FOR FURTHER INFORMATION:

Deck S. Slone Vice President, Investor and Public Relations (314) 994-2717

October 25, 2001



Arch Coal board declares quarterly dividend

St. Louis - October 25, 2001 - The board of directors of Arch Coal, Inc. (NYSE:ACI) today declared a quarterly dividend of $.0575 per share on the company's common stock. The dividend is payable December 14, 2001, to shareholders of record on December 5, 2001.

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.