Investor Presentaiton

Near-Term Expectations 2023 Outlook¹ Market Growth Low double-digit % declines North American Cabinets Market MasterBrand ~Midteens % Net Sales Decline in Q4 2023 $370-$380 million FY Adjusted EBITDA² ~13.5%-14.0% FY Adj. EBITDA² Margin • Drivers Expect volume to be in line with our market with Net Sales further impacted by customer trade downs Lower backlog will present a headwind of nearly $200 million in 2023, or a roughly mid-single digit impact year-over-year • Will continue to proactively execute on pricing strategies, supply chain improvements, cost controls and continuous improvement initiatives with the intent of expanding margins in a softer environment Free cash flow in excess of adjusted net income for 2023 Maintaining strategic investments STRONG BALANCE SHEET WITH FINANCIAL FLEXIBILITY This outlook information was presented by the Company on its Third Quarter 2023 Earnings Conference Call on November 7, 2023, and it speaks only as of that date. Its inclusion in this presentation does not constitute a reaffirmation or update of such information as of the date hereof or any other date. 2Adjusted EBITDA and Adjusted EBITDA margin are non-GAAP metrics. Please see appendix for definitions. 13 125

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