Arch Coal (NYSE:ACI) Announces Quarterly Dividend

              Arch Coal (NYSE:ACI) Announces Quarterly Dividend

PR Newswire

ST. LOUIS, Oct. 25, 2012

ST. LOUIS, Oct. 25, 2012 /PRNewswire/ -- The board of directors of Arch Coal,
Inc. (NYSE:ACI) today declared a quarterly cash dividend of $0.03 per share on
the company's common stock. The dividend is payable December 14, 2012 to
shareholders of record on November 30, 2012.

(Logo: http://photos.prnewswire.com/prnh/20120727/CG47668LOGO)

U.S.-based Arch Coal is a top five global coal producer and marketer. Arch is
the most diversified American coal company, with mining complexes across every
major U.S. coal supply basin. Its core business is supplying cleaner-burning,
low-sulfur thermal and metallurgical coal to power generators and steel
manufacturers on five continents.

SOURCE Arch Coal, Inc.

Website: http://www.archcoal.com
Contact: Kim Link, +1-314-994-2936