MASTERBRAND INC

Ticker: MBC CUSIP: 57638P104 Class: COMMON STOCK

LUMINUS MANAGEMENT LLC's Holding History (CIK: 0001279151)

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

Q1 2023

Shares 200,000 Value ($000) $1,608 Avg Close $8.82 Range $7.08 - $10.21

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	200,000	$1,608	$8.82	$7.08 - $10.21