Exhibit 11.1

UNITIL CORPORATION

COMPUTATION IN SUPPORT OF EARNINGS PER SHARE

	Year Ended December 31,
	2019		2018		2017
EARNINGS PER SHARE (000’s, except per share data)
Net Income	$	44,238	$	33,041	$	29,005
Less: Dividend Requirements on Preferred Stock		11		11		11
Net Income Applicable to Common Stock	$	44,227	$	33,030	$	28,994
Average Number of Common Shares Outstanding—Basic		14,894		14,824		14,095
Dilutive Effect of Stock Options and Restricted Stock		6		5		7
Average Number of Common Shares Outstanding—Diluted		14,900		14,829		14,102
Earnings Per Share—Basic	$	2.97	$	2.23	$	2.06
Earnings Per Share—Diluted	$	2.97	$	2.23	$	2.06