UTL

SEC source: 0001209191-23-051859 · doc4.xml · nonDerivative · entry 1

WHITELEY DAVID A · CIK 0001190118 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,016

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-23-051857 · doc4.xml · nonDerivative · entry 1

Vogel Justine · CIK 0001766849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,117

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-23-051855 · doc4.xml · nonDerivative · entry 1

GODFREY EDWARD F · CIK 0001241513 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,707

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-23-051853 · doc4.xml · nonDerivative · entry 1

Foster Suzanne · CIK 0001766653 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,117

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-23-051851 · doc4.xml · nonDerivative · entry 1

COLLIN MARK H · CIK 0001240995 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,820.16

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-23-051849 · doc4.xml · nonDerivative · entry 1

Brown Winfield S · CIK 0001802079 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,706

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-23-051847 · doc4.xml · nonDerivative · entry 1

Awad Neveen F · CIK 0001952995 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,197

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-23-051845 · doc4.xml · nonDerivative · entry 1

Alonzo Anne L. · CIK 0001894560 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,276

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-23-005021 · doc4.xml · derivative · entry 4

WHITNEY SANDRA L · CIK 0001248881 · Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110

Underlying: Common stock · 110 shares

Expires not disclosed

F5 · derivative.exercise_price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F5 · price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F5 · derivative.exercise_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F5 · derivative.expiration_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

SEC source: 0001209191-23-005021 · doc4.xml · nonDerivative · entry 2

WHITNEY SANDRA L · CIK 0001248881 · Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,063.731

F2 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

F3 · balance_after: Includes 20.367 shares of common stock acquired on February 25, 2022, 17.766 shares of common stock acquired on May 27, 2022, 18.182 shares of common stock acquired on August 26, 2022 and 19.226 shares of common stock acquired on November 28, 2022, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

SEC source: 0001209191-23-005021 · doc4.xml · nonDerivative · entry 1

WHITNEY SANDRA L · CIK 0001248881 · Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005019 · doc4.xml · derivative · entry 3

Hurstak Daniel J · CIK 0001807713 · CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 485

Underlying: Common stock · 485 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.exercise_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.expiration_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

SEC source: 0001209191-23-005019 · doc4.xml · nonDerivative · entry 2

Hurstak Daniel J · CIK 0001807713 · CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,518.9

F2 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

F3 · balance_after: Includes 55.580 shares of common stock acquired on February 25, 2022, 48.481 shares of common stock acquired on May 27, 2022, 49.618 shares of common stock acquired on August 26, 2022 and 52.466 shares of common stock acquired on November 28, 2022, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

SEC source: 0001209191-23-005019 · doc4.xml · nonDerivative · entry 1

Hurstak Daniel J · CIK 0001807713 · CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005017 · doc4.xml · derivative · entry 3

LeBlanc Christopher J · CIK 0001768487 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 485

Underlying: Common stock · 485 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.exercise_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.expiration_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

SEC source: 0001209191-23-005017 · doc4.xml · nonDerivative · entry 2

LeBlanc Christopher J · CIK 0001768487 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,776.01

F2 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

F3 · balance_after: Includes 28.230 shares of common stock acquired on February 25, 2022, 24.429 shares of common stock acquired on May 27, 2022, 24.830 shares of common stock acquired on August 26, 2022 and 26.073 shares of common stock acquired on November 28, 2022, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

SEC source: 0001209191-23-005017 · doc4.xml · nonDerivative · entry 1

LeBlanc Christopher J · CIK 0001768487 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005014 · doc4.xml · derivative · entry 4

Eisfeller Justin · CIK 0001909978 · VP, IT & CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 485

Underlying: Common stock · 485 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.exercise_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.expiration_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

SEC source: 0001209191-23-005014 · doc4.xml · nonDerivative · entry 2

Eisfeller Justin · CIK 0001909978 · VP, IT & CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,274

F2 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005014 · doc4.xml · nonDerivative · entry 1

Eisfeller Justin · CIK 0001909978 · VP, IT & CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005008 · doc4.xml · derivative · entry 3

Hevert Robert B · CIK 0001819134 · SVP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,010

Underlying: Common stock · 1,010 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.exercise_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.expiration_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

SEC source: 0001209191-23-005008 · doc4.xml · nonDerivative · entry 2

Hevert Robert B · CIK 0001819134 · SVP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,942.77

F2 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

F3 · balance_after: Includes 66.779 shares of common stock acquired on February 25, 2022, 58.250 shares of common stock acquired on May 27, 2022, 59.616 shares of common stock acquired on August 26, 2022 and 63.039 shares of common stock acquired on November 28, 2022, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

SEC source: 0001209191-23-005008 · doc4.xml · nonDerivative · entry 1

Hevert Robert B · CIK 0001819134 · SVP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005004 · doc4.xml · derivative · entry 3

BLACK TODD R · CIK 0001241000 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 485

Underlying: Common stock · 485 shares

Expires not disclosed

F3 · derivative.exercise_price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F3 · price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F3 · derivative.exercise_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F3 · derivative.expiration_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

SEC source: 0001209191-23-005004 · doc4.xml · nonDerivative · entry 2

BLACK TODD R · CIK 0001241000 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,485.031

F2 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005004 · doc4.xml · nonDerivative · entry 1

BLACK TODD R · CIK 0001241000 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005003 · doc4.xml · derivative · entry 3

BLACK TODD R · CIK 0001241000 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 485

Underlying: Common stock · 485 shares

Expires not disclosed

F3 · derivative.exercise_price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F3 · price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F3 · derivative.exercise_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F3 · derivative.expiration_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

SEC source: 0001209191-23-005003 · doc4.xml · nonDerivative · entry 2

BLACK TODD R · CIK 0001241000 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,485.031

F2 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005003 · doc4.xml · nonDerivative · entry 1

BLACK TODD R · CIK 0001241000 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005001 · doc4.xml · derivative · entry 4

MEISSNER THOMAS P JR · CIK 0001241002 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,410

Underlying: Common stock · 3,410 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · price: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.exercise_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

F4 · derivative.expiration_date: Shares may be granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.

