ST. LOUIS, July 27, 2015 /PRNewswire/ -- Arch Coal, Inc. ("Arch") (NYSE:ACI) today announced that for administrative purposes it is postponing its previously announced one-for-ten reverse stock split of Arch's common stock.  The reverse stock split previously was expected to take place after market close on July 27, 2015.  As a result of the postponement, the reverse stock split is expected to take place after market close on August 3, 2015 (the "Effective Time").  It also is expected that Arch's common stock will begin trading on a split-adjusted basis on the New York Stock Exchange ("NYSE") at the market open on August 4, 2015.  While Arch's common stock will continue to trade on the NYSE under the symbol "ACI," the new CUSIP number following the effectiveness of the reverse stock split will be 039380308.  Questions relating to the reverse stock split can be directed to Arch's transfer agent, American Stock Transfer & Trust Company, LLC, who can be reached at (877) 248-6417 or (718) 921-8317.

U.S.-based Arch Coal, Inc. is one of the world's top coal producers for the global steel and power generation industries, serving customers on five continents.  Its network of mining complexes is the most diversified in the United States, spanning every major coal basin in the nation.  Arch controls more than 5 billion tons of high-quality metallurgical and thermal coal reserves, with access to major railroads, inland waterways and a growing number of seaborne trade channels. For more information, visit www.archcoal.com.

Forward-Looking Statements:  This press release contains "forward-looking statements" – that is, statements related to future, not past, events.  In this context, forward-looking statements often address our expected future business and financial performance, and often contain words such as "expects," "anticipates," "intends," "plans," "believes," "seeks," or "will."  Forward-looking statements by their nature address matters that are, to varying degrees, uncertain.  For us, particular uncertainties arise from changes in the demand for our coal by the domestic electric generation industry; from legislation and regulations relating to the Clean Air Act and other environmental initiatives; from operational, geological, permit, labor and weather-related factors; from fluctuations in the amount of cash we generate from operations; from future integration of acquired businesses; and from many other matters of national, regional and global scale, including those of a political, economic, business, competitive or regulatory nature.  These uncertainties may cause our actual future results to be materially different than those expressed in our forward-looking statements.  We do not undertake to update our forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required by law.  For a description of some of the risks and uncertainties that may affect our future results, you should see the risk factors described from time to time in the reports we file with the Securities and Exchange Commission.

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SOURCE Arch Coal, Inc.