Arch Coal,Inc. (NYSE:ARCH) Files An 8-K Results of Operations and Financial Condition
Item 2.02 Results of Operations and Financial Condition.

On October31, 2017, Arch Coal,Inc. (the “Company”) issued a press release containing its third quarter 2017 financial results. A copy of the press release is attached hereto as exhibit 99.1.

The information contained in this Item 2.02, including Exhibit99.1, is being furnished and 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. The information in this Item 2.02, including Exhibit99.1, shall not be incorporated into 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.