Units Outstanding

3 Months Ended

Mar. 31, 2013

Units Outstanding [Abstract]

Units Outstanding

13.   Units Outstanding

Changes in units outstanding during the three-month period ended March 31, 2013 were as follows:

Outstanding as of December 31, 2012	277,600,901
Options exercised	392,528
Units issued	—
Units retired	(300	)
Units forfeited	—
Outstanding as of March 31, 2013	277,993,129

During March 2013, we purchased 300 AllianceBernstein Units in private transactions and retired them.