ISCO · International Stem Cell CORP

The shares underlying such option shall vest in equal quarterly increments through June 11, 2027, with the first increment vesting on September 11, 2026.

The shares underlying such option shall vest in equal quarterly increments through June 11, 2027, with the first increment vesting on September 11, 2026.

The shares underlying such option shall vest on the earlier of (a) June 11, 2027, or (b) the date of the next annual meeting of the Issuer's stockholders occurring after the date of grant.

The shares underlying such option shall vest on the earlier of (a) June 11, 2027, or (b) the date of the next annual meeting of the Issuer's stockholders occurring after the date of grant.

The shares underlying such option shall vest on the earlier of (a) June 17, 2026, or (b) the date of the next annual meeting of the Issuer's stockholders occurring after the date of grant.

The shares underlying such option shall vest in equal quarterly increments through June 17, 2026, with the first increment vesting on September 17, 2025.

The shares underlying such option shall vest in equal quarterly increments through June 17, 2026, with the first increment vesting on September 17, 2025.

The shares underlying such option shall vest on the earlier of (a) June 17, 2026, or (b) the date of the next annual meeting of the Issuer's stockholders occurring after the date of grant.

Options shall vest on the earlier of (i) June 11, 2025 or (ii) the date of the 2025 Annual Meeting of Stockholders.

Options shall vest in four equal quarterly increments, beginning September 11, 2024.

Options shall vest on the earlier of (i) June 11, 2025 or (ii) the date of the 2025 Annual Meeting of Stockholders.

Options shall vest in four equal quarterly increments, beginning September 11, 2024.

3/36th of the shares underlying such options shall vest on 2/06/2024, and the remaining share in equal monthly installments over a period of 33 months.

3/36th of the shares underlying such options shall vest on 2/06/2024, and the remaining share in equal monthly installments over a period of 33 months.

Options vest fully at the earlier of (i) 06/14/2024 or (ii) the date of the 2024 Annual Meeting of Stockholders.

3/36th of the shares underlying such options shall vest on 09/14/2023, and the remaining share in equal monthly installments over a period of 33 months.

Options vest in four equal quarterly increments, beginning 09/14/2023.

Options vest in four equal quarterly increments, beginning 09/14/2023.

Options vest fully at the earlier of (i) 06/14/2024 or (ii) the date of the 2024 Annual Meeting of Stockholders.

Stock option granted as part of compensation for non-employee directors. Options vest in four equal quarterly increments, beginning 9/09/2022.

Stock option granted as part of compensation for non-employee directors. Options vest fully at the earlier of (i) 06/09/2023 or (ii) the date of the 2023 Annual Meeting of Stockholders.

Stock option granted as part of compensation for non-employee directors. Options vest fully at the earlier of (i) 06/09/2023 or (ii) the date of the 2023 Annual Meeting of Stockholders.

Stock option granted as part of compensation for non-employee directors. Options vest in four equal quarterly increments, beginning 09/09/2022.

3/36th of the shares underlying such options shall vest on 07/25/2022, and the remaining share in equal monthly installments over a period of 33 months.

3/36th of the shares underlying such options shall vest on 07/25/2022, and the remaining share in equal monthly installments over a period of 33 months.

Stock option granted as part of compensation for non-employee directors. Options vest in four equal quarterly increments, beginning 9/09/2021.

Stock option granted as part of compensation for non-employee directors. Options vest fully at the earlier of (i) June 09, 2022 or (ii) the date of the 2022 Annual Meeting of Stockholders, with vesting accelerated for all shares in the event of a change in control.

3/36th of the shares underlying such options shall vest on 09/09/2021, and the remaining share in equal monthly installments over a period of 33 months.

3/36th of the shares underlying such options shall vest on 09/09/2021, and the remaining share in equal monthly installments over a period of 33 months.

3/36th of the shares underlying such options shall vest on 09/09/2021, and the remaining share in equal monthly installments over a period of 33 months.

Stock option granted as part of compensation for non-employee directors. Options vest fully at the earlier of (i) June 09, 2022 or (ii) the date of the 2022 Annual Meeting of Stockholders, with vesting accelerated for all shares in the event of a change in control.

Stock option granted as part of compensation for non-employee directors. Options vest in four equal quarterly increments, beginning 9/09/2021.

Stock option granted as part of compensation for non-employee directors. Options vest in four equal quarterly increments, beginning 9/23/2020.

Stock option granted as part of compensation for non-employee directors. Options vest in four equal quarterly increments, with first increment vesting on 9/23/2020.