X0306 4 2020-08-05 0000062996 MASCO CORP /DE/ MAS 0001623661 Straber Renee 17450 COLLEGE PARKWAY LIVONIA MI 48152 1 VP - Chief HR Officer Common Stock 2020-08-05 4 M 0 4447.0000 22.9195 A 78300.0000 D Common Stock 2020-08-05 4 S 0 4447.0000 57.2900 D 73853.0000 D Common Stock 2020-08-05 4 S 0 45000.0000 57.2108 D 28853.0000 D Employee Stock Option 22.9195 2020-08-05 4 M 0 4447.0000 D 2025-02-11 Common Stock 4447.0000 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 $57.11 to $57.32, 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 (1) to this Form 4. This option became exercisable in five equal annual installments commencing February 11, 2016. Grant of option under the Masco Corporation 2014 Long Term Stock Incentive Plan in transactions exempt under Rule 16b-3. Yvette M. VanRiper by Power of Attorney 2020-08-06