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

May 7, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2007-05-04

Reporting Person: KEYSER RICHARD L (Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-04	Common Stock	S	1200	$84.08	Disposed	294484	Direct
2007-05-04	Common Stock	S	500	$84.09	Disposed	293984	Direct
2007-05-04	Common Stock	S	1700	$84.10	Disposed	292284	Direct
2007-05-04	Common Stock	S	500	$84.11	Disposed	291784	Direct
2007-05-04	Common Stock	S	200	$84.13	Disposed	291584	Direct
2007-05-04	Common Stock	S	400	$84.14	Disposed	291184	Direct
2007-05-04	Common Stock	S	300	$84.15	Disposed	290884	Direct
2007-05-04	Common Stock	S	100	$84.17	Disposed	290784	Direct
2007-05-04	Common Stock	S	200	$84.19	Disposed	290584	Direct
2007-05-04	Common Stock	S	1728	$84.20	Disposed	288856	Direct
2007-05-04	Common Stock	S	600	$84.21	Disposed	288256	Direct
2007-05-04	Common Stock	S	1500	$84.22	Disposed	286756	Direct
2007-05-04	Common Stock	S	900	$84.23	Disposed	285856	Direct
2007-05-04	Common Stock	S	1300	$84.24	Disposed	284556	Direct
2007-05-04	Common Stock	S	1300	$84.25	Disposed	283256	Direct
2007-05-04	Common Stock	S	1500	$84.26	Disposed	281756	Direct
2007-05-04	Common Stock	S	900	$84.27	Disposed	280856	Direct
2007-05-04	Common Stock	S	400	$84.28	Disposed	280456	Direct
2007-05-04	Common Stock	S	1400	$84.29	Disposed	279056	Direct
2007-05-04	Common Stock	S	1050	$84.30	Disposed	278006	Direct
2007-05-04	Common Stock	S	1700	$84.31	Disposed	276306	Direct
2007-05-04	Common Stock	S	700	$84.32	Disposed	275606	Direct
2007-05-04	Common Stock	S	1000	$84.33	Disposed	274606	Direct
2007-05-04	Common Stock	S	500	$84.34	Disposed	274106	Direct
2007-05-04	Common Stock	S	1300	$84.35	Disposed	272806	Direct
2007-05-04	Common Stock	S	374	$84.36	Disposed	272432	Direct
2007-05-04	Common Stock	S	1400	$84.37	Disposed	271032	Direct
2007-05-04	Common Stock	S	100	$84.38	Disposed	270932	Direct
2007-05-04	Common Stock	S	300	$84.39	Disposed	270632	Direct
2007-05-04	Common Stock	S	2300	$84.40	Disposed	268332	Direct