Item 7.01 Regulation FD Disclosure.
On April 23, 2009, Steven F. Leer, Chairman and Chief Executive Officer of Arch Coal, Inc. (the "Company"), will deliver a presentation at the Company's 2009 annual stockholders' meeting. The slides from the presentation are attached as Exhibit 99.1 hereto and are hereby incorporated by reference.
A copy of the slides will be available at http://investor.archcoal.com/events.cfm for 30 days. 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 presentation at the 2009 annual stockholders' meeting.

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Signatures Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: April 23, 2009 Arch Coal, Inc.

By: /s/ Robert G. Jones Robert G. Jones Senior Vice President - Law, General Counsel and Secretary

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