MASCO CORP /DE/ — Director's Dealing 2009

May 14, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASCO CORP /DE/ (MAS)
CIK: 0000062996
Period of Report: 2009-05-12

Reporting Person: ISTOCK VERNE G (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-05-12	Common Stock	A	3990	—	Acquired	33150	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-05-12	Non-Employee Director Stock Option	$10.02	A	8000	Acquired	2019-05-12	Common Stock (8000)	Direct

Footnotes

F1: N/A

F2: The foregoing option is exercisable cumulatively in annual installments of 20% commencing 05/12/2010.

F3: Grant of option under Masco Corporation Non-Employee Directors Equity Program, in transactions exempt under Rule 16 b-3.