HAMPTON, N.H., June 30, 2026 (GLOBE NEWSWIRE) -- Unitil Corporation (NYSE:UTL) ('Unitil” or the 'Company”) (unitil.com) today announced that it completed the purchase of Aquarion Water Company of New Hampshire, Inc. and Abenaki Water Co., Inc. (the 'Aquarion Companies”) from the Aquarion Water Authority ('AWA”). The Stock Purchase Agreement (the 'Agreement”) between Unitil and the AWA was first announced on May 6, 2025 and subsequently amended, including to limit Unitil’s purchase to the two Aquarion Companies. All conditions of the Agreement, as amended, including the receipt of approvals from the New Hampshire and Maine Public Utilities Commissions, were materially completed as of the closing date.