Iron Mountain (IRM) 10-Q 2008 Q2 Quarterly report

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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, 2008
			2003			2004			2005			2006			2007
Earnings:
	Income from Continuing Operations before Provision for Income Taxes and Minority Interest		$	156,989		$	166,735		$	197,018		$	224,218		$	223,024		$	112,943
		Add: Fixed Charges		195,258			240,270			245,431			264,211			308,871			164,161
			$	352,247		$	407,005		$	442,449		$	488,429		$	531,895		$	277,104
Fixed Charges:
	Interest Expense, Net		$	150,468		$	185,749		$	183,584		$	194,958		$	228,593		$	119,776
	Interest Portion of Rent Expense			44,790			54,521			61,847			69,253			80,278			44,385
			$	195,258		$	240,270		$	245,431		$	264,211		$	308,871		$	164,161
Ratio of Earnings to Fixed Charges				1.8	x		1.7	x		1.8	x		1.8	x		1.7	x		1.7	x

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Exhibit 12

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