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Allworx Verge Product Announcement

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Allworx® Wins 'Best of Show' Award at ITEXPO East 2010

Recognized for Outstanding IP Telephony Solutions with Best On-Site Product Launch

East Rochester, NY - January 27, 2010

Allworx (www.allworx.com) which develops award winning Internet Protocol (IP) phone and network systems for businesses of all sizes and a wholly owned subsidiary of PAETEC Holding Corp. (NASDAQ: PAET), today announced that it received the ‘Best of Show’ award at Technology Marketing Corporation’s ITEXPO East 2010. The company won for the Best Onsite Product Launch by its award-winning Allworx product division.

At the show, Allworx launched the Allworx 9204; the newest addition to the Allworx series of IP phones. The sleek, stylish design of the 9204 VoIP phone is ideal for any office setting and its and improved audio quality is optimal whether speaking on the handset, a headset, or on speakerphone.

“We are honored to be recognized once again by the editors at TMC for the solutions-based products our team has built and continue to deliver to the competitive IP marketplace,” said Jeffrey Szczepanski, Chief Technology Officer of Allworx. “This endorsement further validates our product strategy and motivates us to design and develop enterprise-class solutions for any size business for our Channel partners.”

The ITEXPO Best of Show Awards recognize innovative products and solutions that were featured in the Exhibit Hall during the January event. This designation serves to highlight the technological achievement and creative product features that set these winners apart from the rest of the crowd. INTERNET TELEPHONY magazine editorial staff evaluated the pre-show nominations, and met with vendors to inspect and review the displayed products on the first day of the Expo. A full list of the winners is posted on TMC’s Web site at www.tmcnet.com.

About Allworx
Allworx, a wholly owned subsidiary of PAETEC Holding Corp., develops award winning, phone and network systems for businesses through a network of Authorized Partners. The product line includes the Allworx 6x and 24x systems, Px 6/2 Port Expander, and Allworx 9224 phone, Tx 92/24 Expander, 9212, and 9202 phones along with a series of software options. By combining the advanced features of today's VoIP systems with the key system features all businesses have grown to rely on, Allworx systems are ideal replacements for the millions of aging (TDM) PBX and key phone systems in use today. Allworx' Consulting Division delivers elite software and digital hardware engineering services to both large and small companies who want to enhance and compliment their research and product development capabilities. For more information please visit www.allworx.com.

About TMC
Technology Marketing Corporation (TMC) publishes Customer Interaction Solutions, INTERNET TELEPHONY, Unified Communications, and NGN magazines. TMCnet, TMC's Web site, is the leading source of news and articles for the communications and technology industries. Ranked in the top 3,500 most visited Web sites in the world by Quantcast, an independent Web traffic ranking site, TMCnet serves an average of two million unique visitors each month. TMC is also the first publisher to test new products in its own on-site laboratories, TMC Labs. In addition, TMC produces INTERNET TELEPHONY Conference & EXPO(ITEXPO), and 4GWE Conference (in conjunction with Crossfire Media). For more information about TMC, visit www.tmcnet.com.

Media Contact
Chris Muller
PAETEC
(585) 340-8218
chris.muller@paetec.com

Investor Contact
Pete Connoy
PAETEC
(585) 340-2649
peter.connoy@paetec.com