X0306 4 2016-01-26 0 0000755001 UNITIL CORP UTL 0001240995 COLLIN MARK H 6 LIBERTY LANE WEST HAMPTON NH 03842 0 1 0 0 SR. VP , CFO & Treasurer Common stock, no par value. 2016-01-26 4 A 0 4170 0.00 A 36785.161 D Common stock, no par value. 2653.07 I Held in trust. Shares were granted pursuant to the Unitil Corporation Restricted Stock Plan. Shares will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting. Includes 330.232 shares of common stock acquired on February 27, 2015 and 334.113 shares of common stock acquired May 28, 2015, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporations Dividend Reinvestment and Stock Purchase Plan. Shares are held in trust under the terms of the Unitil Corporation Tax Deferred Savings and Investment Plan. /s/ Mark H. Collin 2016-01-28