EXHIBIT 11

UNITIL CORPORATION AND SUBSIDIARY COMPANIES

COMPUTATION OF EARNINGS PER AVERAGE COMMON SHARE OUTSTANDING

($ Millions, except for per share data)

(UNAUDITED)

	Three Months Ended March 31,
	2019		2018
Net Income	$	26.5	$	15.6
Less: Dividend Requirements on Preferred Stock		—		—
Net Income Applicable to Common Stock	$	26.5	$	15.6
Weighted Average Number of Common Shares Outstanding – Basic (000’s)		14,875		14,803
Dilutive Effect of Stock Options and Restricted Stock (000’s)		5		3
Weighted Average Number of Common Shares Outstanding – Diluted (000’s)		14,880		14,806
Earnings Per Share – Basic	$	1.78	$	1.06
Earnings Per Share – Diluted	$	1.78	$	1.06