McMoRan Exploration Co. Declares Quarterly Cash Dividends on Preferred Stocks08:31 EST Friday, January 18, 2013 NEW ORLEANS (Business Wire) -- McMoRan Exploration Co. (NYSE: MMR) today declared the following cash dividends payable on February 15, 2013 to holders of record as of February 1, 2013 on its preferred stocks: $14.375 per share of MMR's 5¾% Convertible Perpetual Preferred Stock. $20.00 per share of MMR's 8% Convertible Perpetual Preferred Stock. McMoRan Exploration Co. is an independent public company engaged in the exploration, development and production of natural gas and oil in the shallow waters of the Gulf of Mexico Shelf and onshore in the Gulf Coast area. Additional information about McMoRan is available on its internet website “www.mcmoran.com”. McMoRan Exploration Co.Financial & Media Contact:David P. Joint, 504-582-4203