Press Release

AboveNet Extends Promotion Waiving New Construction Charges

NEW YORK, Sept. 10 /PRNewswire-FirstCall/ -- AboveNet, Inc. (OTC Bulletin Board: ABVT), a leading provider of fiber optic connectivity solutions, is extending its successful promotion to year-end. This promotion waives construction charges, subject to certain conditions, to connect customers' off-net buildings to the AboveNet Fiber Optic Network. In addition, customers can receive up to three months of free service. These combined promotion elements offer customers a very cost-effective way to take advantage of AboveNet's array of high bandwidth optical solutions. Now, customers can reap the benefits of high bandwidth Metro Ethernet, Metro IP or WDM solutions.

"We have been pleased with the response to this program," stated Bill LaPerch, AboveNet CEO. "Customers recognize the need for high bandwidth connectivity solutions that can be installed cost-effectively, and require little or no rack space, power and equipment. This promotion, building on the accelerating growth in metro markets of high bandwidth Ethernet transport, offers enterprises a low-risk way to have the diversity and security benefits of an alternate high bandwidth provider."

Now, more customers can take advantage of AboveNet's scalable, low-latency, fiber-based network infrastructure, receive up to three free months of service, and have a portion of the construction charge waived to connect them to AboveNet's Backbone network.

Customers can further their enterprise goals with a network designed for and continually improved to serve the needs demanding high bandwidth users. Offer is currently not available in the New York / New Jersey area.

About AboveNet, Inc.
AboveNet, Inc. provides high bandwidth connectivity solutions for business and carriers. Its private optical network delivers key network and IP services in and among top U.S. metro markets and globally. AboveNet's network is widely used in demanding markets such as financial services, media, health care, retail and government.

# # #

This news release contains forward-looking statements that involve risks and uncertainties. Factors that could cause or contribute to such risks and uncertainties include, but are not limited to, general economic and business conditions, competition, changes in technology and methods of marketing, and various other factors beyond the Company’s control. This also includes such factors as are described from time to time in the SEC reports filed by AboveNet, Inc., including the most recently filed Form 8-K.