EXHIBIT 11

UNITIL CORPORATION AND SUBSIDIARY COMPANIES

COMPUTATION OF EARNINGS PER WEIGHTED AVERAGE COMMON SHARE OUTSTANDING

(Millions except common shares and per share data)

(UNAUDITED)

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Net Income	$	1.7	$	1.1	$	15.3	$	13.7
Weighted Average Number of Common Shares Outstanding – Basic (000’s)		13,912		13,837		13,880		13,828
Dilutive Effect of Stock Options and Restricted Stock (000’s)		3		5		3		4
Weighted Average Number of Common Shares Outstanding – Diluted (000’s)		13,915		13,842		13,883		13,832
Earnings Per Share – Basic and Diluted	$	0.12	$	0.08	$	1.10	$	0.99