UNITIL CORP — Director's Dealing 2025

Oct 3, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNITIL CORP (UTL)
CIK: 0000755001
Period of Report: 2025-10-01

Reporting Person: Lewis-Raymond Jane (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-01	Restricted stock units	$	A	2435	Acquired		Common stock (2435)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock, no par value	288.33	Direct

Footnotes

F1: Includes 2.235 shares of common stock acquired on February 28, 2025, 2.369 shares of common stock acquired on May 30, 2025, and 2.725 shares of common stock acquired on August 28, 2025, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

F2: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.