TRIMAS CORP

Ticker: TRS CUSIP: 896215209 Class: Common Stock

BW Gestao de Investimentos Ltda.'s Holding History (CIK: 0001568280)

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

Q1 2015

Shares 7,633 Value ($000) $235 Avg Close $23.60 Range $21.19 - $25.38

Q4 2014

Shares 10,540 Value ($000) $330 Avg Close $23.60 Range $18.87 - $26.48

Q3 2014

Shares 13,410 Value ($000) $326 Avg Close $25.91 Range $19.38 - $31.20

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	7,633	$235	$23.60	$21.19 - $25.38
Q4 2014	10,540	$330	$23.60	$18.87 - $26.48
Q3 2014	13,410	$326	$25.91	$19.38 - $31.20