X0508 4 2024-02-27 0000062996 MASCO CORP /DE/ MAS 0001554872 Shah Jai 17450 COLLEGE PARKWAY LIVONIA MI 48152 1 Group President 0 Common Stock 2024-02-27 4 M 0 12700.0000 25.5100 A 54960.0000 D Common Stock 2024-02-27 4 M 0 3422.0000 22.9195 A 58382.0000 D Common Stock 2024-02-27 4 S 0 16122.0000 76.3546 D 42260.0000 D Common Stock 2024-02-27 4 S 0 26430.0000 76.3635 D 15830.0000 D Employee Stock Option 25.5100 2024-02-27 4 M 0 12700.0000 D 2026-02-10 Common Stock 12700.0000 0.0000 D Employee Stock Option 22.9195 2024-02-27 4 M 0 3422.0000 D 2025-02-11 Common Stock 3422.0000 0.0000 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.35 to $76.40, 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 range set forth in footnote (1) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.35 to $76.41, 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 range set forth in footnote (2) to this Form 4. This option became exercisable in five equal annual installments commencing February 10, 2017. Grant of option under the Masco Corporation 2014 Long Term Stock Incentive Plan in transactions exempt under Rule 16b-3. In connection with the spin-off of TopBuild Corp. by Masco Corporation ("Masco") on June 30, 2015, outstanding stock options granted under the Masco 2014 Long Term Stock Incentive Plan by Masco to all plan participants, including to the reporting person, were adjusted on a value neutral basis to preserve the options' pre-spin intrinsic value. This option became exercisable in five equal annual installments commencing February 11, 2016. Yvette M. VanRiper by Power of Attorney 2024-02-29