Exhibit 11.1

UNITIL CORPORATION

COMPUTATION IN SUPPORT OF EARNINGS PER SHARE

	Year Ended December 31,
	2021		2020		2019
EARNINGS PER SHARE (000’s, except per share data)
Net Income	$	36,084	$	32,166	$	44,238
Less: Dividend Requirements on Preferred Stock		11		11		11
Net Income Applicable to Common Stock	$	36,073	$	32,155	$	44,227
Average Number of Common Shares Outstanding - Basic		15,373		14,951		14,894
Dilutive Effect of Stock Options and Restricted Stock		3		1		6
Average Number of Common Shares Outstanding - Diluted		15,376		14,952		14,900
Earnings Per Share - Basic	$	2.35	$	2.15	$	2.97
Earnings Per Share - Diluted	$	2.35	$	2.15	$	2.97