NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

PICTON MAHONEY ASSET MANAGEMENT's Holding History (CIK: 0001539041)

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

Q1 2019

Shares 4,600 Value ($000) $416 Avg Close $72.96 Range $66.04 - $78.80

Q4 2018

Shares 53,900 Value ($000) $4,505 Avg Close $75.32 Range $61.37 - $86.09

Q3 2018

Shares 83,900 Value ($000) $8,569 Avg Close $85.59 Range $81.23 - $92.33

Q2 2018

Shares 85,000 Value ($000) $8,747 Avg Close $84.33 Range $79.47 - $87.26

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	4,600	$416	$72.96	$66.04 - $78.80
Q4 2018	53,900	$4,505	$75.32	$61.37 - $86.09
Q3 2018	83,900	$8,569	$85.59	$81.23 - $92.33
Q2 2018	85,000	$8,747	$84.33	$79.47 - $87.26