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

ROCHESTER, N.Y., MAY 1 /PRNewswire-FirstCall/ -- Mpower Communications Corp. (AMEX:MPE), a leading provider of data and voice services to retail and wholesale business customers, will host a public conference call to discuss the details of its first quarter 2006 financial and operating results. Date: Tuesday, May 9, 2006 Time: 10:00 a.m. EDT Web Cast & Audio Streaming Link/Instructions: http://showvisuals.mshow.com/findshow.aspx?usertype=0&cobrand=128&shownumber=2 97550 This link will access both the audio and PowerPoint presentation for the call. Advanced registration on the site is recommended. Click on the link above to register in advance and/or join the conference call at the designated time. Web Cast Replay: Available for 30 days after the call at above link Audio Live Number: 1-888-332-7254, PIN #7326607 Audio Replay Number: 1-877-519-4471, PIN #7326607 From Tuesday, May 9, 2006 at 1:00 p.m. Eastern through Tuesday, May 16, 2006 at 5:00 p.m. Eastern 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 Corporation CONTACT: Investors: Gregg Clevenger, Chief Financial Officer, +1-585-218-6547, , or Media: Michele Sadwick, Vice President, +1-585-218-6542, , both of Mpower Communications Corporation Web site: http://www.mpowercom.com/

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