Goodrich Sean → BOOST RUN INC. BRUNW

The SPV acquired its securities pursuant to the Transfer Agreement in connection with the Business Combination. On June 10, 2026, the transfer of 1,272,885 shares of Class A Common Stock and 1,101,986 Private Warrants from the Sponsor to the SPV was completed. In connection with this transfer, the Company instructed Continental Stock Transfer & Trust Company, the Company's transfer agent, to remove the escrow legend from the transferred securities and to deliver such securities to the SPV bearing the Insider Letter Agreement legend and the Rule 144 affiliate legend. Mr. Goodrich serves as a non-employee member of the Board of Directors of Boost Run Inc. As a director of the Company, Mr. Goodrich may have influence over the corporate activities of the Company, including activities which may relate to the transactions described in clauses (a) through (j) of Item 4 of Schedule 13D. Pursuant to the Earnout Agreement dated September 15, 2025 (the "Earnout Agreement"), the SPV was entitled to earn up to 1,968,750 additional shares of Class A Common Stock ("SPV Earnout Shares") based upon the Class A Common Stock achieving volume-weighted average price ("VWAP") performance thresholds of $12.50, $15.00, and $17.50 per share during the three-year Earnout Period following the closing of the Business Combination. On June 11, 2026, all 1,968,750 SPV Earnout Shares were issued to the SPV. The Private Warrants held by the SPV contain a 4.9% (or 9.8% at the holder's election) beneficial ownership limitation, restricting exercise to the extent that exercise would cause the holder's beneficial ownership to exceed such threshold. The Reporting Persons may from time to time acquire additional securities of the Company, or sell or otherwise dispose of securities of the Company, in open market transactions, in privately negotiated transactions, or otherwise, in any manner permitted by applicable law. Except as set forth herein, the Reporting Persons do not have any present plans or proposals that relate to or would result in any of the actions specified in clauses (a) through (j) of Item 4 of Schedule 13D, although the Reporting Persons reserve the right to develop such plans or proposals in the future.