NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

1834 INVESTMENT ADVISORS CO's Holding History (CIK: 0001138486)

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

Q4 2018

Shares 220 Value ($000) $18 Avg Close $75.32 Range $61.37 - $86.09

Q3 2018

Shares 220 Value ($000) $22 Avg Close $85.59 Range $81.23 - $92.33

Q2 2018

Shares 220 Value ($000) $23 Avg Close $84.33 Range $79.47 - $87.26

Q1 2018

Shares 220 Value ($000) $23 Avg Close $82.97 Range $74.79 - $88.15

Q4 2017

Shares 220 Value ($000) $22 Avg Close $75.28 Range $71.84 - $80.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	220	$18	$75.32	$61.37 - $86.09
Q3 2018	220	$22	$85.59	$81.23 - $92.33
Q2 2018	220	$23	$84.33	$79.47 - $87.26
Q1 2018	220	$23	$82.97	$74.79 - $88.15
Q4 2017	220	$22	$75.28	$71.84 - $80.39