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Core Natural Resources, Inc.

For the period ended Nov 5, 2026. Filed Nov 5, 2026.

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About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Nov 5, 2026 · Filed Nov 5, 2026

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CNR$79.31+5.5%Stored close · as of Nov 6, 2026
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EX-99.1 · Availability of Additional Information

Availability of Additional Information

Please refer to our website, www.corenaturalresources.com, for additional information regarding the company. In addition, we may provide other information about the company from time to time on our website.

Investors seeking our detailed financial statements can refer to the Quarterly Report on Form 10-Q once it has been filed with the Securities and Exchange Commission (“SEC”).

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.