Cliffs Natural Resources : to Announce Fourth-Quarter and Full-Year 2016 Results on February 9

NEWS RELEASE

Cliffs Natural Resources Inc. to Announce Fourth- Quarter and Full-Year 2016 Results on February 9

1/5/2017

CLEVELAND, Jan. 5, 2017 /PRNewswire/ -- Cliffs Natural Resources Inc. (NYSE: CLF) today said it will be announcing fourth-quarter and full-year 2016 financial results before the U.S.-market open on Thursday, February 9, 2017.

The Company invites interested parties to listen to a live broadcast of a conference call with securities analysts and institutional investors to discuss the results.

When: Thursday, February 9, 2017, at 10 a.m. ET

Hosts: Lourenco Goncalves, Chairman, President and Chief Executive Officer

Tim Flanagan, Executive Vice President, Chief Financial Officer & Treasurer

Web Address: http://www.cliffsnaturalresources.com

If you are unable to participate during the live webcast, the call will be archived at

http://www.cliffsnaturalresources.com.

About Cliffs Natural Resources Inc.

Cliffs Natural Resources Inc. is a leading mining and natural resources company in the United States. The Company

is a major supplier of iron ore pellets to the North American steel industry from its mines and pellet plants located

in Michigan and Minnesota. Cliffs also operates an iron ore mining complex in Western Australia. Driven by the core values of safety, social, environmental and capital stewardship, Cliffs' employees endeavor to provide all stakeholders operating and financial transparency. News releases and other information on the Company are available at www.cliffsnaturalresources.com.

To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/cliffs-natural- resources-inc-to-announce-fourth-quarter-and-full-year-2016-results-on-february-9-300386184.html

SOURCE Cliffs Natural Resources Inc.

Patricia Persico, Director, Global Communications, (216) 694-5316; Paul Finan, Director, Investor Relations, (216) 694-6544