U.S.-based Arch Coal, Inc. (NYSE:ACI) is a top five global coal producer and marketer, with 179 million tons of coal sold pro forma from our national network of mines in 2010. In total, we contribute about 16% of America's coal supply from our 23 mining complexes in Wyoming, Utah, Colorado, Illinois, West Virginia, Kentucky, Virginia and Maryland. Arch's national network of mines supplies cleaner-burning, low-sulfur thermal and metallurgical coal to power generators and steel manufacturers on four continents.

We control a vast domestic reserve base totaling 5.5 billion tons. Of that total, 73% is low in sulfur.

We're proud stewards of safety and the environment, and have amassed dozens of national and state awards of excellence.

Arch Coal is traded on the New York Stock Exchange under the ticker symbol ACI.