Attached files

file filename
EX-23.4 - EX-23.4 - CONSENT OF SRK CONSULTING - HYCROFT MINING HOLDING CORPexhibit234-consentofsrkcon.htm
EX-95.1 - EX-95.1 - MINE SAFETY DISCLOSURES* - HYCROFT MINING HOLDING CORPexhibit951-minesafetydiscl.htm
EX-32.2 - EX-32.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER - HYCROFT MINING HOLDING CORPexhibit322-certificationof.htm
EX-32.1 - EX-32.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER - HYCROFT MINING HOLDING CORPexhibit321-certificationof.htm
EX-31.2 - EX-31.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER - HYCROFT MINING HOLDING CORPexhibit312-certificationof.htm
EX-31.1 - EX-31.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER - HYCROFT MINING HOLDING CORPexhibit311-certificationof.htm
EX-23.5 - EX-23.5 - CONSENT OF RICHARD DELONG - HYCROFT MINING HOLDING CORPexhibit235-consentofrichar.htm
EX-23.3 - EX-23.3 - CONSENT OF STEVEN NEWMAN - HYCROFT MINING HOLDING CORPexhibit233-consentofsteven.htm
EX-23.1 - EX-23.1 - CONSENT OF PLANTE & MORAN - HYCROFT MINING HOLDING CORPexhibit231-consentofplante.htm
EX-21.1 - EX-21.1 - SUBSIDIARIES OF THE REGISTRANT - HYCROFT MINING HOLDING CORPexhibit211-subsidiaries.htm
EX-4.5 - EX-4.5 - WARRANT ADJUSTMENT CERTIFICATE, DATED NOVEMBER 9, 2020 - HYCROFT MINING HOLDING CORPexhibit45-warrantadjustmen.htm
10-K - 10-K - HYCROFT MINING HOLDING CORPhymc-20201231.htm


M3 Engineering & Technology Corporation
2051 W. Sunset Road, Ste. 101
Tucson, Arizona 85707

CONSENT OF THIRD-PARTY QUALIFIED PERSON
M3 Engineering & Technology Corporation (“M3”), in connection with the filing of the Hycroft Mining Holding Corporation Annual Report on Form 10-K, consent to:
the filing and use of the technical report summary titled “Hycroft Project, Technical Report Summary, Heap Leaching Feasibility Study, Winnemucca, Nevada, USA” (the “Technical Report”), with an effective date of July 31, 2019, as an exhibit to and referenced in the Form 10-K;
the use of and references to our name, including our status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report; and
the information derived, summarized, quoted or referenced from the Technical Report, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.
M3 also consents to the incorporation by reference in Hycroft Mining Holding Corporation’s registration statement on Form S-8 (No. 333-249620) of the above items as included in the Form 10-K.
M3 is responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:
Section 2: Introduction
Section 10: Mineral Processing and Metallurgical Testing
Section 14: Recovery Methods
Section 15: Project Infrastructure
Section 18: Capital and Operating Costs
Section 19: Economic Analysis
Section 24: References
Section 25: Reliance on Other Experts
Corresponding Subsections of Section 1: Executive Summary
Corresponding Subsections of Section 18: Capital and Operating Costs
Corresponding Subsections of Section 22: Interpretation and Conclusions
Corresponding Subsections of Section 23: Recommendations
March 24, 2020



/s/ M3 Engineering & Technology Corporation

Signature of Authorized person for
M3 Engineering & Technology Corporation, a Qualified Third-Party Firm


M3 Engineering & Technology Corporation

Print name of Authorized Person for
M3 Engineering & Technology Corporation, a Qualified Third-Party Firm