This excerpt taken from the GWW 10-Q filed Aug 2, 2006.
8.5 Certificate Legend. In addition to any legends placed on certificates pursuant to Section 8.4, each certificate representing Shares of Restricted Stock granted pursuant to this Plan may bear a legend such as the following or as otherwise determined by the Committee in its sole discretion:
The sale or transfer of Shares of stock represented by this certificate, whether voluntary, involuntary, or by operation of law, is subject to certain restrictions on transfer as set forth in the W.W. Grainger, Inc. 2005 Incentive Plan, and in the associated Award Agreement. A copy of this Plan and such Award Agreement may be obtained from W.W. Grainger, Inc.