CLEVELAND, Feb. 16, 2011 /PRNewswire/ -- Cliffs Natural Resources Inc. (NYSE: CLF) (Paris: CLF) today reported fourth-quarter and full-year results for the period ended Dec. 31, 2010. Record full-year revenues of $4.7 billion increased $2.3 billion, or over 100%, from the previous year.

Regulatory News: ArcelorMittal today announces that it will acquire Wabush Mines, an iron ore and pellet producer in northeastern Canada. The company will exercise the option ("right of first refusal") that its Dofasco subsidiary had on the Wabush Mines Joint Venture.