Quantum Computing Inc. QUBT Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award

The 2023 SBC Awards included 854 thousand shares of the Company’s common stock issued to 35 employees as payment in lieu of cash for 2022 performance bonuses (the “2023 Performance Incentive Shares”) and 1.5 million shares of the Company’s common stock as long-term incentive bonuses to five employees identified as key technical staff (the “2023 Retention Incentive Shares”). The 2023 Performance Incentive Shares are restricted and vested in equal halves on the December 31, 2023 and 2024. As of December 31, 2024, the Company canceled 23,600 of the issued shares that were forfeited by employees no longer with the Company and does not expect future expense related to these offerings as they are fully vested. The 2023 Retention Incentive Shares are restricted and vest annually in equal amounts over a five-year period as follows: twenty percent (20%) vested or will vest on each December 31 of 2023, 2024, 2025, 2026 and 2027, subject to the grantee continuing to perform services for the Company in the capacity in which the grant was received on each applicable vesting date. In conjunction with the 2023 Performance Incentive Shares, the Company recognized $462 of stock-based compensation expense during the year ended December 31, 2025 and does not expect future expense related to these offerings as they are fully vested. In conjunction with the 2023 Retention Incentive Shares, the Company recognized $426 thousand, $533 thousand and $320 thousand of stock-based compensation expense during the years ended December 31, 202 December 31, 2024 and 2023, respectively, and expects future expense related to these offerings to total $852 thousand over the remaining vesting periods.