Exhibit

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-188315, 333-190335) and Form S-8 (Nos. 333-207846, 333-183051, 333-162890, 333-190336) of ALLETE, Inc. of our reportdated 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.