| Id | Content |
|---|---|
| F1 | Represents the settlement of performance share units (PSUs) that were previously granted under Huntsman's stock incentive plans. The amount of shares to be received under the grant depended upon the achievement of performance goals during a three-year performance period from January 1, 2020 through December 31, 2022. |
| F2 | Shares automatically withheld upon payout of PSUs. |
| F3 | These shares of restricted stock granted under the Huntsman 2016 Stock Incentive Plan vest in three equal installments beginning February 16, 2024. |
| F4 | Shares automatically withheld upon vesting of restricted stock to satisfy tax withholding obligations. |
| F5 | Represents shares held by spouse as Uniform Gifts to Minors Act custodian for six of the reporting person's children. The reporting person disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. |
| F6 | Represents shares held by spouse as Utah Uniform Transfer to Minors Act custodian for eight of the reporting person's children. The reporting person disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. |