Iron Mountain (IRM) 8-K Other Events

Exhibit 12

IRON MOUNTAIN INCORPORATED

STATEMENT OF THE CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Dollars in thousands)

	Three Months		Three Months
	Ended		Ended
	March 31, 2010		March 31, 2011
Earnings:
Income from Continuing Operations before Provision for Income Taxes	$	78,433	$	93,846
Add: Fixed Charges	72,815		69,582
	$	151,248	$	163,428
Fixed Charges:
Interest Expense, Net	$	52,916	$	48,987
Interest Portion of Rent Expense	19,899		20,595
	$	72,815	$	69,582
Ratio of Earnings to Fixed Charges	2.1		2.3		x

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