X0306 4 2013-02-13 0000062996 MASCO CORP /DE/ MAS 0001333724 Sznewajs John G 21001 VAN BORN ROAD TAYLOR MI 48180 1 VP, Treasurer and CFO Common Stock 2013-02-13 4 A 0 26550.0000 0.0000 A 221819.0000 D Common Stock 2013-02-14 4 M 0 35000.0000 8.0300 A 256819.0000 D Common Stock 2013-02-14 4 S 0 14412.0000 20.1611 D 242407.0000 D Common Stock 2013-02-14 4 F 0 20588.0000 20.1611 D 221819.0000 D Common Stock 2013-02-14 4 S 0 35000.0000 20.1529 D 186819.0000 D Employee Stock Option 20.3600 2013-02-13 4 A 0 72500.0000 A 2023-02-13 Common Stock 72500.0000 72500.0000 D Employee Stock Option 8.0300 2013-02-14 4 M 0 35000.0000 D 2019-02-09 Common Stock 35000.0000 110000.0000 D N/A The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.14 to $20.175, 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 (2) and (3) to this Form 4. The price reported in Column 4 is a weighted average pice. These shares were sold in multiple transactions at prices ranging from $20.15 to $20.1604, inclusive. This option is exercisable in five equal annual installments of 14,500 shares commencing February 13, 2014. Grant of option under Masco Corporation 2005 Long Term Stock Incentive Plan, as amended, in transactions exempt under Rule 16b-3. This option, representing a right to purchase a total of 145,000 shares, is exercisable in five equal annual installments of 29,000 beginning on February 9, 2010. Yvette M. VanRiper by Power of Attorney 2013-02-15