City of Salem, KeySpan to Announce Energy Partnership

Business Wire, July 23, 2007

Community-Wide Efforts Help Individuals Combat Climate Change

SALEM, Mass. --

WHAT:     KeySpan, the largest distributor of natural gas in the
          Northeast, and the City of Salem, are encouraging residents
          and community leaders to reduce their carbon footprint and
          combat global warming. As part of this new partnership,
          Salem will work with KeySpan and the Environmental
          Protection Agency (EPA) to increase the energy efficiency of
          municipal buildings in Salem by 10 percent--and to help
          residents take simple actions to prevent climate change.
          Salem will launch its participation in these energy
          efficiency programs during an event at City Hall.

WHO:      Mayor Kimberley Driscoll, City of Salem
          Krista Georges, Senior Program Manager, KeySpan Energy
          Delivery
          Mike Bruno, NE Community Relations Coordinator, KeySpan
          Energy Delivery
          John Moskal, Representative from EPA New England Energy Team

WHEN:     Tuesday, July 24, 2007
          1:00 PM

WHERE:    Salem City Hall
          93 Washington Street
          Salem, MA 01970

A member of the Standard & Poor's 500 Index, KeySpan Corporation (NYSE:KSE) is the largest distributor of natural gas in the Northeast, operating regulated gas utilities in New York, Massachusetts, and New Hampshire that serve 2.6 million customers. These customer-focused businesses are complemented by a portfolio of service companies that offer energy-related products, services, and solutions to homes and businesses. KeySpan is also the largest electric generator in New York State, with approximately 6,650 megawatts of generating capacity that provides power to 1.1 million customers of the Long Island Power Authority (LIPA) on Long Island and supplies approximately 25 percent of New York City's capacity needs. KeySpan also operates LIPA's transmission and distribution system under contract to LIPA. In addition to these assets, KeySpan has strategic investments in pipeline transportation, distribution, storage, and production. KeySpan has headquarters in Brooklyn, New England, and Long Island. For more information, visit KeySpan's web site at www.keyspanenergy.com.