Prevost Patrick M.

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
6 Dec 24	MTRN Materion	Common Stock	Grant	Acquire A	Yes	No	0	16.736	0.00	13,854.231
6 Dec 24	MTRN Materion	RSU Common Stock	Grant	Acquire A	No	No	0	1	0.00	1,153
3 Oct 24	MTRN Materion	Common Stock	Grant	Acquire A	Yes	No	97	212	20.56 k	13,837.495
6 Sep 24	MTRN Materion	Common Stock	Grant	Acquire A	Yes	No	0	17.463	0.00	13,625.495
6 Sep 24	MTRN Materion	RSU Common Stock	Grant	Acquire A	No	No	0	1	0.00	1,152
8 Jul 24	MTRN Materion	Common Stock	Grant	Acquire A	Yes	No	106.2	194	20.60 k	13,608.032
7 Jun 24	MTRN Materion	Common Stock	Grant	Acquire A	Yes	No	0	16.463	0.00	13,414.032
7 Jun 24	MTRN Materion	RSU Common Stock	Grant	Acquire A	No	No	0	1	0.00	1,151

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.