Basic net (loss) income per unit is derived by reducing net (loss) income for the 1% general partnership interest and dividing the remaining 99% by the basic weighted average number of units outstanding for each period. Diluted net (loss) income per unit is derived by reducing net (loss) income for the 1% general partnership interest and dividing the remaining 99% by the total of the basic weighted average number of units outstanding and the dilutive unit equivalents resulting from outstanding compensatory options to buy Holding Units as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2012			2011		2012		2011
	(in thousands, except per unit amounts)

Net (loss) income attributable to AllianceBernstein Unitholders	$	(44,246	)	$	90,981	$	117,217	$	341,592

Weighted average units outstanding - basic		277,612			278,010		277,759		278,035
Dilutive effect of compensatory options to buy Holding Units		—			—		—		316
Weighted average units outstanding – diluted		277,612			278,010		277,759		278,351

Basic net (loss) income per AllianceBernstein Unit	$	(0.16	)	$	0.32	$	0.42	$	1.22
Diluted net (loss) income per AllianceBernstein Unit	$	(0.16	)	$	0.32	$	0.42	$	1.21