ST. LOUIS, April 4, 2011 -- Arch Coal, Inc. (NYSE: ACI) will discuss its first quarter 2011 financial results in a conference call that will be broadcast live over the Internet on Tuesday, April 26 at 11:00 a.m. E.D.T. Participating on the call will be Arch's Chairman and Chief Executive Officer Steven F. Leer, President and Chief Operating Officer John W. Eaves, and Senior Vice President and Chief Financial Officer John T. Drexler.

The webcast will be accessible via the "investor" section of the Arch Coal Web site at http://investor.archcoal.com/. Following the live event, a replay and podcast 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 26, and will be posted to the company's Web site at that time.

U.S.-based Arch Coal is one of the largest coal producers in the world, with more than 160 million tons of coal sold in 2010. Arch's national network of mines supplies cleaner-burning, low-sulfur coal to customers on four continents, including U.S. and international power producers and steel manufacturers.