X0306 4 2017-05-04 0000062996 MASCO CORP /DE/ MAS 0001182556 VAN LOKEREN MARY ANN P.O. BOX 2027 BOCA GRANDE FL 33921 1 Common Stock 2017-05-04 4 M 0 9117.0000 26.6488 A 68306.0000 D Common Stock 2017-05-04 4 M 0 1823.0000 8.7923 A 70129.0000 D Common Stock 2017-05-04 4 F 0 437.0000 36.6780 D 69692.0000 D Common Stock 2017-05-04 4 S 0 1386.0000 36.6780 D 68306.0000 D Common Stock 2017-05-04 4 S 0 2494.0000 36.6805 D 65812.0000 D Common Stock 2017-05-04 4 F 0 6623.0000 36.6805 D 59189.0000 D Common Stock 2000.0000 I By Trust Non-Employee Director Stock Option 26.6488 2017-05-04 4 M 0 9117.0000 D 2017-05-08 Common Stock 9117.0000 0.0000 D Non-Employee Director Stock Option 8.7923 2017-05-04 4 M 0 1823.0000 D 2019-05-12 Common Stock 1823.0000 0.0000 D 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 May 8, 2008. Grant of option under the Masco Corporation 2014 Long Term Stock Incentive Plan in transactions exempt under Rule 16b-3. This option became exercisable in five equal annual installments commencing May 12, 2010. Yvette M. VanRiper by Power of Attorney 2017-05-04