LUNDIN MINING CORP

Ticker: LUNMF CUSIP: 550372106 Class: COM

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

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

Q2 2017

Shares 8,216,971 Value ($000) $46,631 Avg Close $4.32 Range $3.80 - $4.73

Q1 2017

Shares 8,146,720 Value ($000) $45,753 Avg Close $4.68 Range $3.77 - $5.36

Q4 2016

Shares 3,066,356 Value ($000) $14,634 Avg Close $3.56 Range $2.95 - $4.25

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	8,216,971	$46,631	$4.32	$3.80 - $4.73
Q1 2017	8,146,720	$45,753	$4.68	$3.77 - $5.36
Q4 2016	3,066,356	$14,634	$3.56	$2.95 - $4.25