Material Event (Form 8-K)

As previously disclosed, on August 5, 2025, MasterBrand, Inc., a Delaware corporation ("MasterBrand"), entered into an Agreement and Plan of Merger with American Woodmark Corporation, a Virginia corporation ("American Woodmark"), and Maple Merger Sub, Inc., a Virginia corporation and a wholly owned subsidiary of MasterBrand.

On May 22, 2026, MasterBrand received notice from the Federal Trade Commission that the agency has closed its investigation of MasterBrand's proposed merger with American Woodmark. The waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, has expired. As a result, MasterBrand expects to close the transaction on or about May 28, 2026, subject to the satisfaction or waiver of other customary closing conditions.