NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q2 2016

Shares 4,000 Value ($000) $265 Avg Close $53.49 Range $47.26 - $57.41

Q1 2016

Shares 4,000 Value ($000) $261 Avg Close $47.88 Range $41.46 - $54.24

Q4 2015

Shares 4,000 Value ($000) $288 Avg Close $54.64 Range $49.15 - $57.77

Q3 2015

Shares 4,000 Value ($000) $273 Avg Close $55.52 Range $49.19 - $59.82

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	4,000	$265	$53.49	$47.26 - $57.41
Q1 2016	4,000	$261	$47.88	$41.46 - $54.24
Q4 2015	4,000	$288	$54.64	$49.15 - $57.77
Q3 2015	4,000	$273	$55.52	$49.19 - $59.82