UNITIL CORP — Director's Dealing 2006

May 15, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNITIL CORP (UTL)
CIK: 0000755001
Period of Report: 2006-05-12

Reporting Person: GANTZ GEORGE R (Sr. Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-05-12	Common stock, no par value	J	200	$24.60	Acquired	8622.000	Direct

Footnotes

F1: Shares granted pursuant to the Unitil Corporation Restricted Stock Plan on May 12, 2003. Shares represent 25% of total grant and vested on May 12, 2006. Vested shares are unrestricted and fully transferable by owner.