Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
6/29/2018	$40.47	$40.32	$40.35	14,926	$12,096,172
6/28/2018	$40.04	$39.68	$39.92	12,174	$11,903,685
6/27/2018	$40.36	$40.23	$40.03	842	$12,067,962
6/26/2018	$40.36	$40.20	$40.29	2,452	$12,058,807
6/25/2018	$40.53	$40.42	$40.40	18,557	$12,126,622
6/22/2018	$41.14	$41.19	$41.07	1,987	$12,355,870
6/21/2018	$40.65	$40.62	$40.72	1,785	$12,187,183
6/20/2018	$40.85	$41.40	$41.48	2,195	$12,420,466
6/19/2018	$41.42	$41.16	$41.33	12,838	$12,347,679
6/18/2018	$41.85	$41.89	$42.01	1,539	$12,567,568
6/15/2018	$42.29	$42.13	$42.25	2,558	$12,638,520
6/14/2018	$43.17	$43.01	$43.08	2,090	$12,902,636
6/13/2018	$43.18	$43.16	$42.94	3,315	$12,948,121
6/12/2018	$43.09	$43.06	$43.01	401	$12,917,449
6/11/2018	$43.39	$43.34	$43.39	3,529	$13,003,078
6/8/2018	$42.91	$42.83	$42.89	536	$12,847,800
6/7/2018	$42.96	$43.06	$42.92	5,779	$12,919,480
6/6/2018	$43.00	$43.03	$43.20	4,412	$12,910,028
6/5/2018	$42.48	$42.50	$42.46	703	$12,748,766
6/4/2018	$42.41	$42.35	$42.22	2,955	$12,706,084
6/1/2018	$42.21	$42.28	$42.24	1,597	$12,684,981