Cliffs Natural Resources Inc. today announced the pricing of its public offering of common and mandatory convertible preferred shares. The Company has agreed to sell 9,000,000 of its common shares, par value $0.125 per share (or up to 10,350,000 Common Shares if the underwriters of such offering exercise their option to purchase additional Common Shares) at $29.00 per Common Share, and 27,000,000 of its depositary shares each representing a 1/40th interest in a share of its new 7.00% Series A Mandatory Convertible Preferred Stock, Class A, without par value, $1,000 liquidation preference per Mandatory Convertible Preferred Share (equivalent to $25 per Depositary Share) (or up to 31,050,000 Depositary Shares if the underwriters of such offering exercise their over-allotment option in full), at $25 per Depositary Share, in separate registered public offerings.