NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

CENTRAL BANK & TRUST CO's Holding History (CIK: 0001175954)

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

Q1 2017

Shares 64 Value ($000) $6 Avg Close $67.79 Range $63.77 - $70.95

Q4 2016

Shares 64 Value ($000) $6 Avg Close $61.69 Range $52.36 - $70.81

Q3 2016

Shares 64 Value ($000) $4 Avg Close $52.45 Range $47.67 - $55.52

Q3 2015

Shares 152 Value ($000) $10 Avg Close $55.52 Range $49.19 - $59.82

Q2 2015

Shares 122 Value ($000) $9 Avg Close $56.07 Range $51.74 - $59.54

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	64	$6	$67.79	$63.77 - $70.95
Q4 2016	64	$6	$61.69	$52.36 - $70.81
Q3 2016	64	$4	$52.45	$47.67 - $55.52
Q3 2015	152	$10	$55.52	$49.19 - $59.82
Q2 2015	122	$9	$56.07	$51.74 - $59.54