• NSTAR Electric issued USD 700 million of debentures, split between USD 350 million 4.650% Debentures due 2031 and USD 350 million 5.200% Debentures due 2036, under an underwriting agreement dated May 11.
• Offering priced as new long-term financing, with maturities on May 15, 2031 and May 15, 2036.
• Interest payable semi-annually on May 15 and Nov. 15, starting Nov. 15, 2026.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. NSTAR Electric Co. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001104659-26-060236), on May 13, 2026, and is solely responsible for the information contained therein.