AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

AMG National Trust Bank's Holding History (CIK: 0001388829)

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

Q2 2018

Shares 1,500 Value ($000) $223 Avg Close $160.74 Range $145.08 - $182.71

Q1 2018

Shares 1,500 Value ($000) $284 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 1,500 Value ($000) $308 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 1,500 Value ($000) $285 Avg Close $172.79 Range $161.15 - $186.54

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	1,500	$223	$160.74	$145.08 - $182.71
Q1 2018	1,500	$284	$189.64	$169.45 - $211.08
Q4 2017	1,500	$308	$188.42	$173.99 - $202.01
Q3 2017	1,500	$285	$172.79	$161.15 - $186.54