MASTERBRAND INC

Ticker: MBC CUSIP: 57638P104 Class: COMMON STOCK

Madison Avenue Partners, LP's Holding History (CIK: 0001801265)

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

Q2 2023

Shares 1,298,688 Value ($000) $15,104 Avg Close $9.59 Range $7.31 - $12.06

Q1 2023

Shares 4,542,038 Value ($000) $36,518 Avg Close $8.82 Range $7.08 - $10.21

Q4 2022

Shares 4,513,028 Value ($000) $34,073 Avg Close $8.19 Range $7.18 - $15.00

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	1,298,688	$15,104	$9.59	$7.31 - $12.06
Q1 2023	4,542,038	$36,518	$8.82	$7.08 - $10.21
Q4 2022	4,513,028	$34,073	$8.19	$7.18 - $15.00