Arch Coal,Inc. (NYSE:ARCH) Files An 8-K Regulation FD Disclosure
Item 7.01 Regulation FD Disclosure.

Beginning on or about March13, 2018, and at other times thereafter, members of the senior management team of Arch Coal,Inc. (the “Company”), will use the attached slides in various investor presentations. The slides from the presentation are attached as Exhibit99.1 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 Section18 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.