WHEATON PRECIOUS METALS CORP

Ticker: WPM CUSIP: 962879102 Class: Common Stock

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q2 2018

Shares 128,818 Value ($000) $2,842 Avg Close $19.55 Range $18.23 - $20.35

Q1 2018

Shares 97,691 Value ($000) $1,990 Avg Close $18.55 Range $16.86 - $20.52

Q4 2017

Shares 62,884 Value ($000) $1,392 Avg Close $18.78 Range $17.12 - $20.14

Q3 2017

Shares 62,740 Value ($000) $1,198 Avg Close $17.65 Range $16.39 - $19.07

Q2 2017

Shares 451,357 Value ($000) $8,977 Avg Close $18.25 Range $16.72 - $19.87

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	128,818	$2,842	$19.55	$18.23 - $20.35
Q1 2018	97,691	$1,990	$18.55	$16.86 - $20.52
Q4 2017	62,884	$1,392	$18.78	$17.12 - $20.14
Q3 2017	62,740	$1,198	$17.65	$16.39 - $19.07
Q2 2017	451,357	$8,977	$18.25	$16.72 - $19.87