Exhibit

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No's. 333-188979, 333-188978, 333-81857, 333-81847, 333-81845, 333-81841, 333-91187 and 333-172531) of WESCO International, Inc. of our report dated February 22, 2016 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.