X0306 4 2019-01-29 0 0000755001 UNITIL CORP UTL 0001248881 WHITNEY SANDRA L 6 LIBERTY LANE WEST HAMPTON NH 03842 0 1 0 0 Corporate Secretary Common stock, no par value 2019-01-29 4 A 0 290 0.00 A 1291.214 D Common stock, no par value 28.77 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 8.16 shares of common stock acquired on February 28, 2018, 7.547 shares of common stock acquired on May 29, 2018, 7.102 shares of common stock acquired on August 29, 2018 and 7.158 shares of common stock acquired on November 29, 2018, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's 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/ Sandra L. Whitney 2019-01-31