On August 18, 2026 (the "Closing Date" and the "Effective Date"), Datavault AI Inc. (the "Company") entered into a Securities Purchase Agreement (the "Purchase Agreement") with Streeterville Capital, LLC, a Utah limited liability company and accredited investor (the "Investor"), and completed the initial closing of the transactions contemplated thereby. Pursuant to the Purchase Agreement, the Company issued and sold to the Investor (i) an unsecured convertible promissory note in the original principal amount of $25,030,000 (the "Note"), which is convertible into shares of the Company’s common stock, par value $0.0001 per share (the "Common Shares"), and (ii) 15,000,000 Common Shares to be used as pre-delivery shares (the "Pre-Delivery Shares"), for an aggregate purchase price of $25,001,500, consisting of $25,000,000 for the Note and $1,500 for the Pre-Delivery Shares. The Common Shares issuable upon conversion of, or otherwise pursuant to, the Note and any Additional Notes (as defined below) are referred to herein as the "Conversion Shares." Pursuant to the Purchase Agreement, the Investor also received the right to purchase from time to time up to $25,000,000 in aggregate principal amount of additional unsecured convertible promissory notes (the "Additional Notes"), in connection with which the Company may issue additional pre-delivery shares (the "Additional Pre-Delivery Shares"), in each case as described below.