St. Louis, July 10, 2012 — Patriot Coal Corp., a producer and marketer of coal products in the Eastern U.S., and most of its units have filed voluntary petitions for reorganization under Chapter 11 of the Bankruptcy Code in the Bankruptcy Court for the Southern District of New York. Patriot has taken this action to undertake a comprehensive financial restructuring. Patriot expects its mining operations and customer shipments to continue in the ordinary course throughout the reorganization process. Patriot believes that the protection afforded by a court-supervised reorganiz...