W.W. Grainger, Inc. reiterated earnings guidance for the year 2012. The company continues to expect 2012 sales to grow in the range of 10% to 14%, and 2012 EPS in the range of $9.90 to $10.65. The company expected the effective tax rate for 2012 to be 37.9%. The company also expects operating margin expansion of 20 to 50 basis points including Fabory and 50 to 80 basis points on an organic basis.