Historical Monthly Performance Report
iShares Core Total U.S. Bond Market ETF (AGG)
Inception Date,9/22/2003
Report as of,5/23/2013

Ticker,Month-end,Monthly Return
AGG,4/30/2013,1.03
AGG,3/31/2013,0.04
AGG,2/28/2013,0.50
AGG,1/31/2013,-0.64
AGG,12/31/2012,-0.16
AGG,11/30/2012,0.15
AGG,10/31/2012,0.20
AGG,9/30/2012,0.10
AGG,8/31/2012,0.04
AGG,7/31/2012,1.38
AGG,6/30/2012,0.01
AGG,5/31/2012,0.91
AGG,4/30/2012,1.11
AGG,3/31/2012,-0.60
AGG,2/29/2012,-0.05
AGG,1/31/2012,0.90
AGG,12/31/2011,1.05
AGG,11/30/2011,-0.08
AGG,10/31/2011,0.12
AGG,9/30/2011,0.73
AGG,8/31/2011,1.46
AGG,7/31/2011,1.56
AGG,6/30/2011,-0.34
AGG,5/31/2011,1.30
AGG,4/30/2011,1.22
AGG,3/31/2011,0.02
AGG,2/28/2011,0.23
AGG,1/31/2011,0.07
AGG,12/31/2010,-1.07
AGG,11/30/2010,-0.56
AGG,10/31/2010,0.31
AGG,9/30/2010,0.06
AGG,8/31/2010,1.21
AGG,7/31/2010,1.06
AGG,6/30/2010,1.65
AGG,5/31/2010,0.83
AGG,4/30/2010,1.05
AGG,3/31/2010,-0.12
AGG,2/28/2010,0.33
AGG,1/31/2010,1.43
AGG,12/31/2009,-1.60
AGG,11/30/2009,1.37
AGG,10/31/2009,0.39
AGG,9/30/2009,1.10
AGG,8/31/2009,0.99
AGG,7/31/2009,1.47
AGG,6/30/2009,0.61
AGG,5/31/2009,0.67
AGG,4/30/2009,0.36
AGG,3/31/2009,1.21
AGG,2/28/2009,-0.38
AGG,1/31/2009,-1.12
AGG,12/31/2008,3.45
AGG,11/30/2008,3.96
AGG,10/31/2008,-2.18
AGG,9/30/2008,-1.47
AGG,8/31/2008,0.97
AGG,7/31/2008,-0.09
AGG,6/30/2008,0.04
AGG,5/31/2008,-0.87
AGG,4/30/2008,-0.25
AGG,3/31/2008,0.16
AGG,2/29/2008,0.37
AGG,1/31/2008,1.81
AGG,12/31/2007,0.22
AGG,11/30/2007,1.79
AGG,10/31/2007,0.96
AGG,9/30/2007,0.75
AGG,8/31/2007,1.18
AGG,7/31/2007,0.78
AGG,6/30/2007,-0.36
AGG,5/31/2007,-0.78
AGG,4/30/2007,0.51
AGG,3/31/2007,-0.08
AGG,2/28/2007,1.50
AGG,1/31/2007,-0.04
AGG,12/31/2006,-0.56
AGG,11/30/2006,1.13
AGG,10/31/2006,0.67
AGG,9/30/2006,0.89
AGG,8/31/2006,1.48
AGG,7/31/2006,1.32
AGG,6/30/2006,0.20
AGG,5/31/2006,-0.13
AGG,4/30/2006,-0.23
AGG,3/31/2006,-1.01
AGG,2/28/2006,0.32
AGG,1/31/2006,0.00
AGG,12/31/2005,0.89
AGG,11/30/2005,0.43
AGG,10/31/2005,-0.81
AGG,9/30/2005,-1.07
AGG,8/31/2005,1.26
AGG,7/31/2005,-0.92
AGG,6/30/2005,0.57
AGG,5/31/2005,1.10
AGG,4/30/2005,1.32
AGG,3/31/2005,-0.57
AGG,2/28/2005,-0.61
AGG,1/31/2005,0.59
AGG,12/31/2004,0.89
AGG,11/30/2004,-0.85
AGG,10/31/2004,0.83
AGG,9/30/2004,0.26
AGG,8/31/2004,1.92
AGG,7/31/2004,1.02
AGG,6/30/2004,0.51
AGG,5/31/2004,-0.50
AGG,4/30/2004,-2.67
AGG,3/31/2004,0.75
AGG,2/29/2004,1.05
AGG,1/31/2004,0.77
AGG,12/31/2003,1.03
AGG,11/30/2003,0.22
AGG,10/31/2003,-0.96
AGG,9/30/2003,--