Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report betfred reviewsof Cleveland-Cliffs Inc. (the “Company”) on Form 10-K for the period ended December 31, 2019, as filed with the Securities and Exchange Commission on the date hereof (the &betfred reviews#8220;Form 10-K”), I, Lourenco Goncalves, Chairman, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section&betfred games#160;906 of the Sarbanes-Oxley Act of 2002, that, to such officer’s knowledge:
(1)
The Form 10-K fully complies with the requirements of Section 13(a) or 15(d) of the Securities betfred reviewsExchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
(2)
The information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations betfred sportsbook reviewof the Company as of the dates and for the periods expressed in the Form 10-K.
Date:
 
February 20, 2020
 
 
 
 
 
 
By:
/s/ Lourenco Goncalves
 
 
 
Lourenco Goncalves
 
 
 
Chairman, President and Chief Executive Officer