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

Mpower Communications Signs Co-Marketing Agreement With GUS Networks Targeting Asian Business Customers LOS ANGELES, April 18 /PRNewswire-FirstCall/ -- Mpower Communications Corp. (AMEX:MPE), a leading provider of data and voice services to retail and wholesale business customers, today announced a co-marketing agreement with GUS Networks Inc., the largest Chinese ISP in Southern California, to target and promote Mpower's products and services to the Asian business community within Mpower's markets. The co-marketing agreement includes radio, television and print advertising in Asian media, as well as direct marketing campaigns. "Given the prominent market position of GUS in the Asian communities and the excellent service and competitive pricing of Mpower products, the collaboration between GUS and Mpower will position both companies as instant winners with Asian businesses," said Yuhong Huang, Chief Executive Officer of GUS Networks. "Our customers want quality telecommunication services while reducing theirs costs and we believe Mpower products will prove to be their best choice." GUS Networks' products and services help businesses effectively integrate the Internet into their daily operations within and outside of their workplaces in the United States, Taiwan, Hong Kong, and China. Its broad range of customers includes global businesses, governments, ISPs and individuals. Mpower's data and voice services will be targeted to the vast number of Asian companies within Mpower's service areas who are either current customers of GUS Networks or prospective customers who will now have the opportunity to be presented with Mpower's wide selection of services packaged with GUS Networks' current offerings. According to Mpower Communications Chief Executive Officer Rolla P. Huff, "Ethnic marketing represents a relatively untapped opportunity for Mpower's, high speed broadband data and voice telecommunications services. We can offer these customers quality, cost-effective services over a deep and dense facilities-based network. GUS Networks' expertise in the Asian marketplace along with its fully trained multi-lingual customer service and support personnel will be a huge asset in our efforts to reach the Asian business customers." About GUS Networks, Inc. GUS Networks, Inc., located in Baldwin Park, California is the largest Chinese ISP in Southern California and an internationally recognized total solutions provider of Internet/Intranet products and services for electronic commerce and other critical business operations in and between the United States and Asian business communities. Since the establishment in 1994, GUS has been providing IT solutions to its customers through three basic layers of service: Connectivity, Managed Networks and E-commerce. Customers that GUS services include: major manufacturers, educational institutions, freight forwarders, importers/exporters, banks (including all major Chinese banks in Southern California), credit unions, all major Chinese media and more. For more information about GUS, please visit the web site at http://www.gus.net/ . 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/ . 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. DATASOURCE: Mpower Communications Corp. CONTACT: Investor, Gregg Clevenger, Chief Financial Officer, +1-585-218-6547, , or Media, Michele Sadwick, Vice President, +1-585-218-6542, , both of Mpower Communications Corp.; Yuhong Huang, CEO of GUS Networks, +1-626-330-2003 ext. 180, Web site: http://www.mpowercom.com/ http://www.gus.net/

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