Excelergy
www.excelergy.com

ATLANTA, GA and LEXINGTON, MA., June 26, 2000 - Derivion, the only application service provider (ASP) to Deliver a comprehensive e-billing solution designed for the Internet, and Excelergy Corporation, a provider of business-to-business technology to the retail energy market, today announced an agreement to integrate the Excelergy ABP* 3000 billing and customer care solution with Derivion's inetBillerSM e-billing solution. The combination of the flagship products of these two leading technology providers will enable utilities and energy companies to accelerate their e-commerce strategies while offering advanced customer service to energy consumers.

"The deregulating energy industry demands multi-dimensional customer care solutions that provide customers with value-added products and services,"  said Phil Duncan, vice president of product development for Excelergy.  "Derivion's inetBiller will allow our business customers to fulfill the consumer demand for billing convenience while cutting costs and enabling enhanced and extended customer relationships."

Excelergy and Derivion will jointly market inetBiller with Excelergy ABP 3000, empowering end users with a dynamic, personalized online experience.  Designed and developed specifically for the Internet, Derivion's solution will allow utilities to Offer their customers an e-billing option that is convenient and easy to use. In addition, Derivion's e-billing solution will streamline company billing processes, reduce operating costs, and increase customer loyalty by providing value-added services and convenience.

"Excelergy provides a proven and comprehensive software solution to top energy companies in this increasingly competitive market," said Greg Rable, CEO of Derivion. "together, Derivion and Excelergy will provide a seamless e-billing and customer care solution for utilities nationwide. We look forward to working with Excelergy to Offer their customers the best billing solution while providing new means of customer interaction and strengthening
customer relationships."

Excelergy ABP* 3000 is a Web-based billing and customer care solution designed to enable distribution companies and energy marketers to succeed in the new energy economy. Built specifically for the deregulated energy industry, the highly scalable ABP 3000 is proven to Support over 10 million active accounts. Additionally, ABP 3000 centralizes and fully integrates account and EDI/EBT (electronic business transaction) information into the
customer record, allowing for superior customer service.

Derivion's inetBiller operates as a transparent extension of existing billing systems, leaving the biller in control of the application and its respective customer relationships. Moreover, the biller is not required to invest in additional software, hardware, or network capabilities. With Derivion's end-to-end e-billing solution, Excelergy's utility customers will soon offer the Internet bill view and pay option for users directly at the utility's Web site and at a variety of online access points such as banks and billing aggregation sites.

About Excelergy
Excelergy offers business-to-business technology to the retail energy market. The company's current product offerings include the Excelergy ABP™ 3000 customer relationship management and billing software, the Excelergy eXACT™ family of business-to-business transaction management solutions, and the web-based Energymarketplace energy portal.

About Derivion
Derivion is the only e-billing ASP that leverages the flexibility and power of the Internet to automate the bill delivery and payment process for companies driven by recurring billing such as telecommunications, utility, insurance, and financial services companies. Derivion's inetBillerSM service provides complete e-billing implementation including electronic bill design, e-mail notification, bill presentment, payment processing, enrollment marketing, and customer care for the business-to-consumer (B2C) and business-to-business (B2B) environment. These capabilities provide billers with a competitive advantage, enabling them to make bill delivery and bill payment simple and convenient for their customers and providing a path toe-bill consolidation at consumer access points as needed. The Atlanta-based company was founded in 1998 and maintains research, development, and additional sales offices in Toronto, Canada.

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