MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q3 2022

Shares 85,574 Value ($000) $6,846 Avg Close $82.42 Range $69.36 - $97.89

Q2 2022

Shares 90,715 Value ($000) $6,688 Avg Close $80.32 Range $68.75 - $89.68

Q1 2022

Shares 99,505 Value ($000) $8,532 Avg Close $85.47 Range $78.88 - $96.00

Q4 2021

Shares 69,657 Value ($000) $6,404 Avg Close $83.35 Range $68.09 - $95.60

Q3 2021

Shares 3,900 Value ($000) $268 Avg Close $71.56 Range $66.92 - $76.97

Q2 2021

Shares 3,300 Value ($000) $249 Avg Close $74.12 Range $64.48 - $80.39

Q3 2019

Shares 23,075 Value ($000) $1,416 Avg Close $62.07 Range $56.79 - $68.75

Q2 2019

Shares 24,575 Value ($000) $1,666 Avg Close $62.97 Range $56.29 - $71.97

Q1 2019

Shares 16,800 Value ($000) $959 Avg Close $52.02 Range $42.50 - $59.87

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	85,574	$6,846	$82.42	$69.36 - $97.89
Q2 2022	90,715	$6,688	$80.32	$68.75 - $89.68
Q1 2022	99,505	$8,532	$85.47	$78.88 - $96.00
Q4 2021	69,657	$6,404	$83.35	$68.09 - $95.60
Q3 2021	3,900	$268	$71.56	$66.92 - $76.97
Q2 2021	3,300	$249	$74.12	$64.48 - $80.39
Q3 2019	23,075	$1,416	$62.07	$56.79 - $68.75
Q2 2019	24,575	$1,666	$62.97	$56.29 - $71.97
Q1 2019	16,800	$959	$52.02	$42.50 - $59.87