Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
12/31/2018	$37.68	$37.57	$37.66	2,627	$139,022,007
12/28/2018	$37.49	$37.53	$37.55	8,181	$138,867,192
12/27/2018	$37.28	$36.98	$37.34	44,915	$136,837,900
12/26/2018	$37.48	$37.62	$37.30	10,747	$139,187,336
12/24/2018	$36.33	$36.82	$36.40	2,182	$136,240,767
12/21/2018	$37.07	$37.22	$37.09	9,703	$133,983,070
12/20/2018	$37.38	$37.50	$37.44	32,173	$144,386,890
12/19/2018	$37.78	$37.95	$37.88	21,615	$146,116,983
12/18/2018	$38.06	$38.03	$38.00	3,890	$146,433,526
12/17/2018	$37.79	$37.90	$37.95	48,899	$147,810,618
12/14/2018	$38.55	$38.53	$38.51	2,577	$150,286,176
12/13/2018	$39.05	$39.15	$39.05	4,887	$152,668,943
12/12/2018	$39.06	$39.17	$39.09	7,999	$154,739,743
12/11/2018	$38.08	$38.15	$38.21	11,338	$150,705,351
12/10/2018	$38.11	$38.23	$38.13	14,055	$152,916,990
12/7/2018	$38.43	$38.54	$38.47	16,985	$154,163,238
12/6/2018	$38.99	$39.18	$38.85	6,804	$156,721,458
12/4/2018	$39.48	$39.52	$39.52	4,189	$162,024,205
12/3/2018	$41.05	$41.09	$41.03	3,095	$168,480,986