May 23, 2005

HATTERAS NETWORKS DEMONSTRATES CARRIER DEPLOYMENTS AND SERVICE CREATION CAPABILITIES OF AWARD-WINNING ETHERNET OVER COPPER PLATFORMS AT SUPERCOMM 2005

Market-leading, standards-based, 2BASE-TL solution provider joins Telecommunications Magazine's Hottest Technologies demo pavilion, MEF Services Demo and discusses current deployments with executive presentations

Research Triangle Park, NC– May 23, 2005 – Hatteras Networks, the leading provider of high-bandwidth, last-mile Ethernet bonded copper access service platforms, today announced its SUPERCOMM 2005 schedule of innovative 2BASE-TL service and technology demos, as well as its executive line up of speakers. Carriers interested in learning how Hatteras Networks success-based deployment scenarios can help drive revenue and win market share with high-performance, symmetrical, business-grade Ethernet services over the existing copper infrastructure, can see demonstrations of Hatteras Networks' award-winning technologies at the following locations:

•  Hatteras Networks Booth (#29049) – Hatteras Networks will demonstrate real-world deployment scenarios currently in place with top tier carriers around the world. Hatteras Networks will demonstrate its 2BASE-TL bonded copper solutions as well as new technology to be announced at SUPERCOMM 2005

•  Telecommunications Magazine 10 Hottest Technologies Pavilion (#82015B) – Hatteras Networks bonded copper solutions were featured in Telecommunications Magazine's “10 Hottest Technologies” list in the April 2005 issue. Hatteras will demonstrate its use of bonded 2BASE-TL copper solutions to create a service-rich portfolio with which carriers can meet the demand from enterprise customers connected to the public network with copper.

•  Metro Ethernet Forum “Catch the Carrier Ethernet Wave” SUPERDemo (#48085) – Hatteras Networks is participating the MEF's “Ultimate Connectivity” demonstration, showing business-to-business VoIP, IP Video, high-speed data and Internet access services with Adva Optical, Metrobility Optical Networks and Omnitron

In addition to product and service demonstrations, Hatteras Networks senior executives will discuss how carriers are using the Hatteras solution to deliver success-based Ethernet over copper services. To hear how Hatteras Networks equipment is making a difference in how carriers worldwide develop last-mile business services, plan on attending the following sessions:

About Hatteras Networks

Hatteras Networks, a privately held company headquartered in Research Triangle Park, North Carolina, offers carrier solutions to deliver high-bandwidth business services to locations that are not served with fiber. Hatteras Networks enables carriers to fully deliver the requisite high-bandwidth, access infrastructure to support converged voice, video and data network services to business customers. Carriers can use Hatteras Networks' standards-based solutions to extend fiber-based Ethernet services over existing copper or upgrade private line customers to higher-performance services. Hatteras Networks' platform is built to operate in central offices (COs), controlled environmental vaults (CEVs), remote terminals (RTs) and on poles, allowing carriers to deliver Ethernet to nearly all business buildings on their copper and fiber infrastructure. For more information, visit www.hatterasnetworks.com .

Note to Editors: Hatteras Networks and Metro Ethernet Copper Access are trademarks of Hatteras Networks. All other trademarks are the property of their respective owners.

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Media Inquiries:
Richard M. Williams
Connect2 Communications
919-554-3532
rmwilliams@connect2comm.com