CHICAGO, March 18, 2013 /PRNewswire/ -- DG Macpherson, Senior Vice President and President, Global Supply Chain and Corporate Strategy, will be presenting at the BB&T 7th Annual Commercial & Industrial Conference in Coral Gables, Florida, on Wednesday, March 20, 2013. The live audio webcast of the event, scheduled for 3:15 p.m. EDT, will be available for 30 days at www.grainger.com/investor. The presentation slides will be posted in the Company Information, Presentations and Webcasts section of Grainger's Investor Relations web site, listed above.About GraingerW.W. Grainger, Inc. with 2012 sales of $9.0 billion is North America's leading broad line supplier of maintenance, repair and operating products, with expanding global operations. For more information about the company, visit www.grainger.com/investor. SOURCE W.W. Grainger, Inc.