Integrated Alarm Services (IASG) 10-K 2005 FY Annual report

Statement of Computation of Earnings Per Share

Exhibit 11.1
	Total Shares			Weighted Average Year
Year Ended December 31, 2003
Shares outstanding January 1, 2003		709,719			709,719
Shares issued for IASI and Morlyn on January 31, 2003		881,192			806,351		334/365
Shares issued upon IPO on July 29, 2003		22,000,000			9,402,740		156/365
Shares issued upon exercise of overallotment on August 27, 2003		982,729			341,936		127/365
Shares issued to Criticom shareholders, earn-out, December 2, 2003		34,091			2,709		29/365
Shares outstanding December 31, 2003		24,607,731			11,263,455
Net income (loss)				$	(22,005,000	)
Net income (loss) per share				$	(1.95	)
Year Ended December 31, 2004
Shares outstanding January 1, 2004		24,607,731			24,607,731
Shares issued for Criticom (contingent) purchase		34,091			33,625		361/366
Shares issued upon conversion of debt:
April 26, 2004		36,036			24,516		249/366
June 2, 2004		3,604			2,088		212/366
Shares outstanding December 31, 2004		24,681,462			24,667,960
Net income (loss)				$	(11,717,000	)
Net income (loss) per share				$	(0.47	)
Year Ended December 31, 2005
Shares outstanding January 1, 2005		24,681,462			24,681,462
Shares of Treasury Stock purchased on:
November 28, 2005		(5,000	)		(452	)	33/365
December 2, 2005		(13,436	)		(1,068	)	29/365
December 6, 2005		(100,000	)		(6,849	)	25/365
December 8, 2005		(76,700	)		(4,833	)	23/365
December 9, 2005		(66,700	)		(4,020	)	22/365
December 12, 2005		(9,600	)		(500	)	19/365
December 13, 2005		(3,500	)		(173	)	18/365
December 14, 2005		(6,615	)		(308	)	17/365
December 16, 2005		(15,308	)		(629	)	15/365
December 21, 2005		(15,767	)		(432	)	10/365
Shares outstanding December 31, 2004		24,368,836			24,662,198
Net income (loss)				$	(22,332,000	)
Net income (loss) per share				$	(0.91	)