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: 2010-03-18

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

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-18	Common Stock	S	171	$108.93	Disposed	46822	Direct
2010-03-18	Common Stock	S	101	$108.94	Disposed	46721	Direct
2010-03-18	Common Stock	S	100	$108.945	Disposed	46621	Direct
2010-03-18	Common Stock	S	200	$108.95	Disposed	46421	Direct
2010-03-18	Common Stock	S	200	$108.97	Disposed	46221	Direct
2010-03-18	Common Stock	S	200	$108.98	Disposed	46021	Direct
2010-03-18	Common Stock	S	400	$108.99	Disposed	45621	Direct
2010-03-18	Common Stock	S	400	$109.00	Disposed	45221	Direct
2010-03-18	Common Stock	S	101	$109.01	Disposed	45120	Direct
2010-03-18	Common Stock	S	500	$109.02	Disposed	44620	Direct
2010-03-18	Common Stock	S	100	$109.03	Disposed	44520	Direct
2010-03-18	Common Stock	S	100	$109.035	Disposed	44420	Direct
2010-03-18	Common Stock	S	500	$109.04	Disposed	43920	Direct
2010-03-18	Common Stock	S	500	$109.05	Disposed	43420	Direct