Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
6/28/2019	$52.17	$52.16	$52.13	194,189	$1,165,815,532
6/27/2019	$51.57	$51.55	$51.54	99,749	$1,152,059,063
6/26/2019	$51.14	$51.16	$51.17	66,306	$1,143,512,612
6/25/2019	$51.00	$50.97	$50.97	177,560	$1,139,226,737
6/24/2019	$51.35	$51.32	$51.31	49,659	$1,147,075,293
6/21/2019	$51.54	$51.57	$51.56	76,498	$1,152,605,345
6/20/2019	$51.72	$51.69	$51.68	78,445	$1,155,162,236
6/19/2019	$51.19	$51.18	$51.17	47,398	$1,143,791,276
6/18/2019	$51.24	$51.20	$51.21	76,578	$1,144,375,839
6/17/2019	$50.57	$50.54	$50.54	38,362	$1,129,598,608
6/14/2019	$50.75	$50.71	$50.71	40,169	$1,133,413,582
6/13/2019	$51.05	$51.06	$51.07	51,686	$1,141,200,775
6/12/2019	$50.57	$50.54	$50.56	43,417	$1,129,667,586
6/11/2019	$50.85	$50.83	$50.84	46,422	$1,133,597,836
6/10/2019	$50.78	$50.75	$50.74	44,853	$1,131,636,215
6/7/2019	$50.50	$50.49	$50.49	87,029	$1,125,920,094
6/6/2019	$50.35	$50.31	$50.32	47,753	$1,121,944,039
6/5/2019	$50.12	$50.12	$50.12	107,707	$1,117,694,408
6/4/2019	$50.09	$50.12	$50.12	95,172	$1,117,777,578
6/3/2019	$48.81	$48.79	$48.77	63,110	$1,088,091,191