ST. LOUIS, Sept. 17, 2013 -- Arch Coal, Inc. (NYSE:ACI) today published its fourth corporate social responsibility report, which covers the 2011 and 2012 calendar years.

The report outlines how Arch is delivering energy and resources to meet the world's growing demand in a responsible manner. Arch's careful mining practices include a proactive safety culture, a strong commitment to environmental excellence and enduring principles of good corporate stewardship.

"There's never been a more important time to make a positive difference," said Arch Coal President and CEO John Eaves. "We share a common vision for our future, one that includes a healthy economy, strong communities and a cleaner environment.

"I'm proud of the accomplishments featured in this report and of countless others that are not mentioned," said Eaves. "We're living our core values and executing on our deep-rooted commitment to continuous progress in everything we do."

To read the full report, go to http://responsible.archcoal.com.

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 more than 5 billion tons of high-quality metallurgical and thermal coal reserves, with access to all 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 different 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 numerous 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.