CORRECTED: KeySpan Corporation Announces 4Q 2002 Conference Call.

Business Editors

NEW YORK--(BUSINESS WIRE)--Jan. 22, 2003

KSE (NYSE:KSE), KeySpan Corporation, the largest gas distribution company in the Northeast, United States, will hold its quarterly conference call to discuss fourth quarter results on Tuesday, January 28, 2003, at 3:00 p.m. Eastern Time

This call is being webcast by CCBN and can be accessed at KeySpan's web site at http://keyspanenergy.investor.com,

The webcast is also being distributed over CCBN's Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through CCBN's individual investor center at www.companyboardroom.com or by visiting any of the investor sites in CCBN's Individual Investor Network. Institutional investors can access the call via CCBN's password-protected event management site, StreetEvents (www.streetevents.com).

A member of the S & P 500, KeySpan Corporation is the largest distributor of natural gas in the Northeast, with 2.5 million gas customers and about 12,000 employees. KeySpan is also the largest investor-owned electric generator in New York State and operates Long Island's electric system under contract with the Long Island Power Authority for its 1.1 million customers. With headquarters in Brooklyn, Boston and Long Island, KeySpan manages a portfolio of service companies. They include: KeySpan Energy Delivery, the group of regulated natural gas utilities; KeySpan Home Energy Services, a full-service energy company for residential and small commercial customers; and KeySpan Business Solutions, a full-service energy company for business customers. KeySpan also has strategic investments in natural-gas exploration and production, pipeline transportation, distribution and storage, as well as Canadian gas processing and fiber-optic cable. For more information about the company, visit KeySpan's Web site at: http://www.keyspanenergy.com.