W.W. GRAINGER, INC. — Director's Dealing 2007

May 8, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2007-05-07

Reporting Person: KEYSER RICHARD L (Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-07	Common Stock	S	100	$83.58	Disposed	267557	Direct
2007-05-07	Common Stock	S	200	$83.63	Disposed	267357	Direct
2007-05-07	Common Stock	S	100	$83.64	Disposed	267257	Direct
2007-05-07	Common Stock	S	200	$83.65	Disposed	267057	Direct
2007-05-07	Common Stock	S	600	$83.66	Disposed	266457	Direct
2007-05-07	Common Stock	S	109	$83.67	Disposed	266348	Direct
2007-05-07	Common Stock	S	1300	$83.68	Disposed	265048	Direct
2007-05-07	Common Stock	S	300	$83.685	Disposed	264748	Direct
2007-05-07	Common Stock	S	400	$83.6875	Disposed	264348	Direct
2007-05-07	Common Stock	S	1300	$83.69	Disposed	263048	Direct
2007-05-07	Common Stock	S	100	$83.6925	Disposed	262948	Direct
2007-05-07	Common Stock	S	800	$83.695	Disposed	262148	Direct
2007-05-07	Common Stock	S	5100	$83.70	Disposed	257048	Direct
2007-05-07	Common Stock	S	100	$83.71	Disposed	256948	Direct
2007-05-07	Common Stock	S	400	$83.72	Disposed	256548	Direct
2007-05-07	Common Stock	S	100	$83.73	Disposed	256448	Direct
2007-05-07	Common Stock	S	100	$83.74	Disposed	256348	Direct
2007-05-07	Common Stock	S	100	$83.76	Disposed	256248	Direct
2007-05-07	Common Stock	S	200	$83.77	Disposed	256048	Direct
2007-05-07	Common Stock	S	400	$83.78	Disposed	255648	Direct
2007-05-07	Common Stock	S	400	$83.79	Disposed	255248	Direct
2007-05-07	Common Stock	S	100	$83.80	Disposed	255148	Direct
2007-05-07	Common Stock	S	200	$83.81	Disposed	254948	Direct
2007-05-07	Common Stock	S	100	$83.82	Disposed	254848	Direct
2007-05-07	Common Stock	S	900	$83.83	Disposed	253948	Direct
2007-05-07	Common Stock	S	800	$83.835	Disposed	253148	Direct
2007-05-07	Common Stock	S	300	$83.8375	Disposed	252848	Direct
2007-05-07	Common Stock	S	200	$83.84	Disposed	252648	Direct
2007-05-07	Common Stock	S	700	$83.845	Disposed	251948	Direct
2007-05-07	Common Stock	S	500	$83.8475	Disposed	251448	Direct