AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

NORTHSTAR ASSET MANAGEMENT LLC's Holding History (CIK: 0001132708)

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

Q2 2016

Shares 6,440 Value ($000) $906 Avg Close $158.47 Range $126.98 - $174.12

Q1 2016

Shares 6,490 Value ($000) $1,054 Avg Close $135.06 Range $112.27 - $159.84

Q4 2015

Shares 4,820 Value ($000) $770 Avg Close $166.43 Range $137.16 - $184.66

Q3 2015

Shares 7,120 Value ($000) $1,218 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 7,160 Value ($000) $1,565 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 7,210 Value ($000) $1,549 Avg Close $204.27 Range $185.26 - $214.40

Q4 2014

Shares 6,710 Value ($000) $1,424 Avg Close $192.32 Range $168.87 - $209.59

Q3 2014

Shares 7,610 Value ($000) $1,525 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 5,900 Value ($000) $1,212 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 3,500 Value ($000) $700 Avg Close $190.16 Range $175.09 - $212.40

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	6,440	$906	$158.47	$126.98 - $174.12
Q1 2016	6,490	$1,054	$135.06	$112.27 - $159.84
Q4 2015	4,820	$770	$166.43	$137.16 - $184.66
Q3 2015	7,120	$1,218	$190.37	$159.30 - $214.73
Q2 2015	7,160	$1,565	$215.27	$205.22 - $223.28
Q1 2015	7,210	$1,549	$204.27	$185.26 - $214.40
Q4 2014	6,710	$1,424	$192.32	$168.87 - $209.59
Q3 2014	7,610	$1,525	$197.54	$186.21 - $207.58
Q2 2014	5,900	$1,212	$187.17	$171.21 - $199.62
Q1 2014	3,500	$700	$190.16	$175.09 - $212.40