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

	Year Ended December 31,

	2008			2009			2010			2011			2012
Earnings:
Income from Continuing Operations before Provision for Income Taxes	$	240,766		$	345,279		$	334,222		$	352,900		$	298,366
Add: Fixed Charges		309,991			292,860			284,052			286,241			326,261

	$	550,757		$	638,139		$	618,274		$	639,141		$	624,627

Fixed Charges:
Interest Expense, Net	$	219,989		$	212,545		$	204,559		$	205,256		$	242,599
Interest Portion of Rent Expense		90,002			80,315			79,493			80,985			83,662

	$	309,991		$	292,860		$	284,052		$	286,241		$	326,261

Ratio of Earnings to Fixed Charges		1.8	x		2.2	x		2.2	x		2.2	x		1.	9x