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Exhibit 23
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in:
Registration Statement No. 333-237324 on Form S-3;
Registration Statement No. 333-184620 on Form S-8 pertaining to the Cliffs Natural Resources Inc. 2012 Incentive Equity Plan;
Registration Statement No. 333-197687 on Form S-8 pertaining to the Cliffs Natural Resources Inc. Amended and Restated 2012 Incentive Equity Plan;
Registration Statement No. 333-197688 on Form S-8 pertaining to the Cliffs Natural Resources Inc. 2014 Nonemployee Directors’ Compensation Plan;
Registration Statement No. 333-204369 on Form S-8 pertaining to the Cliffs Natural Resources Inc. 2015 Equity and Incentive Compensation Plan;
Registration Statement No. 333-210954 on Form S-8 pertaining to the Cliffs Natural Resources Inc. Amended and Restated 2014 Nonemployee Directors’ Compensation Plan;
Registration Statement No. 333-217506 on Form S-8 pertaining to the Cliffs Natural Resources Inc. Amended and Restated 2015 Equity and Incentive Compensation Plan; and
Registration Statement No. 333-237144 on Form S-8 pertaining to the Cliffs Natural Resources Inc. Amended and Restated 2015 Equity and Incentive Compensation Plan;
of our reports dated February 26, 2021, relating to the financial statements of ÐÇ¿Õ´«Ã½ Inc. and the effectiveness of ÐÇ¿Õ´«Ã½ Inc.’s internal control over financial reporting, appearing in this Annual Report on Form 10-K for the year ended December 31, 2020.
/s/ DELOITTE & TOUCHE LLP
Cleveland, Ohio
February 26, 2021