| Id | Content |
|---|---|
| F1 | On June 4, 2021, the Reporting Person filed a Form 4 that contained a scrivener's error that resulted in the number of shares beneficially owned indirectly by the Reporting Person to be overstated by 1,000 shares. That error has been corrected in this Form 4. |
| F2 | This transaction was executed in multiple trades and the price reported reflects the weighted average purchase price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or security holder of the issuer, full information regarding the number of shares and prices at which the transaction as effected. |