To: Jack Hartmann who wrote (100 ) 8/1/2000 9:03:41 PM From: Mark Oliver Read Replies (1) | Respond to of 318 Advanced Radio Telecom Implements Portal Software's Infranet Billing Solution August 1, 2000 01:45 PM Eastern Time BELLEVUE, Wash.--(BUSINESS WIRE)--August 1, 2000--Advanced Radio Telecom (ART) ARTT today announced it has implemented Infranet(R) customer management and billing platform from Portal Software Inc. PRSF , a leading provider of business infrastructure software for Internet and next-generation communications services. Portal's comprehensive real-time billing solution will provide ART with the flexibility required to support sophisticated pricing plans, promotions, and rapid market deployment of broadband fixed wireless services. "ART is deploying a leading-edge broadband IP network that needs a billing platform to deliver multi-service product offerings, customized pricing models to accommodate promotional changes, and cross-service pricing structures," said Steve Tarr, senior vice president and chief information officer at ART. "Infranet provides the flexibility and scalability to accommodate our business needs, enabling us to successfully execute our business strategy." "The broadband fixed wireless market is experiencing tremendous growth and customer demand is driving service providers to implement systems that are capable of delivering services faster and more cost effectively," said Vijay Iyer, vice president market development at Portal Software. "With the implementation of Infranet, ART will have the flexibility necessary to quickly deploy new and exciting business models and the scalability to manage the rapid growth of its customer base." About Advanced Radio Telecom Advanced Radio Telecom Corp., headquartered in Bellevue, Wash., is a provider of broadband wireless Internet Protocol (IP) access services at speeds up to 155 Mbps. ART currently owns and operates broadband wireless metropolitan area networks in Houston, Los Angeles, Phoenix, San Jose, Seattle and Washington, D.C. and plans to initiate service in 40 U.S. markets over the next two years. ART is a Cisco Powered Network(TM) service provider. ART has a nationwide footprint of 39GHz spectrum licenses in the United States, and owns 26GHz and/or 39GHz spectrum licenses in the United Kingdom and several Scandinavian countries. For more information, please visit ART's web site at www.ipsp.com. About Portal Portal Software, Inc., is building business infrastructure for the Internet. Based in Cupertino, Calif., Portal is the leading provider of customer management and billing software for Internet and emerging, next-generation communications services. The company's real-time solution enables service providers to manage customers, support services and collect money. Portal's customers include US West, Qwest Communications, Covad, T-Online, France Telecom, Demon and Juno. For information about Portal or its products visit portal.com . The above information includes forward-looking statements regarding services and network deployment. These statements are not guarantees of future performance. Known and unknown risks, uncertainties, and other factors, including without limitation, satisfying closing conditions, final FCC approval, capital requirements and other financial risks, customer demand, technological risks, management of growth, competition and government regulation may cause actual results to differ materially from the future results implied or expressed in the forward looking statements. Additional information about the most significant of such factors is set forth in ART's most recent annual report on Form 10-K. The Company does not undertake to update or revise its forward-looking statements publicly even if experience or future changes make clear that any projected results expressed or implied herein will not be realized. CONTACT: Investor Contact - Advanced Radio Telecom Brian J. Heagler, 425/990-1620 brian.heagler@ipsp.com or ART Media Contact - DDB Worldwide Tom Phillips or Michelle Tatum 206/442-9900 tom.phillips@sea.ddb.com michelle.tatum@sea.ddb.com or Media Contact - Portal Software Inc. Christina Dort, 408/572-2425 cdort@portal.com