| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $42.61 to $43.55, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) of this Form 4. |
| F2 | This transaction was executed in multiple trades at prices ranging from $43.76 to $43.82, inclusive. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) of this Form 4. |
| F3 | Return to issuer of previously restricted shares to satisfy withholding tax liability. |
| F4 | Gift of shares to Charles F. Willis V 2019 Trust, Austin Willis Trustee. |
| F5 | Gift of shares to Justin Y. Brown 2019 Trust, Austin Willis Trustee. |
| F6 | Gift of shares to Phoebe W. Brown 2019 Trust, Austin Willis Trustee. |
| F7 | Gift of shares to Charlotte Montressor Willis. |
| F8 | Gift of shares to George Gifford. |
| F9 | Charlotte Montressor Willis. |
| F10 | Wilder Grace Willis 2016 Trust. |