X0306 4 2022-02-25 0000062996 MASCO CORP /DE/ MAS 0001599376 Allman Keith J. 17450 COLLEGE PARKWAY LIVONIA MI 48152 1 1 President and CEO Common Stock 2022-02-25 4 F 0 14969.0000 56.6300 D 329516.0000 D Common Stock 2022-02-28 4 S 0 21221.0000 55.7749 D 308295.0000 D This transaction was made pursuant to a 10b5-1 trading plan entered into by the reporting person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.41 to $56.10, inclusive. The reporting person undertakes to provide to Masco Corporation, any security holder of Masco Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4. Yvette M. VanRiper by Power of Attorney 2022-03-01