Chairman

James W. Boyd

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President

John T. Boyd II

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CEO

Carlos F. Barrera

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Managing Director and COO

Ronald L. Lewis

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Vice Presidents

Robert J. Farmer

Jisheng (Jason) Han

John L. Weiss

Michael F. Wick

William P. Wolf

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Managing Director - Australia

Jacques G. Steenekamp

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Managing Director - China

Rongjie (Jeff) Li

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Managing Director - North LATAM

Alejandro Echavarría

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Pittsburgh

4000 Town Center Boulevard, Suite 300

Canonsburg, PA 15317

(724) 873-4400

(724) 873-4401 Fax

[email protected]

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Denver

(303) 293-8988

[email protected]

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Brisbane

61 7 3232-5000

[email protected]

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Beijing

86 10 6500-5854

[email protected]

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Bogota

+57-3187072308

[email protected]

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www.jtboyd.com

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March 12, 2026

File: 3467.009

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Subject:CONSENT OF JOHN T. BOYD COMPANY

TO BE NAMED IN REGISTRATION STATEMENT

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Ladies and Gentlemen:

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The undersigned hereby consents to the references to our firm in the form and context in which they appear in this Annual Report on Form 10-K for the year ended December 31, 2025 (as may be amended, the “Annual Report”). We hereby further consent to (i) the use in the Annual Report of information relating to our Technical Report Summary (Coal Resources and Coal Reserves, Oaktown Mining Complex), dated March 2025 (the “Report”), providing an update of estimated coal reserves at the Oaktown Mining Complex as of December 31, 2024 and (ii) the incorporation by reference of the Report in the Registration Statements on Form S-3 (Nos. 333-273325, 333-273327 and 333-292694,) and the Registration Statements on Form S-8 (Nos. 333-163431, 333-171778, 333-261930 and 333-288381) of Hallador Energy Company, including any amendment thereto, any related prospectus and any related prospectus supplement of such information.

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Respectfully submitted,

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JOHN T. BOYD COMPANY

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By:/S/ RONALD LEWIS

Ronald Lewis

Managing Director and COO