Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
10/31/2014	$22.67	$22.68	$22.68	517,620	$624,955,127
10/30/2014	$22.45	$22.44	$22.44	417,732	$618,186,805
10/29/2014	$22.35	$22.35	$22.35	220,531	$615,653,604
10/28/2014	$22.31	$22.31	$22.30	284,683	$614,693,245
10/27/2014	$22.05	$22.06	$22.06	227,032	$607,739,175
10/24/2014	$22.00	$21.99	$21.99	466,337	$605,954,110
10/23/2014	$21.86	$21.87	$21.87	371,592	$623,313,747
10/22/2014	$21.73	$21.75	$21.75	849,699	$619,790,293
10/21/2014	$21.84	$21.85	$21.84	380,496	$622,762,680
10/20/2014	$21.38	$21.40	$21.39	17,541,293	$609,877,686
10/17/2014	$21.29	$21.29	$21.28	204,341	$952,510,728
10/16/2014	$21.03	$21.04	$21.04	359,347	$941,351,444
10/15/2014	$20.98	$20.98	$21.00	868,746	$938,640,433
10/14/2014	$21.20	$21.21	$21.21	508,247	$949,306,560
10/13/2014	$21.07	$21.08	$21.08	2,763,702	$941,055,366
10/10/2014	$21.28	$21.29	$21.29	312,630	$904,649,986
10/9/2014	$21.50	$21.48	$21.49	232,344	$912,859,374
10/8/2014	$21.90	$21.90	$21.89	196,539	$930,564,067
10/7/2014	$21.60	$21.59	$21.59	170,552	$913,048,194
10/6/2014	$21.90	$21.90	$21.90	319,489	$926,171,423
10/3/2014	$21.97	$21.96	$21.96	256,169	$928,863,304
10/2/2014	$21.72	$21.70	$21.70	292,543	$917,901,087
10/1/2014	$21.66	$21.64	$21.65	712,395	$915,405,113