RCN Announces Expansion of Colocation Facility at 111 8th Avenue, New York City

HERNDON, VA, August 2, 2010 — RCN Metro Optical Networks, a division of RCN Corporation (NASDAQ: RCNI) and a premier provider of fiber optic-based network solutions, announced today the expansion of its premier colocation facility located at 111 8th Avenue, the most telecom intensive location on the East Coast.  RCN Metro added cabinet and power capacity in direct response to continued demand from its customers.

The 111 8th Avenue colocation facility is a fully secure, temperature-controlled space, offering cabinets and bulk space. It features sophisticated power and HVAC systems capable of handling the demands of 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 111 8th Avenue facility delivers the very best in each of these areas,” said Felipe Alvarez, President, RCN Metro.

The 111 8th Avenue colocation facility is connected to RCN Metro’s backbone allowing access to high capacity Wavelength, Ethernet and SONET services on the RCN Metro network from Portland, Maine to Washington, DC out to Chicago and up to Toronto.  RCN Metro has 24 colocation facilities throughout its footprint including the state-of-the-art high-density colocation facility located at 165 Halsey Street, Newark, NJ.

For more information about availability at RCN Metro’s colocation facilities call 888-955-6877 or email sales@sidera.net.

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, out to Chicago and up to Toronto, 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) 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)