| Id | Content |
|---|---|
| F1 | This restricted stock award vests over five years. |
| F2 | Shares awarded upon vesting of a performance-based restricted stock award granted on January 2, 2021. |
| F3 | These shares are subject to a stockholders' agreement pursuant to which the Yeager family members party thereto have agreed to vote all of their subject shares of Class B Common Stock in accordance with the vote of the holders of a majority of such shares. |
| F4 | Includes 176,276 shares held by the DPY 2015 Exempt Children's Trust, the trustees of which are Phillip D. Yeager, Matthew D. Yeager and Laura Y. Grusecki. Each of the trustees disclaims beneficial ownership of the Class B Common Stock held by the trust except to the extent of his or her pecuniary interest therein. |
| F5 | Includes 46,879 shares held by the David P. Yeager 2020 Hub Exempt Trust, the trustees of which are Julia E. Yeager, Phillip D. Yeager, Matthew D. Yeager and Laura Y. Grusecki. Each of the trustees disclaims beneficial ownership of the Class B Common Stock held by the trust except to the extent of his or her pecuniary interest therein. |