Affiliated Managers (MGR) 8-K Other Events

Exhibit 12.1

	Ratio of Earnings to Fixed Charges
	Year Ended December 31,
	2008		2007			2006			2005			2004
Pretax income from continuing operations	$	143,527	$	560,235		$	446,363		$	326,908		$	237,659
Less: (Income) loss from equity method investments	97,142		(58,197		)	(38,318		)	(26,971		)	(1,265		)
Add: Fixed charges	88,746		91,343			72,736			52,291			44,252
Distributed equity method income	80,487		53,612			46,033			16,565			—
Earnings available for fixed charges	$	409,902	$	646,993		$	526,814		$	368,793		$	280,646
Fixed charges:
Interest Expense	$	77,233	$	81,535		$	63,601		$	41,599		$	35,226
FIN 48 Interest Expense	346		116			—			—			—
Amortization of debt issuance costs	4,192		2,931			2,610			2,834			3,457
Estimated portion of rental expense equivalent to interest	6,975		6,761			6,525			7,858			5,569
Total fixed charges	$	88,746	$	91,343		$	72,736		$	52,291		$	44,252
Ratio of earnings to fixed charges	4.6x		7.1x			7.2x			7.1x			6.3x