UNITIL CORP — Director's Dealing 2008

May 1, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNITIL CORP (UTL)
CIK: 0000755001
Period of Report: 2008-02-15

Reporting Person: COLLIN MARK H (SR. VP , CFO & Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-02-15	Common stock, no par value	J	75.989	$28.648	Acquired	0	Direct
2008-03-10	Common stock, no par value	J	200	$27.10	Acquired	0	Direct
2008-04-29	Common stock, no par value	J	200	$26.97	Acquired	8185.951	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock, no par value	1611.754	Indirect

Footnotes

F1: Acquisition pursuant to reinvestment of dividends.

F2: Shares granted pursuant to the Unitil Corporation Restricted Stock Plan on March 8, 2005. Shares represent 25% of total grant and vested on Monday, March 10, 2008. The terms of the Unitil Corporation Restricted Stock Plan specify valuation at the time of vesting. Vested shares are unrestricted and fully transferable by owner.

F3: Shares granted pursuant to the Unitil Corporation Restricted Stock Plan on April 29, 2004. Shares represent 25% of total grant and vested on April 29, 2008. The terms of the Unitil Corporation Restricted Stock Plan specify valuation at the time of vesting. Vested shares are unrestricted and fully transferable by owner.

F4: Shares are held in trust under the terms of the Unitil Corporation Tax Deferred Savings and Investment Plan.