MPE Bank of America Corp. Market Index Target Term Securities (Mitts) Linked TO The S&P 500 Index

Expands Availability of Hosted IP PBX Solution LAS VEGAS, March 6 /PRNewswire-FirstCall/ -- Mpower Communications Corp., (AMEX:MPE), a leading provider of data and voice services to retail and wholesale business customers, today announced the release of its VoicePipe hosted IP PBX service to the Las Vegas market. This IP telephony solution allows businesses to customize voice and data applications to meet their specific business needs. With Mpower's VoicePipe hosted IP PBX, Las Vegas customers now have a strategic business tool with which they can create a virtual national campus environment, simplify end-user interactions and save on operating and capital expenses. The open architecture platform allows for a wide range of equipment and services to be utilized and integrated with the VoIP technology. "Las Vegas businesses are looking for secure VoIP service offerings to manage their sensitive data and improve how they communicate. Businesses understand that improved communications will be a competitive advantage in future," stated Kevin Teeters, Vice President of Marketing at Mpower Communications. VoicePipe includes easy-to-use communication tools that integrate with business applications customers are already using such as Microsoft Outlook, unified messaging and advanced forwarding. Teeters offered the following examples, "Senior management teams in every business are required to certify that their voice and data networks meet stringent Federal Sarbanes-Oxley security requirements. VoicePipe has been designed to exceed those standards. VoicePipe can improve customers' productivity with its vast suite of business critical applications including multi-media video and web conferencing, Virtual Private Network, online collaboration, secure instant messaging, wireless and wire line call management and find-me services. In addition, VoicePipe utilizes a next-generation service and billing platform, which enables new services to be delivered within weeks instead of months." "As a leader in VoIP technology and distribution, World Telecom Group is very excited with Mpower's release of its hosted VoIP product in Las Vegas," said Vince Bradley of World Telecom Group, a master agent partner for Mpower Communications. "Mpower's commitment to the Agent Channel coupled with its new leading edge product is sure to be a value added solution to our Agent Partners and their customers." Forward-Looking Statements Under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, certain statements contained in this press release regarding our and/or management's intentions, hopes, beliefs, expectations or predictions of the future are forward-looking statements. These forward- looking statements are not historical facts and are only estimates or predictions. Actual results may differ materially from those projected as a result of risks and uncertainties detailed from time to time in our filings with the Securities and Exchange Commission. We undertake no obligation to update publicly any forward-looking statements, whether as a result of future events, new information, or otherwise. About Mpower Communications Founded in 1996, Mpower Communications (AMEX:MPE) is a leading facilities-based broadband communications provider offering a full range of data, telephony, Internet access and Web hosting services for retail business and wholesale customers. Further information about the company can be found at http://www.mpowercom.com/. DATASOURCE: Mpower Communications Corp. CONTACT: Mpower Communications Investor Contact - Gregg Clevenger, Chief Financial Officer, +1-585-218-6547, ; Mpower Communications Media Contact - Michele Sadwick, Vice President, +1-585-218-6542, Web site: http://www.mpowercom.com/

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