Item 7.01 Regulation FD Disclosure.

Beginning on May 22, 2012, and at other times thereafter, the attached slides will be presented to various investors by the senior management team of Arch Coal, Inc. The slides from the presentation are attached hereto as Exhibit 99.1 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 exhibit is attached hereto and furnished herewith.

Exhibit
No. Description

99.1 Arch Coal, Inc. Investor Presentation Slides

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