Iron Mountain Information Management S-3ASR Automatic shelf registration

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Exhibit 12.1

IRON MOUNTAIN INCORPORATED

STATEMENT REGARDING COMMUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Dollars in thousands)

			Year Ended December 31,															Three Months Ended March 31, 2007
			2002			2003			2004			2005			2006
Earnings:
	Income from Continuing Operations
		before Provision for Income Taxes
		and Minority Interest	$	114,519		$	156,989		$	166,735		$	197,018		$	224,218		$	57,181
		Add: Fixed Charges		178,587			195,258			240,270			245,431			264,211			68,818
			$	293,106		$	352,247		$	407,005		$	442,449		$	488,429		$	125,999
Fixed Charges:
	Interest Expense, Net(1)		$	136,632		$	150,468		$	185,749		$	183,584		$	194,958		$	50,335
	Interest Portion of Rent Expense			41,955			44,790			54,521			61,847			69,253			18,483
			$	178,587		$	195,258		$	240,270		$	245,431		$	264,211		$	68,818
Ratio of Earnings to Fixed Charges				1.6	x		1.8	x		1.7	x		1.8	x		1.8	x		1.8	x

(1)

Does not include interest expense related to uncertain tax positions.

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Exhibit 12.1