X0303 4 2011-01-27 false 0000064279 MCMORAN EXPLORATION CO /DE/ MMR 0001070542 MCDONALD GABRIELLE K 1615 POYDRAS STREET NEW ORLEANS LA 70112 false false false true Advisory Director Common Stock 2011-01-27 4 P false 3000 15.5176 A 24105 D Amount beneficially owned following the reported transactions includes 5,625 Common Stock Restricted Stock Units. The price reported represents the weighted average price of the shares purchased. Shares were purchased at varying prices in the range of $15.509 - $15.52. The Reporting Person hereby undertakes, upon request of the Staff of the U.S. Securities and Exchange Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. Kelly C. Simoneaux on behalf of Gabrielle K. McDonald pursuant to a power of attorney 2011-01-28