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John T. Boyd Company Mining and Geological Consultants |
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Chairman |
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March 14, 2019 | |
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James W. Boyd |
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File: 3084.018 | |
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President and CEO |
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John T. Boyd II |
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Cloud Peak Energy Inc. | |
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505 South Gillette Avenue | |
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Managing Director and COO |
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Gillette, WY 82716-4203 | |
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Ronald L. Lewis |
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Attention: |
Mr. Mark Arambel |
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Vice Presidents |
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Manager Geology |
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Robert J. Farmer |
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John L. Weiss |
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Subject: |
Consent of John T. Boyd Company |
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Michael F. Wick |
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William P. Wolf |
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Dear Sirs: | |
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Managing Director - Australia |
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We hereby consent to the use by Cloud Peak Energy Inc. (the Company) in connection with its annual report on Form 10-K for the year ended December 31, 2018 (Form 10-K), and any amendments thereto, and to the incorporation by reference in the Companys registration statement on Form S-3 (No. 333-214869) and in the Companys registration statements on Form S-8 (Nos. 333-224818, 333-217877, 333-211350, 333-175312, 333-175311 and 333-163295), of information contained in our report dated January 21, 2019, addressed to the Company, relating to certain coal reserves and resources information for the Companys Powder River Basin properties including setting forth the estimates of the Companys coal reserves in the Form 10-K. We also consent to the reference to John T. Boyd Company in those filings and any amendments thereto. | |
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Ian L. Alexander |
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Managing Director - China |
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Jisheng (Jason) Han |
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Managing Director South America |
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Carlos F. Barrera |
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Managing Director Metals |
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Gregory B. Sparks |
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Assistant to the President |
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Mark P. Davic |
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Respectfully submitted, | |
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Pittsburgh |
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JOHN T. BOYD COMPANY | |
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4000 Town Center Boulevard, Suite 300 |
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By: | |
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Canonsburg, PA 15317 |
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(724) 873-4400 |
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/s/ Ronald L. Lewis | |
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(724) 873-4401 Fax |
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Ronald L. Lewis | |
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jtboydp@jtboyd.com |
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Managing Director and COO | |
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Denver |
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(303) 293-8988 |
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jtboydd@jtboyd.com |
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Brisbane |
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61 7 3232-5000 |
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jtboydau@jtboyd.com |
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Beijing |
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86 10 6500-5854 |
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Bogota |
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+57-3115382113 |
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www.jtboyd.com |
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