SEC source: 0001209191-23-005001 · doc4.xml · nonDerivative · entry 2

MEISSNER THOMAS P JR · CIK 0001241002 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,125

F2 · price: Shares were granted pursuant to the Unitil Corporation Second Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

SEC source: 0001209191-23-005001 · doc4.xml · nonDerivative · entry 1

MEISSNER THOMAS P JR · CIK 0001241002 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: 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.

SEC source: 0001209191-22-055911 · doc4.xml · nonDerivative · entry 1

Awad Neveen F · CIK 0001952995 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 283

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-22-052266 · doc4a.xml · derivative · entry 2

GREEN MICHAEL B · CIK 0001253399 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,450

Underlying: Common stock · 1,712 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.exercise_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.expiration_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

SEC source: 0001209191-22-052209 · doc4.xml · nonDerivative · entry 1

Vogel Justine · CIK 0001766849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,203

F1 · kind: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-22-052190 · doc4.xml · nonDerivative · entry 1

Foster Suzanne · CIK 0001766653 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,203

F1 · date: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-22-052158 · doc4.xml · nonDerivative · entry 1

GODFREY EDWARD F · CIK 0001241513 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,793

F1 · date: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-22-052156 · doc4.xml · nonDerivative · entry 1

COLLIN MARK H · CIK 0001240995 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,906.16

F1 · date: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-22-052148 · doc4.xml · nonDerivative · entry 1

WHITELEY DAVID A · CIK 0001190118 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,102

F1 · date: Shares were purchased on my behalf by Unitil Corporation and transferred into my name in connection with the stock portion of my annual Retainer Fee received as a Director of the Company.

SEC source: 0001209191-22-052143 · doc4.xml · derivative · entry 2

Brown Winfield S · CIK 0001802079 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,326

Underlying: Common stock · 1,712 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.exercise_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.expiration_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

SEC source: 0001209191-22-052140 · doc4.xml · derivative · entry 2

GREEN MICHAEL B · CIK 0001253399 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,450

Underlying: Common Stock · 1,712 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.exercise_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.expiration_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

SEC source: 0001209191-22-052135 · doc4.xml · derivative · entry 2

MOULTON EBEN S · CIK 0001241004 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,450

Underlying: Common stock · 1,712 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.exercise_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.expiration_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

SEC source: 0001209191-22-005027 · doc4.xml · nonDerivative · entry 1

WHITNEY SANDRA L · CIK 0001248881 · Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,548.19

F1 · price: 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.

F2 · balance_after: Includes 18.088 shares of common stock acquired on February 26, 2021, 14.164 shares of common stock acquired on May 28, 2021, 15.848 shares of common stock acquired on August 27, 2021 and 18.968 shares of common stock acquired on November 29, 2021, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

SEC source: 0001209191-22-005023 · doc4.xml · nonDerivative · entry 1

Hurstak Daniel J · CIK 0001807713 · CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,372.75

F1 · price: 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.

F2 · balance_after: Includes 0.77 shares of common stock acquired on February 26, 2021, 27.99 shares of common stock acquired on May 28, 2021, 39.73 shares of common stock acquired on August 27, 2021 and 47.552 shares of common stock acquired on November 29, 2021, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

SEC source: 0001209191-22-005025 · doc4.xml · nonDerivative · entry 1

LeBlanc Christopher J · CIK 0001768487 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,732.45

F1 · price: 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.

F2 · balance_after: Includes 24.87 shares of common stock acquired on February 26, 2021, 19.3 shares of common stock acquired on May 28, 2021, 21.45 shares of common stock acquired on August 27, 2021 and 25.476 shares of common stock acquired on November 29, 2021, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

SEC source: 0001209191-22-005021 · doc4.xml · nonDerivative · entry 1

Hevert Robert B · CIK 0001819134 · SVP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,655.08

F1 · price: 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.

F2 · balance_after: Includes 44.49 shares of common stock acquired on February 26, 2021, 34.84 shares of common stock acquired on May 28, 2021, 38.98 shares of common stock acquired on August 27, 2021 and 46.651 shares of common stock acquired on November 29, 2021, in each case resulting from the reinvestment of dividends pursuant to Unitil Corporation's Dividend reinvestment and Stock Purchase Plan.

SEC source: 0001209191-22-005019 · doc4.xml · nonDerivative · entry 1

BLACK TODD R · CIK 0001241000 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,546.031

F1 · price: 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.

SEC source: 0001209191-22-005015 · doc4.xml · nonDerivative · entry 1

MEISSNER THOMAS P JR · CIK 0001241002 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,485

F1 · price: 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.

SEC source: 0001209191-21-058877 · doc4.xml · derivative · entry 2

Brown Winfield S · CIK 0001802079 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,614

Underlying: Common stock · 1,614 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.exercise_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.expiration_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

SEC source: 0001209191-21-058869 · doc4.xml · derivative · entry 2

GREEN MICHAEL B · CIK 0001253399 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,738

Underlying: Common stock · 1,614 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.exercise_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.

F1 · derivative.expiration_date: Each restricted stock unit is equivalent in value to one share of Unitil Corporation's common stock, no par value ("Common Stock"), and represents the right to receive a combination of cash and Common Stock after separation from service on Unitil Corporation's Board of Directors. Each restricted stock unit is fully vested upon grant and is payable 70% in Common Stock and 30% in cash, based upon the closing price of Common Stock on the day prior to settlement.