MASCO CORP /DE/ — Director's Dealing 2007

Apr 3, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASCO CORP /DE/ (MAS)
CIK: 0000062996
Period of Report: 2007-03-30

Reporting Person: ISTOCK VERNE G (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-03-30	Common Stock	M	8000	$19.5625	Acquired	25680	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-03-30	Non-Employee Director Stock Option	$19.5625	M	8000	Disposed	2007-05-21	Common Stock (8000)	Direct

Footnotes

F1: The foregoing option was exercisable cumulatively in annual installments of 20% commencing 05/21/1998.

F2: Grant of option under Masco Corporation 1997 Non-Employee Directors Stock Plan, in transactions exempt under Rule 16b-3.