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: 2010-02-24

Reporting Person: KEYSER RICHARD L (Director, Chairman Emeritus)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-24	Common Stock	S	900	$103.21	Disposed	177250	Direct
2010-02-24	Common Stock	S	300	$103.24	Disposed	176950	Direct
2010-02-24	Common Stock	S	375	$103.25	Disposed	176575	Direct
2010-02-24	Common Stock	S	600	$103.31	Disposed	175975	Direct
2010-02-24	Common Stock	S	800	$103.34	Disposed	175175	Direct
2010-02-24	Common Stock	S	100	$103.3405	Disposed	175075	Direct
2010-02-24	Common Stock	S	500	$103.35	Disposed	174575	Direct
2010-02-24	Common Stock	S	100	$103.36	Disposed	174475	Direct
2010-02-24	Common Stock	S	100	$103.37	Disposed	174375	Direct
2010-02-24	Common Stock	S	1000	$103.39	Disposed	173375	Direct
2010-02-24	Common Stock	S	400	$103.40	Disposed	172975	Direct
2010-02-24	Common Stock	S	300	$103.41	Disposed	172675	Direct
2010-02-24	Common Stock	S	300	$103.43	Disposed	172375	Direct
2010-02-24	Common Stock	S	300	$103.44	Disposed	172075	Direct
2010-02-24	Common Stock	S	791	$103.45	Disposed	171284	Direct
2010-02-24	Common Stock	S	2616	$103.46	Disposed	168668	Direct
2010-02-24	Common Stock	S	3009	$103.47	Disposed	165659	Direct
2010-02-24	Common Stock	S	677	$103.48	Disposed	164982	Direct
2010-02-24	Common Stock	S	100	$103.49	Disposed	164882	Direct
2010-02-24	Common Stock	S	807	$103.50	Disposed	164075	Direct
2010-02-24	Common Stock	S	500	$103.51	Disposed	163575	Direct
2010-02-24	Common Stock	S	400	$103.52	Disposed	163175	Direct
2010-02-24	Common Stock	S	100	$103.53	Disposed	163075	Direct

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option	$45.50	2013-04-29	Common Stock (174000)	174000	Direct
Option	$54.14	2014-04-27	Common Stock (81000)	81000	Direct
Option	$52.29	2015-04-26	Common Stock (90000)	90000	Direct
Option	$76.61	2016-04-25	Common Stock (80000)	80000	Direct
Option	$83.08	2017-04-24	Common Stock (80000)	80000	Direct
Option	$85.82	2018-04-29	Common Stock (150000)	150000	Direct