NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

Findlay Park Partners LLP's Holding History (CIK: 0001351950)

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

Q4 2017

Shares 1,958,467 Value ($000) $195,631 Avg Close $75.28 Range $71.84 - $80.39

Q3 2017

Shares 2,474,671 Value ($000) $227,497 Avg Close $71.05 Range $67.61 - $77.97

Q2 2017

Shares 2,742,643 Value ($000) $266,612 Avg Close $70.42 Range $66.40 - $77.52

Q1 2017

Shares 2,742,643 Value ($000) $237,458 Avg Close $67.79 Range $63.77 - $70.95

Q4 2016

Shares 1,500,000 Value ($000) $133,575 Avg Close $61.69 Range $52.36 - $70.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	1,958,467	$195,631	$75.28	$71.84 - $80.39
Q3 2017	2,474,671	$227,497	$71.05	$67.61 - $77.97
Q2 2017	2,742,643	$266,612	$70.42	$66.40 - $77.52
Q1 2017	2,742,643	$237,458	$67.79	$63.77 - $70.95
Q4 2016	1,500,000	$133,575	$61.69	$52.36 - $70.81