ST. LOUIS, April 5, 2013 -- Arch Coal, Inc. (NYSE:ACI) will discuss its first quarter 2013 financial results in a conference call that will be webcast live on Tuesday, April 23 at 10:00 a.m. Eastern time.  Participating on the call will be Arch's President and Chief Executive Officer John W. Eaves, Executive Vice President and Chief Operating Officer Paul A. Lang and Senior Vice President and Chief Financial Officer John T. Drexler.

The webcast will be accessible via the "investor" section of the Arch Coal website at http://investor.archcoal.com.  Following the live event, a replay and an audio download will be available on the site for approximately one month.

Arch Coal's first quarter earnings release will be distributed via PR Newswire before the market opens on Tuesday, April 23, and will be posted to the company's website at that time.

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 in 25 countries on five continents.  Its network of mining complexes is the most diversified in the United States, spanning every major coal basin in the nation.  The company controls a 5.5-billion-ton reserve base of high-quality metallurgical and thermal coals, with access to all major railroads, inland waterways and a growing number of seaborne trade channels.  For more information, visit www.archcoal.com.