Item 7.01 Regulation FD Disclosure.

On September 6, 2012, John W. Eaves, President and Chief Executive Officer of Arch Coal, Inc. (the "Company"), will deliver a presentation at the Barclays Capital 2012 CEO Energy/Power Conference. The slides from the presentation are attached as Exhibit 99.1 hereto and are hereby incorporated by reference.

The information contained in Item 7.01 and the exhibits attached hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the "Securities Act") or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

The following exhibits are attached hereto and filed herewith.

Exhibit
No. Description
99.1 Slides from the Barclays Capital 2012 CEO Energy/Power Conference.

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