Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
LONG GEORGE E JR
 2. Issuer Name and Ticker or Trading Symbol
UNITIL CORP [UTL] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President
(Last)
(First)
(Middle)

6 LIBERTY LANE WEST		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2011
(Street)


HAMPTON, NH 03842		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common stock, no par value. 02/15/2011   J(1) 90.237 A $ 22.699 0 D  
Common stock, no par value. 05/16/2011   J(2) 103.118 A $ 24.548 0 D  
Common stock, no par value. 08/15/2011   J(3) 99.757 A $ 25.732 0 D  
Common stock, no par value. 11/15/2011   J(4) 96.473 A $ 26.964 7,636.615 D  
Common stock, no par value.             764.4 (5) I Held in trust.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
LONG GEORGE E JR
6 LIBERTY LANE WEST
HAMPTON, NH 03842		       Vice President  

Signatures

/s/ George E. Long, Jr. 02/02/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Acquisition pursuant to reinvestment of dividends.
(2) Acquisition pursuant to reinvestment of dividends.
(3) Acquisition pursuant to reinvestment of dividends.
(4) Acquisition pursuant to reinvestment of dividends.
(5) Shares are held in trust under the terms and conditions of the Unitil Corporation Tax Deffered Savings and Investment Plan ("TDSIP"). Under the TDSIP, Unitil Corporation common stock is held in a unitized fund that consists of 95% share "units" and 5% cash. The number of share units held may fluctuate daily depending on the open market per share price of Unitil Corporation common stock. In 2011, share units held decreased from the 2010 year end total due to a higher stock price on 12/31/11. No sale of shares or reallocation occurred.

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