NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

JOHNSON INVESTMENT COUNSEL INC's Holding History (CIK: 0000821197)

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

Q3 2018

Shares 5,542 Value ($000) $566 Avg Close $85.59 Range $81.23 - $92.33

Q2 2018

Shares 5,819 Value ($000) $598 Avg Close $84.33 Range $79.47 - $87.26

Q1 2018

Shares 5,281 Value ($000) $544 Avg Close $82.97 Range $74.79 - $88.15

Q4 2017

Shares 5,272 Value ($000) $526 Avg Close $75.28 Range $71.84 - $80.39

Q3 2017

Shares 3,769 Value ($000) $346 Avg Close $71.05 Range $67.61 - $77.97

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	5,542	$566	$85.59	$81.23 - $92.33
Q2 2018	5,819	$598	$84.33	$79.47 - $87.26
Q1 2018	5,281	$544	$82.97	$74.79 - $88.15
Q4 2017	5,272	$526	$75.28	$71.84 - $80.39
Q3 2017	3,769	$346	$71.05	$67.61 - $77.97