Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
9/28/2018	$41.70	$41.94	$41.80	9,434	$94,367,830
9/27/2018	$42.28	$42.51	$42.38	25,137	$95,645,289
9/26/2018	$43.11	$43.00	$42.87	20,638	$96,739,051
9/25/2018	$43.09	$43.09	$43.00	13,425	$99,116,075
9/24/2018	$42.86	$42.98	$42.90	182,954	$98,852,621
9/21/2018	$43.22	$43.14	$43.11	7,502	$99,222,742
9/20/2018	$43.18	$43.19	$43.26	14,682	$99,332,029
9/19/2018	$42.69	$42.68	$42.71	16,840	$98,154,654
9/18/2018	$42.74	$42.62	$42.64	7,761	$98,016,076
9/17/2018	$42.28	$42.43	$42.26	8,293	$97,585,767
9/14/2018	$41.96	$42.15	$42.12	6,218	$96,938,403
9/13/2018	$42.32	$42.29	$42.27	4,826	$97,264,323
9/12/2018	$41.95	$42.21	$42.04	113,301	$101,305,275
9/11/2018	$41.71	$41.89	$41.84	254,300	$100,547,654
9/10/2018	$41.98	$41.88	$41.98	5,533	$100,503,872
9/7/2018	$41.54	$41.44	$41.40	84,281	$99,456,033
9/6/2018	$41.90	$41.61	$41.77	11,545	$95,705,664
9/5/2018	$41.87	$41.76	$41.85	1,594	$96,053,967
9/4/2018	$42.09	$42.01	$42.12	7,335	$96,623,511