MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q1 2023

Shares 26,935 Value ($000) $3,124 Avg Close $100.24 Range $84.23 - $118.20

Q3 2022

Shares 22,458 Value ($000) $1,797 Avg Close $82.42 Range $69.36 - $97.89

Q1 2022

Shares 18,296 Value ($000) $1,569 Avg Close $85.47 Range $78.88 - $96.00

Q4 2021

Shares 18,296 Value ($000) $1,682 Avg Close $83.35 Range $68.09 - $95.60

Q2 2019

Shares 21,350 Value ($000) $1,448 Avg Close $62.97 Range $56.29 - $71.97

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	26,935	$3,124	$100.24	$84.23 - $118.20
Q3 2022	22,458	$1,797	$82.42	$69.36 - $97.89
Q1 2022	18,296	$1,569	$85.47	$78.88 - $96.00
Q4 2021	18,296	$1,682	$83.35	$68.09 - $95.60
Q2 2019	21,350	$1,448	$62.97	$56.29 - $71.97