NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q1 2019

Shares 112,868 Value ($000) $10,204 Avg Close $72.96 Range $66.04 - $78.80

Q4 2018

Shares 118,517 Value ($000) $9,907 Avg Close $75.32 Range $61.37 - $86.09

Q3 2018

Shares 13,100 Value ($000) $1,338 Avg Close $85.59 Range $81.23 - $92.33

Q2 2018

Shares 15,330 Value ($000) $1,577 Avg Close $84.33 Range $79.47 - $87.26

Q4 2017

Shares 71,649 Value ($000) $7,157 Avg Close $75.28 Range $71.84 - $80.39

Q3 2017

Shares 21,000 Value ($000) $1,931 Avg Close $71.05 Range $67.61 - $77.97

Q3 2016

Shares 11,800 Value ($000) $802 Avg Close $52.45 Range $47.67 - $55.52

Q4 2013

Shares 7,731 Value ($000) $478 Avg Close $41.82 Range $38.19 - $45.43

Q3 2013

Shares 21,700 Value ($000) $1,180 Avg Close $41.67 Range $39.30 - $44.95

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	112,868	$10,204	$72.96	$66.04 - $78.80
Q4 2018	118,517	$9,907	$75.32	$61.37 - $86.09
Q3 2018	13,100	$1,338	$85.59	$81.23 - $92.33
Q2 2018	15,330	$1,577	$84.33	$79.47 - $87.26
Q4 2017	71,649	$7,157	$75.28	$71.84 - $80.39
Q3 2017	21,000	$1,931	$71.05	$67.61 - $77.97
Q3 2016	11,800	$802	$52.45	$47.67 - $55.52
Q4 2013	7,731	$478	$41.82	$38.19 - $45.43
Q3 2013	21,700	$1,180	$41.67	$39.30 - $44.95