St. Louis – August 11, 2000 - The board of directors of Arch Coal, Inc. (NYSE:ACI) today declared a quarterly dividend of 5.75 cents per share on the company’s common stock. The dividend is payable September 15, 2000, to shareholders of record on August 25, 2000.

Arch Coal is the nation’s second largest coal producer, with subsidiary operations in West Virginia, Kentucky, Virginia, Wyoming, Colorado and Utah. Through these operations, Arch provides the fuel for approximately 6% of the electricity generated in the United States.