Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. T00829-S38550 1a. Approval of the potential issuance of shares of our common stock underlying (i) common warrants (the “Private Placement Warrants”) to purchase up to 16,129,033 shares of common stock issued in April 2026 and (ii) placement agent warrants (the “Placement Agent Warrants”) to purchase up to an aggregate of 2,258,064 shares of common stock, consisting of Placement Agent Warrants to purchase up to 1,129,032 shares of common stock issued in April 2026 and Placement Agent Warrants to purchase up to 1,129,032 shares of common stock that are issuable upon exercise of the Private Placement Warrants, in each case in connection with a registered direct offering of shares of our common stock and a concurrent private placement of accompanying warrants. For 1b. Approval of the potential issuance of shares of our common stock underlying previously issued common warrants to purchase up to 2,142,854 shares of common stock. For 2. Approval of the amendment of our Restated Certificate of Incorporation, as amended, to increase the total number of shares of our common stock authorized for issuance from 260,000,000 shares to 600,000,000 shares. For 3. Approval of the amendment of our Restated Certificate of Incorporation, as amended to effect a reverse stock split of our issued and outstanding common stock, and a corresponding and proportionate reduction in the number of authorized shares of common stock, at a ratio of 1-for-10 to 1-for-50, to be determined in the sole discretion of the Board of Directors. For NOTE: In his discretion, the named proxy is authorized to vote on such other business that may properly come before the meeting or any adjournment or postponement thereof. Voting Items Board Recommends