HALLADOR ENERGY CO

For the period ended Sep 30, 2026. Filed Nov 9, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 9, 2026

HNRG$10.59+4.9%Stored close · as of Nov 9, 2026

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Contents

ITEM 6. EXHIBITS

Exhibit No.	Document
10.1	Credit Agreement Dated as of September 15, 2026 by and among Hallador Energy Company and Turtle Creek Gas Holdings, LLC and US Bank Trust Company, National Association, as Administrative Agent *
31.1	SOX 302 Certification - Chief Executive Officer*
31.2	SOX 302 Certification - Chief Financial Officer*
31.3	SOX 302 Certification – Chief Accounting Officer*
32	SOX 906 Certification*
95.1	Mine Safety Disclosure*
101.INS	Inline XBRL Instance Document*
101.SCH	Inline XBRL Schema Document*
101.CAL	Inline XBRL Calculation Linkbase Document*
101.LAB	Inline XBRL Labels Linkbase Document*
101.PRE	Inline XBRL Presentation Linkbase Document*
101.DEF	Inline XBRL Definition Linkbase Document*
104	Cover Page Interactive Data File (embedded with the Inline XBRL document)*

*Filed herewith.

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.