ST. LOUIS, Jan.

ST. LOUIS, Oct.

ST. LOUIS, Oct. 1, /PRNewswire-FirstCall/ -- Arch Coal, Inc. (NYSE: ACI) today announced that it has completed the acquisition of Rio Tinto's Jacobs Ranch mine for a purchase price of approximately $764 million, which includes an estimate for working capital adjustments.

ST. LOUIS, Aug. 20 /PRNewswire-FirstCall/ -- Arch Coal, Inc. (NYSE: ACI) today announced that it has received antitrust clearance from the Federal Trade Commission ("FTC") in connection with the company's pending acquisition of Rio Tinto's Jacobs Ranch mine in the Powder River Basin of Wyoming.

ST.