EX-23 4 exhibit23consent2017.htm EXHIBIT 23
Exhibit 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statements (Form S-8 No.'s 33-43902, 333-24215, 333-61980, 333-105185, 333-124356, 333-166345, 333-203715, Form S-4 No. 33-32091 and Form S-3 No. 333-203444) for W.W. Grainger, Inc. and in the related prospectuses of our reports dated February 26, 2018, with respect to the consolidated financial statements of W.W. Grainger, Inc. and the effectiveness of internal control over financial reporting of W.W. Grainger, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2017.
/s/ Ernst & Young LLP
Chicago, Illinois
February 26, 2018