W.W. GRAINGER, INC. - Director's Dealing 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2010-09-08

Reporting Person: HOWARD JOHN L (Sr. VP and General Counsel)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-09-08	Common Stock	M	12500	$45.50	Acquired	54933	Direct
2010-09-08	Common Stock	S	100	$110.91	Disposed	54833	Direct
2010-09-08	Common Stock	S	100	$110.93	Disposed	54733	Direct
2010-09-08	Common Stock	S	100	$110.94	Disposed	54633	Direct
2010-09-08	Common Stock	S	100	$110.95	Disposed	54533	Direct
2010-09-08	Common Stock	S	800	$110.96	Disposed	53733	Direct
2010-09-08	Common Stock	S	1600	$110.97	Disposed	52133	Direct
2010-09-08	Common Stock	S	1600	$110.98	Disposed	50533	Direct
2010-09-08	Common Stock	S	1265	$110.99	Disposed	49268	Direct
2010-09-08	Common Stock	S	1262	$111.00	Disposed	48006	Direct
2010-09-08	Common Stock	S	1000	$111.01	Disposed	47006	Direct
2010-09-08	Common Stock	S	400	$111.02	Disposed	46606	Direct
2010-09-08	Common Stock	S	1400	$111.03	Disposed	45206	Direct
2010-09-08	Common Stock	S	1100	$111.04	Disposed	44106	Direct
2010-09-08	Common Stock	S	700	$111.05	Disposed	43406	Direct
2010-09-08	Common Stock	S	100	$111.06	Disposed	43306	Direct
2010-09-08	Common Stock	S	566	$111.07	Disposed	42740	Direct
2010-09-08	Common Stock	S	100	$111.08	Disposed	42640	Direct
2010-09-08	Common Stock	S	107	$111.09	Disposed	42533	Direct
2010-09-08	Common Stock	S	100	$111.10	Disposed	42433	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-09-08	Option	$45.50	M	12500	Disposed	2013-04-29	Common Stock (12500)	Direct

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option	$54.14	2014-04-27	Common Stock (12000)	12000	Direct
Option	$52.29	2015-04-26	Common Stock (13000)	13000	Direct
Option	$76.61	2016-04-25	Common Stock (10000)	10000	Direct
Option	$83.08	2017-04-24	Common Stock (10000)	10000	Direct
Option	$85.82	2018-04-29	Common Stock (11000)	11000	Direct
Option	$81.49	2019-04-28	Common Stock (21000)	21000	Direct
Option	$108.15	2020-04-27	Common Stock (19500)	19500	Direct