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

Sep 21, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2010-09-20

Reporting Person: Pulick Michael A (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-09-20	Common Stock	M	5700	$52.29	Acquired	32084	Direct
2010-09-20	Common Stock	S	5200	$120.00	Disposed	26884	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-09-20	Option	$52.29	M	5700	Disposed	2015-04-26	Common Stock (5700)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option	$76.61	2016-04-25	Common Stock (4800)	4800	Direct
Option	$83.08	2017-04-24	Common Stock (12000)	12000	Direct
Option	$85.82	2018-04-29	Common Stock (10500)	10500	Direct
Option	$81.49	2019-04-28	Common Stock (30000)	30000	Direct
Option	$108.15	2020-04-27	Common Stock (29000)	29000	Direct

Footnotes

F1: Transaction pursuant to a previously adopted Rule 10b5-1 trading program.