TRIMAS CORP

Ticker: TRS CUSIP: 896215209 Class: Common Stock

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q1 2015

Shares 96,552 Value ($000) $2,973 Avg Close $23.60 Range $21.19 - $25.38

Q4 2014

Shares 150,773 Value ($000) $4,718 Avg Close $23.60 Range $18.87 - $26.48

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	96,552	$2,973	$23.60	$21.19 - $25.38
Q4 2014	150,773	$4,718	$23.60	$18.87 - $26.48