Internet Services Provider US LEC Presents at Media & Technology Conference

CHARLOTTE, N.C., Sept. 8 -- US LEC Corp. a super-regional telecommunications carrier providing integrated voice, data and Internet services to businesses and enterprise organizations throughout the Eastern United States, will be participating in the Kaufman Bros., L.P. Seventh Annual Communications, Media & Technology Conference in New York City on September 9, 2004.

Michael Robinson, executive vice president and CFO for US LEC commented, "2004 has been a solid year for US LEC and we will work hard to continue to build on our achievements through the remainder of the year and into 2005.  We recently announced reaching the 20,000th customer milestone and more than doubling our customer base in less than two years.  The Kaufman Bros., Communications, Media & Technology Conference is an outstanding forum for us to present our progress."

A live broadcast of the presentation will be available online
at http://www.uslec.com . To listen to the presentation, which is scheduled to begin at 2:50 PM ET, please visit the web site at least 15 minutes early to download and install any necessary audio software.

About US LEC
Based in Charlotte, NC, US LEC is a leading telecommunications carrier providing integrated voice, data and Internet services to medium and large businesses and enterprise organizations throughout 15 Eastern states and the District of Columbia. US LEC services include local and long distance calling services, Voice over Internet Protocol (VoIP) service, advanced data services such as Frame Relay, Multi-Link Frame Relay and ATM, dedicated and dial-up Internet services, managed data solutions, data center services and Web hosting. US LEC also provides selected voice services in 25 additional states and selected data services nationwide. For more information about US LEC, visit http://www.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 "Forward-Looking Statements and Risk Factors" section and elsewhere in the Company's Annual Report on Form 10-K for the period ended December 31, 2003, 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 (R) is a registered service mark and trademark of US LEC Corp.