Closing Market Price and NAV History

Date	Market Price1	Net Asset Value2	Bid/Ask Midpoint	Volume1	Net Assets2
1/31/2017	$42.75	$42.76	$42.71	13,995	$122,068,290
1/30/2017	$42.70	$42.74	$42.74	15,901	$122,026,551
1/27/2017	$43.57	$43.58	$43.61	9,769	$124,417,905
1/26/2017	$43.64	$43.68	$43.71	12,672	$124,700,290
1/25/2017	$43.78	$43.87	$43.85	17,981	$125,252,432
1/24/2017	$43.33	$43.40	$43.31	32,669	$123,918,418
1/23/2017	$42.67	$42.64	$42.65	19,392	$121,738,568
1/20/2017	$42.70	$42.69	$42.68	18,504	$121,882,469
1/19/2017	$42.49	$42.45	$42.48	21,123	$121,203,933
1/18/2017	$42.98	$42.94	$42.93	35,597	$122,603,204
1/17/2017	$42.68	$42.64	$42.72	33,667	$119,598,601
1/13/2017	$43.47	$43.48	$43.55	22,382	$121,965,947
1/12/2017	$43.22	$43.09	$43.18	17,194	$120,879,437
1/11/2017	$43.79	$43.83	$43.87	21,629	$122,934,117
1/10/2017	$43.60	$43.60	$43.62	21,713	$122,284,804
1/9/2017	$43.15	$43.08	$43.14	29,847	$116,522,678
1/6/2017	$43.62	$43.65	$43.68	30,367	$118,075,465
1/5/2017	$43.92	$43.91	$43.91	29,199	$118,779,033
1/4/2017	$44.74	$44.76	$44.78	57,881	$118,841,685
1/3/2017	$44.32	$44.28	$44.31	94,132	$117,556,140