Exhibit 12.1

BlackRock, Inc.

Computation of Earnings to Fixed Charges

	Year ended December 31,															Three Months Ended March 31,
	2002			2003			2004			2005			2006			2006			2007
Pre-tax income	$	223,948		$	250,902		$	200,438		$	375,755		$	528,233		$	113,122		$	429,962
Add: Fixed charges		4,726			5,211			5,590			15,236			22,393			3,900			17,894
Distributions from equity investees		1,008			3,144			2,276			—			—			—			—
Less: Income from equity investees		(2,098	)		(4,912	)		(2,549	)		(11,526	)		(5,659	)		(3,392	)		(2,406	)
Pre-tax income before fixed charges	$	227,584		$	254,345		$	205,755		$	379,465		$	544,967		$	113,630		$	445,450
Fixed charges:
Interest expense	$	683		$	720		$	835		$	7,924		$	9,916		$	1,969		$	10,986
Portion of rent representative of interest		4,043			4,491			4,755			7,312			12,477			1,931			6,908
Total fixed charges	$	4,726		$	5,211		$	5,590		$	15,236		$	22,393		$	3,900		$	17,894
Ratio of earnings to fixed charges		48.15			48.81			36.81			24.91			24.34			29.14			24.89