Northeast Utilities (NYSE: NU) and NSTAR (NYSE: NST) will webcast a joint presentation to financial analysts on Monday, November 7, 2011, at the Edison Electric Institute Financial Conference in Lake Buena Vista, Florida. Senior management will discuss the companies' financial performance for the third quarter of 2011. There will also be an update by the senior management of both NU and NSTAR on the proposed merger between the two companies announced on October 18, 2010.

The companies will each release third quarter 2011 financial results on Friday, November 4, 2011, after the market closes.

The November 7 presentation will begin at 7 a.m. Eastern Time and be led by Charles W. Shivery, Chairman, President and Chief Executive Officer of Northeast Utilities, and Thomas J. May, Chairman, President and Chief Executive Officer of NSTAR. Also participating will be David R. McHale, Executive Vice President and Chief Financial Officer of NU; James J. Judge, NSTAR's Senior Vice President and Chief Financial Officer; and Lee Olivier, Executive Vice President and Chief Operating Officer of NU.

This listen-only, live audio call is being webcast by Thomson Reuters and will be accessible from the Investors section of the NU website at http://www.nu.com/investors/presentations.asp or NSTAR's website - www.nstar.com - by selecting "Investor Relations."

The webcast is also being distributed through the Thomson Reuters' StreetEvents Network. Individual investors can listen to the call at http://www.earnings.com, Thomson Reuters' individual investor portal, powered by StreetEvents. After the webcast is completed, it will be archived on the site for one year. It will also be archived on NSTAR's website in the Investor Relations section under "Financial Information." Institutional investors can also access the call via Thomson Reuters' StreetEvents (http://www.streetevents.com), a password-protected event management site.

Northeast Utilities (NYSE: NU), a Fortune 500 and Standard & Poor's 500 energy company based in Connecticut, operates New England's largest energy delivery system. NU is committed to safety, reliability, environmental leadership and stewardship, and expanding energy options for its more than 2 million electricity and natural gas customers. For more information on Northeast Utilities and its subsidiaries, visit the NU family of Web sites at www.nu.com.

NSTAR (NYSE: NST), headquartered in Boston, is an energy delivery company with annual revenues of approximately $3 billion and assets of $8 billion that serves 1.4 million customers in Massachusetts, including approximately 1.1 million electric distribution customers in 81 communities and 300,000 natural gas distribution customers in 51 communities. For more information, go to www.nstar.com.

Northeast Utilities
Investor Inquiries:
Jeff Kotkin, 860-728-4650
kotkij@nu.com
or
NSTAR
Investor Inquiries:
John Moreira, 781-441-8887
john.moreira@nstar.com