AboveNet Expands Metro Portfolio With Launch of Core Wave Services

LONDON, June 7, 2010 - AboveNet, Inc. (NYSE: ABVT), a provider of high bandwidth connectivity
solutions to business and carriers, has expanded its Metro portfolio with the
launch of Core Wave services, providing customers with a flexible, dedicated
and cost-effective data transport solution.

Based on a metro ring infrastructure, Core Wave utilises ROADM
(Reconfigurable Optical Add/Drop Multiplexer) technology providing dynamic
wavelength Add/Drops and inter-ring connectivity with flexible traffic
routing. This next-generation technology is scalable, with the ability to
grow to 40G and 100G, preparing Enterprises for the future.

Core Wave services provide for 1Gbps and higher connectivity between key
datacenters and/or enterprise locations within a metro area, offering the
benefits of a dedicated wavelength service along with the flexibility and
time-to-market advantages of a next generation core infrastructure solution.
Some of the features of Core Wave services include:

    - Multi-protocol capability: Ethernet, TDM, Storage and Video
    - Protection options and transparency advantages
    - Dedicated fibre access to enterprise locations
    - Faster turn-up of services
    - Space and power savings
    - Industry-leading latency guarantee via AboveNet's Agility Guarantee
      program

Core Wave is currently available to customers in the Washington DC and
Los Angeles metro areas, with additional markets to be announced shortly.
"AboveNet continues to leverage technological advances with a high-bandwidth
services focus to deliver value to our customers. With the introduction of
Core Wave services, we can offer customers more choices and greater
flexibility in meeting their fast-growing metro connectivity needs," said
Rajiv Datta, AboveNet's Chief Technology Officer.

"AboveNet has established itself as a leading player in the wavelength
services marketplace, particularly at high-bandwidth levels," noted
Roopashree Honnachari from Frost & Sullivan. "Their focus on data centre
connectivity and commitment to customer choice and features are reinforced
with the launch of Core Wave services."

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. To learn more go to
www.above.net.

For further press information, interviews and photography, please contact the AboveNet PR Team: Melissa Miller- UK, Tel: +44-20-7220-3856, mmiller at above.net; MaryBeth Nance - US, Tel: +1-571-262-2865, mnance at above.net