Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
7/31/2020	$165.74	$165.83	$165.83	105,542	$2,172,385,342
7/30/2020	$168.87	$168.92	$168.95	90,919	$2,221,265,947
7/29/2020	$168.35	$168.38	$168.44	86,713	$2,214,260,508
7/28/2020	$170.62	$170.48	$170.57	70,425	$2,233,232,828
7/27/2020	$173.26	$173.34	$173.31	59,671	$2,270,712,912
7/24/2020	$169.21	$169.14	$169.16	50,416	$2,215,748,697
7/23/2020	$172.39	$172.29	$172.31	63,311	$2,248,405,796
7/22/2020	$174.68	$174.65	$174.63	50,347	$2,279,192,120
7/21/2020	$175.42	$175.41	$175.40	111,585	$2,289,144,530
7/20/2020	$180.07	$180.10	$180.02	51,269	$2,341,239,240
7/17/2020	$177.01	$177.10	$177.08	33,825	$2,302,285,089
7/16/2020	$175.06	$175.07	$175.07	43,998	$2,275,910,441
7/15/2020	$176.06	$176.00	$176.03	90,484	$2,288,044,697
7/14/2020	$172.52	$172.53	$172.52	206,642	$2,225,693,790
7/13/2020	$168.71	$168.76	$168.82	84,451	$2,177,015,826
7/10/2020	$173.25	$173.15	$173.15	46,542	$2,233,694,991
7/9/2020	$174.27	$174.35	$174.36	116,902	$2,249,097,383
7/8/2020	$174.53	$174.60	$174.61	77,668	$2,252,303,156
7/7/2020	$172.98	$173.02	$173.00	51,905	$2,223,274,299
7/6/2020	$171.91	$171.89	$171.89	75,606	$2,208,795,191
7/2/2020	$170.54	$170.69	$170.62	68,976	$2,193,318,314
7/1/2020	$169.72	$169.67	$169.65	112,451	$2,180,210,629