| Filed On | Filing |
|---|---|
| 26 Feb 2021 | PRE 14A |
| 28 Feb 2017 | PRE 14A |
| 23 May 2014 | PRE 14A |
| 13 Mar 2013 | CLIFFS NATURAL RESOURCES INC. - PRE 14A |
| 13 Mar 2012 | PRE 14A |
| 14 Mar 2011 | PRELIMINARY PROXY STATEMENT |
| 16 Mar 2010 | PRELIMINARY PROXY STATEMENT |
| 22 Aug 2008 | CLEVELAND-CLIFFS INC. PRE 14A |
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