MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

STONERIDGE INVESTMENT PARTNERS LLC's Holding History (CIK: 0001108831)

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

Q4 2015

Shares 40,981 Value ($000) $1,147 Avg Close $30.22 Range $26.02 - $35.21

Q3 2015

Shares 39,285 Value ($000) $1,179 Avg Close $31.92 Range $28.83 - $36.53

Q2 2015

Shares 39,485 Value ($000) $1,392 Avg Close $38.55 Range $35.16 - $41.85

Q1 2015

Shares 33,659 Value ($000) $1,294 Avg Close $35.92 Range $31.95 - $39.57

Q4 2014

Shares 33,463 Value ($000) $1,179 Avg Close $34.46 Range $26.64 - $40.60

Q3 2014

Shares 27,367 Value ($000) $839 Avg Close $33.98 Range $30.65 - $39.38

Q2 2014

Shares 27,393 Value ($000) $1,013 Avg Close $34.63 Range $31.69 - $37.96

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	40,981	$1,147	$30.22	$26.02 - $35.21
Q3 2015	39,285	$1,179	$31.92	$28.83 - $36.53
Q2 2015	39,485	$1,392	$38.55	$35.16 - $41.85
Q1 2015	33,659	$1,294	$35.92	$31.95 - $39.57
Q4 2014	33,463	$1,179	$34.46	$26.64 - $40.60
Q3 2014	27,367	$839	$33.98	$30.65 - $39.38
Q2 2014	27,393	$1,013	$34.63	$31.69 - $37.96