CHICAGO, Aug. 12 /PRNewswire-FirstCall/ -- Grainger (NYSE: GWW) today reported sales results for the month of July 2009. Daily sales declined 14 percent versus July 2008, primarily the result of weak demand across all customer end-markets and geographies. Foreign exchange negatively affected sales by approximately one percentage point. There were the same number of selling days in July 2009 and July 2008 (22). The 2009 third quarter will have the same number of selling days (64) as the 2008 third quarter.

                      July Daily Sales by Segment
                             2009 v. 2008
              United States                     -14%
              Canada                            -19% *
              Other Businesses                  + 5%
              *(-10% in local currency)

Please visit www.grainger.com/investor to access a recorded message with additional detail about July sales.

W.W. Grainger, Inc. with 2008 sales of $6.9 billion is the leading broad line supplier of facilities maintenance products serving businesses and institutions in the United States, Canada, Mexico, India, 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.