Exhibit 12.1

BlackRock, Inc.

Computation of Ratio of Earnings to Fixed Charges

(Unaudited)

	Nine months ended September 30,						Year ended December 31,
	2007			2006			2006			2005			2004			2003			2002
Pre-tax income1	$	970,918		$	243,142		$	512,065		$	372,466		$	195,405		$	250,649		$	223,948
Add:  Fixed charges		52,514			12,914			22,393			15,236			5,590			5,211			4,726
Distributions from equity method investees		15,070			820			1,939			2,620			2,276			3,144			1,008
Less:  Income from equity method investees		(55,783	)		(2,413	)		(5,659	)		(11,526	)		(2,549	)		(4,912	)		(2,098	)
Pre-tax income before fixed charges	$	982,719		$	254,463		$	530,738		$	378,796		$	200,722		$	254,092		$	227,584
Fixed charges:
Interest expense	$	31,023		$	6,021		$	9,916		$	7,924		$	835		$	720		$	683
Interest expense on uncertain tax positions2		2,495			—			—			—			—			—			—
Portion of rent representative of interest		18,996			6,893			12,477			7,312			4,755			4,491			4,043
Total fixed charges	$	52,514		$	12,914		$	22,393		$	15,236		$	5,590		$	5,211		$	4,726
Ratio of earnings to fixed charges		18.71			19.70			23.70			24.86			35.91			48.76			48.15

¹ Pre-tax income has been reduced by non-controlling interest.

² Interest expense has been recorded within Income tax expense on the condensed consolidated statements of income.