As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 3/13/15  W.W. Grainger, Inc.               ARS        12/31/14    1:2K                                     SEC #7                   
 3/13/15  Macpherson Donald G               4          Officer²    1:37K  W.W. Grainger, Inc.               DONNELLEY FIN… File16/FA 
 3/13/15  W.W. Grainger, Inc.               DEFA14A     3/13/15    1:577K                                   Toppan Merrill/FA        
 3/13/15  W.W. Grainger, Inc.               DEF 14A     4/29/15    1:5.6M                                   Toppan Merrill-FA        

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¹	Filing/Form Types:  /A
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	ARS	Annual Report to Security Holders.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.