General Moly, Inc. — Proxy Solicitation & Information Statement 2020

Apr 30, 2020

REVOCABLE PROXY GENERAL MOLY, INC. 1726 Cole Blvd., Ste. 115 Lakewood, Colorado 80401 THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS This proxy revokes all prior proxies with respect to the Annual Meeting. Receipt of the Notice of Annual Meeting and the Proxy Statement relating to the Annual Meeting is hereby acknowledged. The undersigned hereby appoints R. Scott Roswell and Michael K. Branstetter (collectively, the “Proxies”), and each of them, with full power of substitution, as proxies to vote all of the shares of Common Stock of General Moly, Inc. (the “Company”) that the undersigned is entitled to vote at the 2020 Annual Meeting of Stockholders of the Company to be held on June 19, 2020, and any adjournment thereof. Such shares shall be voted as indicated with respect to the proposals listed on this proxy and in the Proxies’ discretion on such other matters as may properly come before the meeting or any adjournment thereof. Each of the proposed items below are described in the Proxy Statement that accompanies this revocable proxy, and the descriptions herein are qualified in their entirety by the information set forth in the Proxy Statement. THIS PROXY IS CONTINUED ON THE REVERSE SIDE. PLEASE SIGN AND DATE ON THE REVERSE SIDE AND RETURN PROMPTLY PLEASE DETACH ALONG PERFORATED LINE AND MAIL IN THE ENVELOPE PROVIDED. Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Stockholders to be held June 19, 2020 The Proxy Statement and our Annual Report are available at: http://generalmoly.com/investors/proxy-materials/

==> picture [414 x 534] intentionally omitted <==

==> picture [426 x 3] intentionally omitted <==

----- Start of picture text -----

Please mark votes as in this example The Board of Directors recommends a vote FOR each of the nominees listed in Proposal 1 and FOR each of Proposals 2 through 4. PROPOSAL 1 Election of two Class I members to the Board of Directors: Nominees: PROPOSAL 3 Approve an amendment to the Company’s certificate of incorporation to provide the Board of Directors the flexibility to effect a reverse stock split of the Company’s common stock. FOR AGAINST ABSTAIN PROPOSAL 4 Ratify the selection of Plante & Moran, PLLC as the Company’s independent registered accounting firm for the fiscal year ending December 31, 2020. FOR AGAINST ABSTAIN This proxy, when properly executed, will be voted in the manner directed herein by the undersigned stockholder. If this proxy is properly executed and returned, but no direction is made, this proxy will be voted by the Proxies FOR each of the nominees for director in Proposal 1 and FOR each of Proposals 2, 3, and 4. I plan to attend the Annual Meeting Please sign exactly as name appears adjacent. When shares are held by joint tenants, both should sign. When signing as attorney, as executor, administrator, trustee or guardian, please give full title as such. If a corporation, please sign in full corporate name by President or other authorized officer. If a partnership, please sign in partnership name by authorized person. FOR AGAINST ABSTAIN FOR AGAINST ABSTAIN 01 Gary A. Loving 02 Gregory P. Raih PROPOSAL 2 An advisory vote to approve executive compensation. FOR AGAINST ABSTAIN Date: Signature Signature (if held jointly) Address Change/Comments: (If you noted any Address Changes and/or Comments above, please mark box.) CONTROL NUMBER PLEASE DETACH ALONG PERFORATED LINE AND MAIL IN THE ENVELOPE PROVIDED. CONTROL NUMBER PROXY VOTING INSTRUCTIONS Please have your 11 digit control number ready when voting by Internet or Telephone it in the postage-paid envelope MAIL Vote Your Proxy by Mail: Mark, sign, and date your proxy card, then detach it, and return provided. TELEPHONE Vote Your Proxy by Phone: Call 1 (866) 804-9616 Use any touch-tone telephone to vote your proxy. Have your proxy card available when you call. Follow the voting instructions to vote your shares. INTERNET Vote Your Proxy on the Internet: Go to www.AALvote.com/GMO Have your proxy card available when you access the above website. Follow the prompts to vote your shares.
----- End of picture text -----

==> picture [482 x 792] intentionally omitted <==