NSTAR (NYSE:NST) announced today that it is holding a conference call to discuss its second quarter financial results. The conference call will be held on Friday, July 29, 2011 at 9:00 a.m. (Eastern Time). Earnings information will be released after market hours on Thursday, July 28, 2011.

The call is being webcast and can be accessed on NSTAR’s corporate website – www.nstar.com – by selecting “Investor Relations” then “Webcast.” A replay of the call will be archived on NSTAR’s website in the Investor Relations section under “Financial Information” and then “Webcast Archives.”

Profile

NSTAR, headquartered in Boston, is an energy delivery company with 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.

On October 18, 2010, NSTAR announced a stock-for-stock merger-of-equals transaction with Northeast Utilities. In March 2011, NSTAR and Northeast Utilities shareholders voted to approve the merger. To date, the companies have received various approvals or consents for the merger from several regulatory agencies, including the Federal Energy Regulatory Commission. The Massachusetts Department of Public Utilities began its hearings on the merger on July 6, 2011 and the Nuclear Regulatory Commission’s review is pending. The merger is expected to be completed later this year. For more information, go to www.nstar.com.