JERICHO, NY, November 14, 2007 – Optimum Lightpath, the next-generation business broadband service provider of Cablevision Systems Corporation (NYSE: CVC), today announced that it has connected the 2,500th building to its intelligent enterprise network that spans the New York metropolitan area.

"Optimum Lightpath's success in surpassing this milestone is testament to the accelerated adoption of Ethernet services by mid and large size businesses that rely on this high-capacity, secure technology to deploy sophisticated and bandwidth-intensive applications," said Dave Pistacchio, executive vice president and general manager, Optimum Lightpath. "Our business strategy to exclusively focus our resources on carrier-class Ethernet – believing that its simplicity, capacity, reliability and scalability will be dominant for years to come – has fueled Optimum Lightpath's strong growth since its inception."

"Driven partly by an increase in Ethernet usage by key market segments in the New York metropolitan area – including the healthcare, financial services and government segments – the market for Ethernet services in this region is expected to exceed the already strong growth of Ethernet services in the U.S.," said Boyd Chastant, Director of Advanced Network Services for IDC, a leading global provider of market intelligence, advisory services, and events for the information technology, telecommunications, and consumer technology markets. "With its footprint in the New York metropolitan area and focus on these market segments, Optimum Lightpath is well-positioned for continued growth and expansion."

Optimum Lightpath owns and manages a fully fiber optic network across the New York metropolitan area for high capacity and secure data, voice and video delivery and management. With more than 2,500 route miles of fiber in the ground and 2,500 lit commercial buildings across the tri-state area, Optimum Lightpath's intelligent enterprise network is designed with the scalability to deliver high bandwidth capacity and network speeds, and supported by built-in intelligence for optimized business performance.

Businesses interested in learning more about Optimum Lightpath's Metro Ethernet services can visit http://www.optimumlightpath.com or call 1-877-LIGHTPATH.