CHICAGO, June 8, 2012 /PRNewswire/ -- Jim Ryan, Chairman, President, and Chief Executive Officer, and Ron Jadin, Senior Vice President and Chief Financial Officer, will present at the William Blair & Company Growth Stock Conference in Chicago, Illinois on Tuesday, June 12, 2012. The audio webcast of the event, scheduled for 9:30 a.m. CDT, will be available for 30 days at www.grainger.com/investor. In addition, the presentation slides will be posted on the Speeches and Presentations section of Grainger's Investor Relations web site. About GraingerW.W. Grainger, Inc. with 2011 sales of $8.1 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.