MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q1 2021

Shares 4,300 Value ($000) $285 Avg Close $69.38 Range $61.96 - $80.70

Q2 2020

Shares 12,854 Value ($000) $790 Avg Close $50.57 Range $32.91 - $63.46

Q4 2019

Shares 26,685 Value ($000) $1,586 Avg Close $59.15 Range $55.67 - $63.19

Q2 2019

Shares 62,048 Value ($000) $4,207 Avg Close $62.97 Range $56.29 - $71.97

Q1 2019

Shares 123,428 Value ($000) $7,043 Avg Close $52.02 Range $42.50 - $59.87

Q4 2018

Shares 93,928 Value ($000) $4,226 Avg Close $53.14 Range $42.66 - $61.07

Q3 2018

Shares 77,937 Value ($000) $4,715 Avg Close $60.17 Range $53.70 - $65.10

Q2 2018

Shares 105,115 Value ($000) $5,692 Avg Close $54.29 Range $49.40 - $57.45

Q1 2018

Shares 146,326 Value ($000) $7,470 Avg Close $51.05 Range $44.95 - $55.35

Q4 2017

Shares 78,458 Value ($000) $3,813 Avg Close $47.56 Range $42.10 - $52.10

Q3 2017

Shares 15,400 Value ($000) $665 Avg Close $38.31 Range $36.60 - $43.43

Q1 2017

Shares 82,654 Value ($000) $2,773 Avg Close $36.71 Range $31.05 - $41.10

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	4,300	$285	$69.38	$61.96 - $80.70
Q2 2020	12,854	$790	$50.57	$32.91 - $63.46
Q4 2019	26,685	$1,586	$59.15	$55.67 - $63.19
Q2 2019	62,048	$4,207	$62.97	$56.29 - $71.97
Q1 2019	123,428	$7,043	$52.02	$42.50 - $59.87
Q4 2018	93,928	$4,226	$53.14	$42.66 - $61.07
Q3 2018	77,937	$4,715	$60.17	$53.70 - $65.10
Q2 2018	105,115	$5,692	$54.29	$49.40 - $57.45
Q1 2018	146,326	$7,470	$51.05	$44.95 - $55.35
Q4 2017	78,458	$3,813	$47.56	$42.10 - $52.10
Q3 2017	15,400	$665	$38.31	$36.60 - $43.43
Q1 2017	82,654	$2,773	$36.71	$31.05 - $41.10