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Exhibit 12

IRON MOUNTAIN INCORPORATED

STATEMENT OF THE CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Dollars in thousands)

	Year Ended December 31,										Six Months Ended June 30,
	2007		2008		2009		2010		2011		2011		2012
Earnings:
Income from Continuing Operations before Provision for Income Taxes	$	243,161	$	240,766	$	345,279	$	334,222	$	352,900	$	195,652	$	176,738
Add: Fixed Charges		292,435		309,991		292,860		284,052		286,241		137,824		157,246
	$	535,596	$	550,757	$	638,139	$	618,274	$	639,141	$	333,476	$	333,984
Fixed Charges:
Interest Expense, Net	$	214,147	$	219,989	$	212,545	$	204,559	$	205,256	$	97,222	$	117,000
Interest Portion of Rent Expense		78,288		90,002		80,315		79,493		80,985		40,602		40,246
	$	292,435	$	309,991	$	292,860	$	284,052	$	286,241	$	137,824	$	157,246
Ratio of Earnings to Fixed Charges		1.8x		1.8x		2.2x		2.2x		2.2x		2.4x		2.1x

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Exhibit 12

IRON MOUNTAIN INCORPORATED
STATEMENT OF THE CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Dollars in thousands)