Light Tower Fiber Finalizes Acquisition of KeySpan Communications Corp.

BOXBOROUGH, MA—July 28, 2008— Light Tower Fiber LLC, a leading provider of digital fiber optic networks, announced today that it has acquired KeySpan Communications Corp. (“KeySpan Comm”), expanding the company’s fiber optic network offerings extensively in New York City and Long Island and gaining KeySpan Comm’s capacity rights in three Trans-Atlantic cable systems.

Light Tower Fiber’s assets cover over 3,600 route miles from Albany, NY to Long Island, including the metro areas of Boston, MA, New York, NY, Providence, RI as well as key routes in northern New Jersey and southern Connecticut.

“With the acquisition of KeySpan Comm finalized, Light Tower Fiber is better prepared than ever to help our customers manage the growing pressure to increase capacity and decrease backhaul costs,” said Rob Shanahan, CEO of Light Tower Fiber. “Combining KeySpan Comm’s fiber assets with our existing fiber network, which includes the recent acquisition of DataNet Communications Group, establishes a unique Northeast footprint and positions us to be able to meet these needs. We are prepared to continue our growth strategy through potential acquisitions and organic growth.”

Light Tower Fiber will also receive KeySpan Comm’s capacity rights in three Trans-Atlantic cable systems from New York to Paris and London. With the addition of KeySpan Comm’s network, Light Tower Fiber will offer unique fiber optic links between the Trans-Atlantic landing stations and points outside of New York City using routes diverse from Manhattan.

“KeySpan Comm has a long history of providing customized fiber solutions and bandwidth services,” said Jason Cohen, Vice President, KeySpan Communications. “Joining Light Tower Fiber makes perfect sense as it allows us to take these offerings one step further – adding access to Light Tower Fiber’s expanded network availability.”

About Lightower Fiber LLC

Lightower Fiber LLC is the leading digital fiber network and broadband service provider in the Northeast, offering over 3,600 route miles coupled with comprehensive backhaul services. Lightower Fiber’s geographic footprint extends from southern New Hampshire to Massachusetts and Rhode Island, to eastern New York State, southern Connecticut and New Jersey. Lightower Fiber is headquartered in Boxborough, MA.

About KeySpan Communications

KeySpan Communications is the owner, operator and developer of a high-speed fiber optic network - covering 1,000-route miles or 75,000 fiber miles - that transverses Long Island and part of New York City. The network has several access points to Trans-Atlantic cable systems that run between Long Island, London and Paris.