TRIMAS CORP

Ticker: TRS CUSIP: 896215209 Class: Common Stock

OAK RIDGE INVESTMENTS LLC's Holding History (CIK: 0001054554)

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

Q2 2015

Shares 1,954,127 Value ($000) $57,843 Avg Close $23.82 Range $22.10 - $25.93

Q1 2015

Shares 1,873,844 Value ($000) $57,696 Avg Close $23.60 Range $21.19 - $25.38

Q4 2014

Shares 738,306 Value ($000) $23,101 Avg Close $23.60 Range $18.87 - $26.48

Q3 2014

Shares 756,413 Value ($000) $18,404 Avg Close $25.91 Range $19.38 - $31.20

Q2 2014

Shares 763,755 Value ($000) $29,117 Avg Close $27.85 Range $24.54 - $30.69

Q1 2014

Shares 758,359 Value ($000) $25,178 Avg Close $28.23 Range $24.49 - $31.81

Q4 2013

Shares 750,929 Value ($000) $29,954 Avg Close $30.41 Range $28.07 - $33.54

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	1,954,127	$57,843	$23.82	$22.10 - $25.93
Q1 2015	1,873,844	$57,696	$23.60	$21.19 - $25.38
Q4 2014	738,306	$23,101	$23.60	$18.87 - $26.48
Q3 2014	756,413	$18,404	$25.91	$19.38 - $31.20
Q2 2014	763,755	$29,117	$27.85	$24.54 - $30.69
Q1 2014	758,359	$25,178	$28.23	$24.49 - $31.81
Q4 2013	750,929	$29,954	$30.41	$28.07 - $33.54