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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,
		2003			2004			2005			2006			2007			2007			2008
Earnings:
	Income from Continuing Operations     before Provision for Income Taxes     and Minority Interest	$	156,989		$	166,735		$	197,018		$	224,218		$	223,024		$	57,181		$	52,346
	Add: Fixed Charges		195,258			240,270			245,431			264,211			308,871			68,818			82,273
		$	352,247		$	407,005		$	442,449		$	488,429		$	531,895		$	125,999		$	134,619
Fixed Charges:
	Interest Expense, Net	$	150,468		$	185,749		$	183,584		$	194,958		$	228,593		$	50,335		$	60,019
	Interest Portion of Rent Expense		44,790			54,521			61,847			69,253			80,278			18,483			22,254
		$	195,258		$	240,270		$	245,431		$	264,211		$	308,871		$	68,818		$	82,273
Ratio of Earnings to Fixed Charges			1.8	x		1.7	x		1.8	x		1.8	x		1.7	x		1.8	x		1.6	x

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Exhibit 12

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