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	200	$108.62	Disposed	50793	Direct
2010-03-18	Common Stock	S	500	$108.63	Disposed	50293	Direct
2010-03-18	Common Stock	S	200	$108.64	Disposed	50093	Direct
2010-03-18	Common Stock	S	200	$108.79	Disposed	49893	Direct
2010-03-18	Common Stock	S	100	$108.80	Disposed	49793	Direct
2010-03-18	Common Stock	S	100	$108.81	Disposed	49693	Direct
2010-03-18	Common Stock	S	1000	$108.82	Disposed	48693	Direct
2010-03-18	Common Stock	S	100	$108.83	Disposed	48593	Direct
2010-03-18	Common Stock	S	700	$108.84	Disposed	47893	Direct
2010-03-18	Common Stock	S	100	$108.845	Disposed	47793	Direct
2010-03-18	Common Stock	S	100	$108.855	Disposed	47693	Direct
2010-03-18	Common Stock	S	300	$108.86	Disposed	47393	Direct
2010-03-18	Common Stock	S	100	$108.88	Disposed	47293	Direct
2010-03-18	Common Stock	S	200	$108.89	Disposed	47093	Direct
2010-03-18	Common Stock	S	100	$108.91	Disposed	46993	Direct