MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

Lumbard & Kellner, LLC's Holding History (CIK: 0001602476)

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

Q4 2025

Shares 51,535 Value ($000) $6,407 Avg Close $123.31 Range $109.61 - $135.33

Q3 2025

Shares 52,290 Value ($000) $6,317 Avg Close $105.00 Range $78.40 - $122.73

Q2 2025

Shares 52,290 Value ($000) $4,150 Avg Close $78.87 Range $69.10 - $91.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,535	$6,407	$123.31	$109.61 - $135.33
Q3 2025	52,290	$6,317	$105.00	$78.40 - $122.73
Q2 2025	52,290	$4,150	$78.87	$69.10 - $91.03