MASTERBRAND INC

Ticker: MBC CUSIP: 57638P104 Class: COMMON STOCK

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q2 2023

Shares 134 Value ($000) $2 Avg Close $9.59 Range $7.31 - $12.06

Q1 2023

Shares 2,022 Value ($000) $16 Avg Close $8.82 Range $7.08 - $10.21

Q4 2022

Shares 1,611 Value ($000) $12 Avg Close $8.19 Range $7.18 - $15.00

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	134	$2	$9.59	$7.31 - $12.06
Q1 2023	2,022	$16	$8.82	$7.08 - $10.21
Q4 2022	1,611	$12	$8.19	$7.18 - $15.00