PAETEC (PAET) Chairman and Chief Executive Officer to Ring The NASDAQ Stock Market Opening Bell


ADVISORY, Feb. 28, 2007 (PRIME NEWSWIRE) --


 What:
 Arunas A. Chesonis, Chairman and Chief Executive Officer of PAETEC
 Holding Corp. (PAET) will preside over the opening bell to
 celebrate the close of the company's merger with US LEC (CLEC).

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway - Broadcast Studio

 When:
 Thursday, March 1, 2007 at 9:30 a.m. ET

 Contacts:
 Michael McCullough
 Edelman
 Mobile - 404.578.8359; michael.mccullough@edelman.com

 NASDAQ MarketSite:
 Jolene Libretto; 646.441.5220; mobile - 347.219.9539
 Jolene.Libretto@NASDAQ.com

Feed Information:

The opening bell is available from 9:20 a.m. to 9:35 a.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can also be found on Waterfront fiber 1623. If you have any questions, please contact Jolene Libretto at (646) 441-5220.

Webcast:

A live Webcast of the NASDAQ Opening Bell will be available at: http://www.nasdaq.com/reference/marketsite_about.stm

Photos:

To obtain a hi-resolution photograph of the Market Open, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market open of your choice.

About PAETEC (PAET):

PAETEC (Nasdaq:PAET) is personalizing business communications for medium and large businesses, enterprise organizations and institutions across the United States. We offer a comprehensive suite of voice, data, and IP services, as well as enterprise communications management software, network security solutions, CPE, and managed services. For more information, visit www.paetec.com.