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LEXINGTON, MA., January 16, 2001 - (BUSINESS WIRE) - Excelergy Corporation, the pre-eminent provider of software technology and products for restructuring global energy markets, today reported its most successful quarter in its three-year history. In the fourth quarter of 2000, Excelergy closed nine North American agreements and launched a new European office that, within its first 90 days, secured Excelergy's first major client in continental Europe. These agreements wrapped up a year which saw revenues more than double over those of 1999. Excelergy also outgrew its Cambridge headquarters and moved into a significantly larger office in Lexington, in the heart of Massachusetts' expanding high tech corridor."Looking back at what Excelergy has accomplished in 2000 shows how much positive momentum we're bringing to2001 and beyond," said Bill Mahoney, Excelergy's president and chief executive officer. "We will keep our clients and our markets updated on specific progress in the upcoming weeks and months, and we will continue to establish ourselves as the pre-eminent software technology provider to deregulating energy and utility markets around the globe."Below are selected highlights of Excelergy's achievements during the past twelve months.

Q1 2000:

• Excelergy releases advanced versions of its flagship customer billing and information system product Excelergy ABPTM 3000 and data transaction management product Excelergy eXACTTM
• Niagara Mohawk becomes first Northeast utility, and BP Amoco becomes largest nationwide energy service company, to implement Excelergy's EnergyMarketplaceTM web portal for energy purchasing
• Siebel Systems chooses Excelergy as its Premier Software Partner to Deliver the billing component of its Siebel Energy solution
• Venture capital firm Sigma Partners leads a round of $23 million of new equity investment in Excelergy and Robert E. Davoli, Sigma's managing director, joins Excelergy's board of directors; Excelergy's equity investors have provided a total of $48 million to date

Q2 2000:

• PricewaterhouseCoopers signs alliance with Excelergy to bring the company's products to the Australia/New Zealand market, giving the company its initial market presence in the Southern hemisphere
• Alliance Data Systems, a leading national application service provider (ASP), picks Excelergy ABP 3000 for its energy application services
• Top electronic billing firms edocs and Derivion sign partnerships with Excelergy to combine and jointly market their complementary customer billing and information systems
• World Energy Exchange selects Excelergy's EnergyMarketplace to provide custom web-based energy portals

Q3 2000:

• USPowerSolutions chooses ABP 3000 and EC Power selects eXACT as the products behind their energy application solutions
• Ontario's largest electric utility Hydro One implements eXACT in preparation for Canadian electric deregulation
• Application service provider Retx.com licenses Excelergy ABP 3000 and eXACT to perform its business-to-business data transaction processing, customer enrollments and customer data aggregation
• Avista Advantage selects the EnergyMarketplace web portal for its customers
• Cap Gemini Ernst & Young forms alliance with Excelergy to provide deregulating energy suppliers worldwide with Excelergy's suite of web-based software products
• Former NewEnergy president Michael R. Peevey joins Excelergy's board of directors
• Excelergy opens European headquarters in Bristol, England

Q4 2000:

• TorontoHydro & Ontario Power Generation launch North America's first Internet-based retail energy transaction hub - EBT Express, powered by Excelergy's eXACT product - to provide centralized electronic data management and transaction services to utilities and suppliers in Ontario's deregulating electricity market
• Chevron, National Grid, and Public Service of New Hampshire each select EnergyMarketplace to establish their web portals for energy procurement
• A major European utility selects ABP 3000 as its billing platform to Support its soon-to-be-announced marketing launch into the deregulated market for "green" energy
• Excelergy publishes retail energy industry's first XML standards and becomes sponsor of the Organization for the Advancement of Structured Information Standards (OASIS) to promote the industry-wide acceptance of XML standards for open electronic data exchange among energy companies
• Company co-founder and chairman Cary Bullock appoints Systems & Computer Technology Energy and Communications president Bill Mahoney as the company's new president and chief executive officer, after Mahoney grew SCT's utility billing and customer information systems business ten-fold from 1995 to2000

About Excelergy
Excelergy delivers complete software technology to utilities and retail energy companies operating in restructuring global energy markets. Excelergy's innovative suite of EDI- and XML-enabled products includes the Excelergy ABP™ 3000 customer billing and information system, the Excelergy eXACT™ family of business-to-business transaction management solutions, and the web-based EnergyMarketplace™ energy portal. Headquartered in Lexington, MA, Excelergy has additional US offices in Santa Monica, CA and Atlanta, GA. Its European headquarters are located in Bristol, England. More information is available at www.excelergy.com.

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