Occidental Petroleum Corporation Names Cynthia L. Walker Chief Financial Officer

Occidental Petroleum Corporation OXY today announced the appointment of Cynthia L. Walker as Executive Vice President and Chief Financial Officer, effective August 6, 2012. Ms. Walker will assume the position from James M. Lienert, who has been Occidental's Chief Financial Officer for the past two years. Mr. Lienert will continue with the Company as Executive Vice President – Business Support.