HERNDON, VA and WEST PALM BEACH, FL – March 3, 2008 -- RCN Corporation (NASDAQ: RCNI), a leading provider of video, data, and voice services to residential, business and commercial/carrier customers, and ION Media Networks, Inc., owner and operator of the nation’s largest broadcast television station group, announced an affiliation agreement regarding distribution of qubo, the TV and online entertainment service for children. As part of the agreement, RCN launched qubo on its Chicago system.

"We are pleased to announce our latest affiliation agreement and are delighted by RCN’s commitment to offer their subscribers in Chicago the very best in children’s programming,” said Steve Friedman, President, ION Media Networks Distribution. “This agreement reinforces the value of qubo to its core audience, and represents yet another step in fulfilling our multi-platform network strategy.”

RCN launched qubo as part of its steps to reclaim analog channels by converting all of its programming to digital, which began in late January.

“We are excited by the launch of qubo in the Chicago market", said RCN Vice President and General Manager, Tom McKay. "qubo is a great addition to the expanded children and family programming we have included in our all-digital platform."

qubo is a groundbreaking, bilingual, multi-platform entertainment destination for children that champions literacy and positive values through entertainment. qubo celebrates the unlimited possibilities of a child’s imagination. The qubo Channel features an expanded line-up of popular children’s programming, including Nelvana’s “Pecola,” Big Idea’s “Veggie Tales,” NBC Universal’s “Boo!,” Classic Media’s “Theodore Tugboat” and Scholastic’s “Dragon,” among others. qubo was formed in 2006 by an unprecedented alliance of leading distribution partners and content players in children’s television, including Scholastic, ION Media Networks, NBC Universal, Corus Entertainment and Classic Media.

About ION Media Networks
ION Media Networks, Inc. owns and operates the nation's largest broadcast television station group and ION Television, reaching over 94 million U.S. television households via its nationwide broadcast television, cable and satellite distribution systems. ION Television currently features popular TV series and movies from the award-winning libraries of Warner Bros., Sony Pictures Television and CBS Television, among others. ION Media has also partnered with RHI Entertainment, which owns over 4,000 hours of acclaimed television content, to provide weekend primetime programming consisting of exclusive original programming and quality library titles. Utilizing its digital multicasting capability, the company has launched several digital TV brands, including qubo, a television and multimedia network for children formed in partnership with several leading media and entertainment companies, and ION Life, a television and multimedia network dedicated to active living and personal growth. For more information, visit www.ionmedia.tv.

About RCN Corporation
RCN Corporation, http://www.rcn.com, is one of the largest facilities-based competitive providers of bundled cable, high-speed internet and phone services delivered over its own fiber-optic local network to residential, small business and commercial customers in the most densely populated markets in the U.S. RCN provides service in the Boston, Chicago, Eastern Pennsylvania, New York, and Washington, D.C. metropolitan markets. One of its divisions, RCN Business Services provides bulk video, high-capacity data and voice services to small and medium business customers. While its other commercial division, RCN Metro Optical Networks, is dedicated to meeting the fiber-based network requirements of Enterprise, Wholesale Telecom and Government accounts. (RCNI-G)

RCN Contacts:
Lisa Barder
Sr. Manager, Public Relations
703-434-8430
Lisa.barder@rcn.net

ION Media Networks Contact:
Joe Boyle
October Strategies
917-376-3595
joe@octoberstrategies.com