NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

PITTENGER & ANDERSON INC's Holding History (CIK: 0001034886)

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

Q4 2015

Shares 1,095 Value ($000) $79 Avg Close $54.64 Range $49.15 - $57.77

Q3 2015

Shares 1,195 Value ($000) $81 Avg Close $55.52 Range $49.19 - $59.82

Q2 2015

Shares 750 Value ($000) $57 Avg Close $56.07 Range $51.74 - $59.54

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	1,095	$79	$54.64	$49.15 - $57.77
Q3 2015	1,195	$81	$55.52	$49.19 - $59.82
Q2 2015	750	$57	$56.07	$51.74 - $59.54