Form 8-K Filing Summary

On April 29, 2026, Unitil Corporation held its Annual Meeting of Shareholders. The shareholders elected three Class II directors: Neveen F. Awad, Winfield S. Brown, and Mark H. Collin, each to serve a three-year term. The shareholders also ratified the selection of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for 2026. Additionally, the shareholders approved, on an advisory basis, the compensation of the Company’s Named Executive Officers. A quorum was established with 15,944,668 shares represented, constituting 88.65% of the outstanding common stock.