MASCO CORP /DE/ — Director's Dealing 2007

May 29, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASCO CORP /DE/ (MAS)
CIK: 0000062996
Period of Report: 2007-05-24

Reporting Person: Sznewajs John G (VP Corp. Development&Treasurer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-24	Employee Stock Option	$30.40	A	40000	Acquired	2017-05-24	Common Stock (40000)	Direct

Footnotes

F1: The foregoing option is exercisable cumulatively in annual installments of 20% commencing 05/24/2008.

F2: Grant of option under Masco Corporation 2005 Long Term Stock Incentive Plan, in transactions exempt under Rule 16 b-3.