X0306 4 2019-03-04 0000062996 MASCO CORP /DE/ MAS 0001582303 Cole Kenneth G. 17450 COLLEGE PARKWAY LIVONIA MI 48152 1 VP, General Counsel and Sec. Common Stock 2019-03-04 4 M 0 9117.0000 12.1179 A 96843.0000 D Common Stock 2019-03-04 4 S 0 9117.0000 39.9577 D 87726.0000 D Common Stock 2019-03-04 4 S 0 14044.0000 40.0760 D 73682.0000 D Employee Stock Option 12.1179 2019-03-04 4 M 0 9117.0000 D 2020-02-12 Common Stock 9117.0000 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 $39.950 to $39.960, 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 footnotes (1) and (2) 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 $40.070 to $40.091, inclusive. 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 12, 2011. 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 2019-03-05