Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
6/29/2018	$41.78	$41.95	$41.86	11,771	$77,613,578
6/28/2018	$41.31	$41.29	$41.44	34,041	$76,384,240
6/27/2018	$41.48	$41.73	$41.68	37,518	$77,206,823
6/26/2018	$41.89	$41.87	$42.10	16,344	$77,451,813
6/25/2018	$42.03	$42.01	$42.07	31,278	$77,709,429
6/22/2018	$42.56	$42.66	$42.76	4,222	$78,928,616
6/21/2018	$42.54	$42.20	$42.35	253,080	$78,061,094
6/20/2018	$42.85	$43.30	$43.60	11,587	$80,110,031
6/19/2018	$43.60	$43.26	$43.61	12,429	$80,040,201
6/18/2018	$44.11	$43.83	$43.93	12,962	$81,091,511
6/15/2018	$44.41	$44.10	$44.30	8,334	$81,579,412
6/14/2018	$44.53	$44.45	$44.57	21,771	$82,223,366
6/13/2018	$44.80	$44.86	$44.86	9,255	$82,989,706
6/12/2018	$44.57	$44.51	$44.52	9,190	$82,352,398
6/11/2018	$44.93	$44.68	$44.78	7,724	$82,661,583
6/8/2018	$44.50	$44.35	$44.51	16,039	$82,048,424
6/7/2018	$44.49	$44.72	$44.50	45,661	$82,726,237
6/6/2018	$45.01	$44.74	$44.98	17,430	$82,773,664
6/5/2018	$44.40	$44.35	$44.41	22,355	$82,049,879
6/4/2018	$44.37	$44.32	$44.37	3,372	$81,986,482
6/1/2018	$43.96	$44.00	$44.05	22,310	$81,395,454