MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q2 2023

Shares 48,707 Value ($000) $5,562 Avg Close $108.57 Range $99.33 - $121.29

Q1 2023

Shares 25,048 Value ($000) $2,906 Avg Close $100.24 Range $84.23 - $118.20

Q2 2022

Shares 44,614 Value ($000) $3,289 Avg Close $80.32 Range $68.75 - $89.68

Q1 2022

Shares 38,922 Value ($000) $3,337 Avg Close $85.47 Range $78.88 - $96.00

Q1 2021

Shares 94,866 Value ($000) $6,284 Avg Close $69.38 Range $61.96 - $80.70

Q2 2015

Shares 36,359 Value ($000) $1,282 Avg Close $38.55 Range $35.16 - $41.85

Q1 2015

Shares 89,277 Value ($000) $3,431 Avg Close $35.92 Range $31.95 - $39.57

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	48,707	$5,562	$108.57	$99.33 - $121.29
Q1 2023	25,048	$2,906	$100.24	$84.23 - $118.20
Q2 2022	44,614	$3,289	$80.32	$68.75 - $89.68
Q1 2022	38,922	$3,337	$85.47	$78.88 - $96.00
Q1 2021	94,866	$6,284	$69.38	$61.96 - $80.70
Q2 2015	36,359	$1,282	$38.55	$35.16 - $41.85
Q1 2015	89,277	$3,431	$35.92	$31.95 - $39.57