Mpower Holding Corporation Announces First Quarter 2004 Earnings Conference Call

Mpower Holding Corporation Announces First Quarter 2004 Earnings
Conference Call 


ROCHESTER, N.Y., April 20  /PRNewswire-FirstCall/ -- Mpower Holding Corporation
 (BULLETIN BOARD: MPOW) , the parent company of Mpower Communications, a
provider of broadband high-speed Internet access and telephony services to
business customers, will hold a public conference call to discuss its first
quarter 2004 results on Thursday, May 6, 2004 at 10:00 a.m. Eastern. To access
the call, dial 1-877-780-2271.

A replay of the call will be available from Thursday, May 6, 2004 at 1:00 p.m.
Eastern through Thursday, May 13, 2004 at 5:00 p.m. Eastern by dialing
1-877-519-4471, PIN #4718186.

About Mpower Holding Corporation

Mpower Holding Corporation (OTCBB) is the parent company of Mpower
Communications, a leading facilities-based broadband communications provider
offering a full range of data, telephony, Internet access and Web hosting
services for small and medium-size business customers. Further information
about the company can be found at http://www.mpowercom.com/. 

DATASOURCE: Mpower Holding Corporation



CONTACT:  Investor: Gregg Clevenger, [phone],

; Investor Relations: Lester Rosenkrantz of Cameron

Associates, [phone], ; Media:  Michele Sadwick

of Mpower Communications, [phone],  



Web site:  http://www.mpowercom.com/ 

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