HYMC Hycroft Mining Holding Corporation

You May Vote Your Proxy When You View The Material On The Internet. You Will Be Asked To Follow The Prompts To Vote Your Shares. Hycroft Mining Holding Corporation 4300 Water Canyon Road, Unit #1 Winnemucca, NV 89445 NOTICE OF ANNUAL MEETING OF STOCKHOLDERS to be held on June, 2, 2022 *Stockholders are cordially invited to attend the Annual Meeting virtually and vote in person. At the meeting, you will need to request a ballot to vote your shares. Dear Stockholder, The 2022 Annual Meeting of Stockholders of Hycroft Mining Holding Corporation will be held virtually on Thursday, June 2, 2020 at 8:30 a.m. Pacific time. Proposals to be considered at the Annual Meeting: (1) To consider and act upon a proposal to elect to the Company’s Board of Directors the seven persons nominated by the Board of Directors; (2) To consider and act upon a proposal to approve an amendment to the HYMC 2020 Performance and Incentive Pay Plan to increase the number of shares available for issuance by 12.0 million shares; (3) To consider and act upon a proposal to ratify the appointment of Plante & Moran, PLLC as the Company’s independent registered public accounting firm for the 2022 fiscal year; ending December 31, 2022; (4) To address such other matters as may properly come before the 2022 annual meeting or any adjournment or postponement thereof. The Board of Directors recommends a vote “FOR” all nominees under Proposal 1, and “FOR” Proposals 2 and 3. Your electronic vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed, dated, and returned the proxy card. The Proxy Materials are available for review at: https://www.cstproxy.com/hycroftmining/2022 CONTROL NUMBER Hycroft Mining Holding Corporation c/o Continental Proxy Services 1 State Street, New York NY 10004 20088 Hycroft Proxy Notice_REV3 - Front Vote Your Proxy on the Internet: Go to http://www.cstproxyvote.com Have your notice available when you access the above website. Follow the prompts to vote your shares. Vote during the Meeting – If you plan to attend the virtual online annual meeting, you will need your 12 digit control number to vote electronically during the annual meeting. To attend the annual meeting, visit: https://www.cstproxy.com/hycroftmining/2022