Grainger to Present at 2009 EPG Spring Conference

CHICAGO, May 19 /PRNewswire-FirstCall/ -- James T. Ryan, Grainger Chairman,
President, and Chief Executive Officer, will be presenting at the Electrical
Products Group's annual spring conference in Longboat Key, Florida on
Wednesday, May 20, 2009. The audio webcast of the event is scheduled for 9:00
a.m. EDT and will be available for 30 days. In addition the presentation
slides will be posted on the Speeches and Presentations section of Grainger's
Investor Relations Web site, www.grainger.com/investor.

About Grainger
W.W. Grainger, Inc. (NYSE: GWW), with 2008 sales of $6.9 billion, is a leading
broad line supplier of facilities maintenance products serving businesses and
institutions in the United States, Canada, Mexico, China and Panama. Through a
highly integrated network including more than 600 branches, 18 distribution
centers and multiple Web sites, Grainger's employees help customers get the
job done.

SOURCE W.W. Grainger, Inc.

Media, Jan Tratnik, Director, Corporate Communications and Public Affairs,
+1-847-535-4339, or Erin Ptacek, Director, Corporate Brand & Reputation ,
+1-847-535-1543, or Investors, Laura Brown, Vice President, Investor
Relations, +1-847-535-0409, or William Chapman, Director, Investor Relations,
+1-847-535-0881, all of W.W. Grainger, Inc.