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

Oct 22, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2007-10-19

Reporting Person: CHEN YC (Group President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-10-19	Common Stock	M	710	$37.50	Acquired	39060	Direct
2007-10-19	Common Stock	M	10000	$37.50	Acquired	49060	Direct
2007-10-19	Common Stock	S	100	$89.76	Disposed	48960	Direct
2007-10-19	Common Stock	S	300	$89.79	Disposed	48660	Direct
2007-10-19	Common Stock	S	200	$89.81	Disposed	48460	Direct
2007-10-19	Common Stock	S	51	$89.82	Disposed	48409	Direct
2007-10-19	Common Stock	S	100	$89.83	Disposed	48309	Direct
2007-10-19	Common Stock	S	349	$89.84	Disposed	47960	Direct
2007-10-19	Common Stock	S	251	$89.85	Disposed	47709	Direct
2007-10-19	Common Stock	S	200	$89.86	Disposed	47509	Direct
2007-10-19	Common Stock	S	200	$89.87	Disposed	47309	Direct
2007-10-19	Common Stock	S	100	$89.89	Disposed	47209	Direct
2007-10-19	Common Stock	S	697	$89.91	Disposed	46512	Direct
2007-10-19	Common Stock	S	51	$89.92	Disposed	46461	Direct
2007-10-19	Common Stock	S	100	$89.93	Disposed	46361	Direct
2007-10-19	Common Stock	S	49	$89.94	Disposed	46312	Direct
2007-10-19	Common Stock	S	100	$89.95	Disposed	46212	Direct
2007-10-19	Common Stock	S	300	$89.97	Disposed	45912	Direct
2007-10-19	Common Stock	S	507	$90	Disposed	45405	Direct
2007-10-19	Common Stock	S	200	$90.01	Disposed	45205	Direct
2007-10-19	Common Stock	S	600	$90.02	Disposed	44605	Direct
2007-10-19	Common Stock	S	200	$90.04	Disposed	44405	Direct
2007-10-19	Common Stock	S	49	$90.05	Disposed	44356	Direct
2007-10-19	Common Stock	S	400	$90.08	Disposed	43956	Direct
2007-10-19	Common Stock	S	300	$90.10	Disposed	43656	Direct
2007-10-19	Common Stock	S	605	$90.12	Disposed	43051	Direct
2007-10-19	Common Stock	S	500	$90.13	Disposed	42551	Direct
2007-10-19	Common Stock	S	100	$90.14	Disposed	42451	Direct
2007-10-19	Common Stock	S	300	$90.15	Disposed	42151	Direct
2007-10-19	Common Stock	S	300	$90.18	Disposed	41851	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-10-19	Option	$37.50	M	710	Disposed	2011-04-24	Common Stock (710)	Direct
2007-10-19	Option	$37.50	M	10000	Disposed	2011-04-24	Common Stock (10000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option	$54.61	2012-04-23	Common Stock (10000)	10000	Direct
Option	$45.50	2013-04-29	Common Stock (20000)	20000	Direct
Option	$54.14	2014-04-27	Common Stock (13100)	13100	Direct
Option	$52.29	2015-04-26	Common Stock (13100)	13100	Direct
Option	$76.61	2016-04-25	Common Stock (8000)	8000	Direct
Option	$83.08	2017-04-24	Common Stock (16000)	16000	Direct