On October 13, 2009, Unitil Corporation ("Unitil") entered into an amendment to its 364-day revolving credit facility with Bank of America, as administrative agent, and a syndicate of lenders. Unitil originally entered into the facility on November 26, 2008.

The amendment increases the maximum borrowings under the facility to $80 million. It also (i) changes the upfront fees to 15 basis points of the aggregate commitment, (ii) changes the commitment fees to 40 basis points per annum of the average difference between the aggregate commitment and the outstanding borrowings, (iii) changes the margin applicable to borrowings to 2.0% per annum, and (iv) extends the maturity date for borrowings to October 12, 2010.

Except as expressly amended by the amendment, all other terms and conditions of the facility remain in full force and effect.

The foregoing description of the amendment to Unitil's 364-day revolving credit facility is qualified in its entirety by reference to the full text of the amendment, which is filed herewith as Exhibit 10.1 to this Current Report on Form 8-K.

(d) Exhibits

Exhibit No.       Description

10.1              Third Amendment Agreement dated October 13, 2009 by and among
                  Unitil Corporation, each lender whose name appears on the
                  signature page thereof, and Bank of America, N.A., as
                  administrative agent and a lender