RCN Metro Optical Networks Announces Availability of State-of-the-Art, High Density Colocation Facility at 165 Halsey Street, Newark, NJ

RCN Metro Optical Networks , a division of RCN Corporation (NASDAQ: RCNI) and a premier provider of fiber optic-based network solutions, announced today the availability of its new, state-of-the-art high density colocation facility located at 165 Halsey Street, Newark, NJ. With the addition of this facility, RCN Metro now offers colocation services in 24 facilities located throughout the Company's footprint , including locations in the Northeast, Mid-Atlantic, and Chicago-area regions.

This state-of-the-art, carrier-class colocation center is a fully secure, temperature-controlled facility, offering power-ready racks, cabinets, and bulk space. It features sophisticated power and HVAC systems capable of handling the demands of high density server technologies now and into the future.

"Three of the most critical factors in the selection of a colocation facility are location, power and cooling systems -- our 165 Halsey Street facility delivers the very best in each of these areas," said Felipe Alvarez, President, RCN Metro. "With many of the major financial exchanges moving into New Jersey, we strategically positioned this facility to ensure our ability to provide trading companies the closest possible solution with high bandwidth connectivity to the RCN Metro network and major financial exchanges in order to ensure the lowest possible latency. We conducted rigorous tests to ensure our power and HVAC systems were state-of-the-art and capable of growing seamlessly alongside both our clients' needs and technological innovations," concluded Alvarez.

The new, high density space includes diverse fiber entrances into the building with diversely routed risers in conduit to support SONET , DWDM , and Ethernet Services . Several other key features include:

--  APC InRow RD, 300mm Units - ensuring temperatures are held at
    setpoint conditions
--  APC Hot Aisle Containment System - to maximize cooling
    predictability, capacity, and efficiency
--  24x7 monitoring and access control via RCN NOCs
      BMS/Access - Door control system, client specific swipe card
       supplied by RCN
      Monitoring of all entry doors and passageways by Closed Circuit
       Camera
--  ANSUL Fire Suppression System - two-stage interlock suppression,
    detection, and control system
--  Commercial Electrical Service - PSE&G-supplied 1200 AMP main service

About RCN Metro Optical Networks

RCN Metro, http://www.rcnmetro.com , is a premier provider of high-capacity transport services for carriers as well as large and medium-sized businesses. RCN Metro offers a comprehensive suite of services including: Ethernet, SONET, Wavelength, Video Transport, Internet and more. With a network leveraging unique rights-of-way, spanning from Maine to Virginia and out to Chicago, RCN Metro deploys custom solutions to service providers as well as companies in the finance, hospitality, media, government, health care and education industries. RCN Metro is a wholly owned division of RCN Corporation.

About RCN Corporation

RCN Corporation, (NASDAQ: RCNI) http://www.rcn.com , is a competitive broadband services provider delivering all-digital and high definition video, high-speed internet and premium voice services to residential and small-medium business customers under the brand names of RCN and RCN Business Services, respectively. In addition, through its RCN Metro Optical Networks business unit, RCN delivers fiber-based high-capacity data transport services to large commercial customers, primarily large enterprises and carriers, targeting the metropolitan central business districts in the company's geographic markets. RCN's primary service areas include Washington, D.C., Philadelphia, Lehigh Valley (PA), New York City, Boston and Chicago. (RCNI-G)

Contact: RCN Metro Optical Networks: Maura Mahoney Vice President of Sales & Marketing 508-621-1869