US LEC Extends IP-Based Services Footprint


MPLS VPN data networking service now reaches East Tennessee, Kentucky markets

CHARLOTTE, N.C., March 7 / -- US LEC Corp. (NASDAQ:CLEC), a full-service provider of IP, data and voice solutions to businesses and enterprise organizations throughout the Eastern United States, today announced the expansion of its MPLS VPN service to the cities of Chattanooga, Tenn., Knoxville, Tenn. and Louisville, Ky. and the surrounding areas.

"US LEC's MPLS VPN provides our customers a true IP-based solution that offers security, scalability and coverage our customers need for their businesses," said Joe Brooks, regional vice president for US LEC. "We continue to enhance our markets with MPLS technology, and when coupled with our fully- meshed network, provides our customers access to a reliable next-generation networking solution."

US LEC's expansion includes the East Tennessee cities of Bristol, Chattanooga, Cleveland, Johnson City, Kingsport and Knoxville, the Kentucky cities of Lexington, Louisville and Elizabethtown, and the Indiana cities of New Albany, Sellersburg and Clarksville.

US LEC's MPLS VPN service offers a fully-meshed and routed network, eliminating the need for the traditional "spoke and hub" design common with current generation networks. Since each location never relies on a single "hub" or host for throughput and operation, a network can survive even if the central location experiences a critical outage.

MPLS VPN also prioritizes specific application traffic such as VoIP or CRM applications, allowing important traffic to receive QoS (Quality of Service) guarantees according to customer requirements. Priority traffic travels over available bandwidth first; then, as prioritized traffic decreases, all other traffic uses available bandwidth, ensuring full use of the local loops at all times. By differentiating between classes of traffic, a business can better utilize its data network and reduce unnecessary costs associated with excess bandwidth investments. As bandwidth needs increase, customers can purchase incrementally and avoid costly upgrades.

The service can be scaled from fractional T1 speeds below 1.5 Megabits per second (Mbs) to DS3 (45 Mbs) to Ethernet Local Loop. US LEC offers both metro and wide-area networking options that allow customers to connect locally within a metro area or across large geographic distances.

MPLS VPN is now available in nearly all of US LEC's switching centers including Atlanta, Baltimore, Charlotte, N.C., Chattanooga, Tenn., Fort Myers, Fla., Greensboro, N.C., Jacksonville, Fla., Knoxville, Tenn., Louisville, Ky., Miami, Norfolk, Va., Orlando, Fla., Philadelphia, Pittsburgh, Raleigh, N.C., Richmond, Va., Tampa, Fla., Washington, D.C. and West Palm Beach, Fla. The company will complete the roll out of MPLS VPN service to the remainder of its switching centers later this year.

About US LEC
Based in Charlotte, N.C., US LEC is a full service provider of IP, data and voice solutions to medium and large businesses and enterprise organizations throughout 16 Eastern states and the District of Columbia. US LEC offers advanced, IP-based, data and voice services such as MPLS VPN and Ethernet, as well as comprehensive Dynamic T(SM) VoIP-enabled services and features. The company also offers local and long distance services and data services such as frame relay, Multi-Link Frame Relay and ATM. US LEC provides a broad array of complementary services, including conferencing, data backup and recovery, data center services and Web hosting, as well as managed firewall and router services for advanced data networking. US LEC also offers selected voice services in 27 additional states and provides enhanced data services, selected Internet services and MegaPOP®(R) (local dial-up Internet access for ISPs) nationwide. For more information about US LEC, visit uslec.com.

Except for the historical information contained herein, this report contains forward-looking statements, subject to uncertainties and risks, including the demand for US LEC's services, the ability of the Company to introduce additional products, the ability of the Company to successfully attract and retain personnel, competition in existing and potential additional markets, uncertainties regarding its dealings with ILECs and other telecommunications carriers and facilities providers, regulatory uncertainties, the possibility of adverse decisions related to reciprocal compensation and access charges owing to the Company, as well as the Company's ability to begin operations in additional markets. These and other applicable risks are summarized in the "Caution Regarding Forward-Looking Statements" and "Risk Factors" sections and elsewhere in the Company's Annual Report on Form 10-K for the period ended December 31, 2004, and in subsequent reports, which are on file with the Securities and Exchange Commission.

US LEC is a registered service mark of US LEC Corp. US LEC and Design ® is a registered service mark and trademark of US LEC Corp. StarNet(TM) and MegaPOP(R) are service marks of US LEC Corp.

Media Contact: Marisa Puthoff, Edelman Public Relations, 404-262-3000, marisa.puthoff@edelman.com

Corporate Contact: Brian Crenshaw, APR, US LEC, 704-319-1942, bcrenshaw@uslec.com

Source: US LEC Corp.

CONTACT: Media, Marisa Puthoff of Edelman Public Relations,
+1-404-262-3000, or marisa.puthoff@edelman.com; or Corporate, Brian Crenshaw,
APR, +1-704-319-1942, or bcrenshaw@uslec.com, or Investor, James Stawski,
+1-704-319-1189, or jstawski@uslec.com, both of US LEC

Web site: http://uslec.com/

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