Certain Information Regarding Participants:

Eversource and its trustees, executive officers and employees may be deemed participants in the solicitation of proxies from Connecticut Water shareholders in connection with Connecticut Water’s Special Meeting of Shareholders. Information about the interests in Connecticut Water of Eversource and such trustees, executive officers and employees is set forth in a preliminary proxy statement that was filed with the SEC on June 14, 2018 (the “Eversource Proxy”).

Additional Information:

Investors are urged to read in its entirety the Eversource Proxy, which is available now, and the definitive proxy statement and any other relevant documents filed with the SEC when they become available, because they contain (or will contain) important information. The Eversource Proxy, and any other documents filed by Eversource with the SEC, may be obtained free of charge at the SEC web site at www.sec.gov. The Eversource Proxy and such other documents may also be obtained free of charge by contacting D.F. King & Co., Inc. at: (800) 967-5071 or 48 Wall Street, 22nd Floor, New York, New York 10005.

This document shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the U.S. Securities Act of 1933, as amended. This communication relates to a proposal that Eversource has made for a business combination transaction with Connecticut Water. In furtherance of this proposal and subject to future developments, if Eversource and Connecticut Water agree on a negotiated transaction, Eversource and Connecticut Water may file one or more registration statements, tender offer statements, prospectuses, proxy statements or other documents with the SEC. This communication is not a substitute for any registration statement, tender offer statement, prospectus, proxy statement or other document Eversource and/or Connecticut Water file with the SEC in connection with the proposed transaction. Investors are urged to read carefully the registration statement(s), tender offer statement(s), prospectus(es), proxy statement(s) and other documents filed with the SEC when they become available because they will contain important information about Eversource, Connecticut Water and the proposed transaction. Investors may obtain free copies of these documents (when they are available) and other related documents filed with the SEC at the SEC’s web site at www.sec.gov or by directing a request to Eversource’s Investor Relations department at (860) 665-5154 or by email to [email protected].