W.W. GRAINGER, INC. — Director's Dealing 2008

Apr 18, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2008-04-18

Reporting Person: MCCARTER JOHN W JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-04-18	Common Stock	M	1460	$51.6875	Acquired	15164	Direct
2008-04-18	Common Stock	S	1060	$86.91	Disposed	14104	Direct
2008-04-18	Common Stock	S	400	$87.50	Disposed	13704	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-04-18	Stock Option	$51.6875	M	1460	Disposed	2008-04-28	Common Stock (1460)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Units	$		Common Stock (7198)	7198	Direct
Stock Option	$48.625	2009-04-27	Sommon Stock (1860)	1860	Direct
Stock Option	$43.50	2010-04-25	Common Stock (2070)	2070	Direct
Stock Option	$37.50	2011-04-24	Common Stock (2400)	2400	Direct
Stock Option	$54.61	2012-04-23	Common Stock (1650)	1650	Direct
Stock Option	$45.50	2013-04-29	Common Stock (1980)	1980	Direct
Stock Option	$54.14	2014-04-27	Sommon Stock (1670)	1670	Direct

Footnotes

F1: 1-for-1

F2: The stock units are expected to settle in cash following termination of service as a director.