Performance Technologies' Advanced Managed Platform offering is comprised of the company's packet-based products and offers the most complete set of high availability, system management, switching, power and cooling features on the market. When configured with the company's compute, media processing, I/O and software elements, the offering provides equipment manufacturers and system integrators the basis to handle the high performance computing requirements of next-generation systems and maintain their high standards of network availability. "Our Advanced Managed Platform products were designed with companies like TNS in mind -- companies providing business- and mission-critical solutions that cannot accept downtime," said Tony Romero, platform product manager for Performance Technologies. "With this unique product offering, we are able to provide today what other vendors are only promising for the future." About TNSI 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 that 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 http://www.tnsi.com/. About Performance Technologies Performance Technologies (Nasdaq NM: PTIX) develops the systems, platforms, components and software solutions for the world's evolving communications infrastructure. Our broad customer base includes companies in the communications, military and commercial markets. Serving the industry for more than 20 years, our complete line of embedded and system-level products enables equipment manufacturers and service providers to offer highly available and fully-managed systems with time-to-market, performance and cost advantages. Performance Technologies is headquartered in Rochester, New York. Additional operational and engineering facilities are located in San Diego and San Luis Obispo, California; Norwood, Massachusetts and Ottawa, Canada. For more information, visit http://www.pt.com/ or contact . Forward Looking Statements The Private Securities Litigation Reform Act of 1995 provides a "safe harbor" for certain forward-looking statements. This press release contains forward-looking statements, which reflect the Company's current views with respect to future events and financial performance, within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 and is subject to the safe harbor provisions of those Sections. These forward-looking statements are subject to various risks and uncertainties and the Company's actual results could differ materially from those discussed in the forward-looking statements. These risks and uncertainties include, among other factors, general business and economic conditions, rapid technological changes accompanied by frequent new product introductions, competitive pressures, dependence on key customers, the attainment of design wins, fluctuations in quarterly and annual results, the reliance on a limited number of third party suppliers, limitations of the Company's manufacturing arrangements, the protection of the Company's proprietary technology, the dependence on key personnel, potential delays associated with the purchase and implementation of an enterprise-wide software system and potential impairments of investments. These statements should be read in conjunction with the audited Consolidated Financial Statements, the Notes thereto and Management's Discussion and Analysis of Financial Condition and Results of Operations of the Company as of December 31, 2004, as reported in its Annual Report on Form 10-K, and other documents as filed with the Securities and Exchange Commission. Note to Editors: Brand or product names are registered trademarks or trademarks of their respective holders. DATASOURCE: Performance Technologies CONTACT: Amy Farrell of Performance Technologies, +1-805-783-6047, or Web site: http://www.pt.com/ http://www.tnsi.com/

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