Attached files

file filename
10-Q - QUARTERLY REPORT - CLEVELAND-CLIFFS INC.d10q.htm
EX-4.(A) - FORM OF COMMON SHARE CERTIFICATE - CLEVELAND-CLIFFS INC.dex4a.htm
EX-31.(B) - SECTION 302 CFO CERTIFICATION - CLEVELAND-CLIFFS INC.dex31b.htm
EX-31.(A) - SECTION 302 CEO CERTIFICATION - CLEVELAND-CLIFFS INC.dex31a.htm
EX-32.(A) - SECTION 906 CEO CERTIFICATION - CLEVELAND-CLIFFS INC.dex32a.htm

Exhibit 32(b)

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 Quarterly Report of Cliffs Natural Resources Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Form 10-Q”), I, Laurie Brlas, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to such officer’s knowledge:

 

  (1)

The Form 10-Q fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

 

  (2)

The information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods expressed in the Form 10-Q.

 

Date:

 

April 29, 2010

/s/ Laurie Brlas

     Laurie Brlas

     Executive Vice President and

     Chief Financial Officer