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

Feb 3, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2010-02-03

Reporting Person: IRVING GREGORY S (Vice President and Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-03	Common Stock	M	3300	$76.61	Acquired	16772	Direct
2010-02-03	Common Stock	M	490	$43.50	Acquired	17262	Direct
2010-02-03	Common Stock	S	500	$102.38	Disposed	16762	Direct
2010-02-03	Common Stock	S	300	$102.39	Disposed	16462	Direct
2010-02-03	Common Stock	S	200	$102.40	Disposed	16262	Direct
2010-02-03	Common Stock	S	200	$102.41	Disposed	16062	Direct
2010-02-03	Common Stock	S	800	$102.42	Disposed	15262	Direct
2010-02-03	Common Stock	S	100	$102.43	Disposed	15162	Direct
2010-02-03	Common Stock	S	100	$102.44	Disposed	15062	Direct
2010-02-03	Common Stock	S	1000	$102.45	Disposed	14062	Direct
2010-02-03	Common Stock	S	100	$102.46	Disposed	13962	Direct
2010-02-03	Common Stock	S	490	$102.6030	Disposed	13472	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-03	Option	$43.50	M	490	Disposed	2010-04-25	Common Stock (490)	Direct
2010-02-03	Option	$76.61	M	3300	Disposed	2016-04-25	Common Stock (3300)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option	$37.50	2011-04-24	Common Stock (330)	330	Direct
Option	$52.29	2015-04-26	Common Stock (3900)	3900	Direct
Option	$83.08	2017-04-24	Common Stock (2700)	2700	Direct
Option	$85.82	2018-04-29	Common Stock (3200)	3200	Direct
Option	$81.49	2019-04-28	Common Stock (7000)	7000	Direct