NORTHERN DYNASTY MINERALS LT

Ticker: NAK CUSIP: 66510M204 Class: Equities

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q4 2017

Shares 456,023 Value ($000) $807 Avg Close $1.98 Range $1.63 - $2.34

Q3 2017

Shares 469,761 Value ($000) $846 Avg Close $1.58 Range $1.21 - $1.99

Q2 2017

Shares 504,955 Value ($000) $702 Avg Close $1.60 Range $1.21 - $2.42

Q1 2017

Shares 1,024,013 Value ($000) $1,464 Avg Close $2.05 Range $1.06 - $3.45

Q4 2016

Shares 1,175,972 Value ($000) $2,434 Avg Close $1.16 Range $0.54 - $2.50

Q3 2016

Shares 1,321,467 Value ($000) $938 Avg Close $0.68 Range $0.30 - $1.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	456,023	$807	$1.98	$1.63 - $2.34
Q3 2017	469,761	$846	$1.58	$1.21 - $1.99
Q2 2017	504,955	$702	$1.60	$1.21 - $2.42
Q1 2017	1,024,013	$1,464	$2.05	$1.06 - $3.45
Q4 2016	1,175,972	$2,434	$1.16	$0.54 - $2.50
Q3 2016	1,321,467	$938	$0.68	$0.30 - $1.16