Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
12/31/2014	$33.39	$33.21	$33.21	2,472	$51,647,031
12/30/2014	$33.43	$33.37	$33.36	2,830	$51,887,297
12/29/2014	$33.49	$33.44	$33.45	42,724	$51,994,924
12/26/2014	$33.31	$33.28	$33.30	11,098	$51,754,917
12/24/2014	$33.06	$33.04	$33.02	1,585	$51,381,855
12/23/2014	$33.03	$32.95	$32.96	3,683	$51,239,528
12/22/2014	$32.80	$32.84	$32.81	1,256	$51,060,958
12/19/2014	$32.67	$32.63	$32.56	19,372	$50,744,723
12/18/2014	$32.63	$32.62	$32.57	12,360	$50,729,373
12/17/2014	$32.09	$32.18	$32.16	12,415	$50,037,339
12/16/2014	$31.36	$31.31	$31.31	3,220	$48,682,479
12/15/2014	$31.39	$31.28	$31.31	3,436	$48,639,823
12/12/2014	$31.80	$31.54	$31.55	1,573	$49,049,899
12/11/2014	$32.14	$31.95	$31.95	459	$49,678,326
12/10/2014	$31.77	$31.76	$31.79	1,717	$49,379,042
12/9/2014	$32.50	$32.59	$32.60	2,519	$50,680,534
12/8/2014	$32.07	$31.81	$31.81	5,374	$49,462,600
12/5/2014	$32.31	$32.27	$32.29	9,091	$50,173,473
12/4/2014	$31.94	$31.90	$31.93	4,884	$49,609,741
12/3/2014	$31.98	$31.98	$32.02	7,154	$49,725,692
12/2/2014	$31.54	$31.59	$31.57	2,482	$49,127,729
12/1/2014	$31.21	$31.18	$31.18	6,897	$48,483,363