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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,										Three Months Ended March 31,
	2008		2009		2010		2011		2012		2012		2013
Earnings:
Income from Continuing Operations before Provision for Income Taxes	$	240,766	$	345,279	$	334,222	$	352,900	$	298,366	$	86,333	$	56,921
Add: Fixed Charges		309,991		292,860		284,052		286,241		326,261		78,731		83,216
	$	550,757	$	638,139	$	618,274	$	639,141	$	624,627	$	165,064	$	140,137
Fixed Charges:
Interest Expense, Net	$	219,989	$	212,545	$	204,559	$	205,256	$	242,599	$	58,784	$	63,182
Interest Portion of Rent Expense		90,002		80,315		79,493		80,985		83,662		19,947		20,034
	$	309,991	$	292,860	$	284,052	$	286,241	$	326,261	$	78,731	$	83,216
Ratio of Earnings to Fixed Charges		1.8x		2.2x		2.2x		2.2x		1.9x		2.1x		1.7x

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EXHIBIT 12

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