| Explanation of Responses: |
| (1) | Shares were either: (a) automatically sold by the Reporting Person on a non-discretionary basis solely to satisfy the Reporting Person's tax withholding obligations upon the previously scheduled vesting of restricted stock awards held by the Reporting Person for which the March 10, 2021 vesting date was approved on December 14, 2020, or (b) sold by the Reporting Person solely to satisfy the Reporting Person's tax withholding obligations upon the previously scheduled vesting of restricted stock awards owned by the Sarig-Bulow Family Trust for which the March 10, 2021 vesting date was approved on December 14, 2020. Pursuant to the arrangements of the Sarig-Bulow Family Trust, Mr. Sarig does not beneficially own any of the securities owned by the Sarig-Bulow Family Trust. |
| (2) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.51 to $32.45, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (3) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.62 to $33.60, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (4) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.63 to $34.63, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (5) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.64 to $35.63, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (6) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.69 to $36.68, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (7) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.71 to $37.71, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (8) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.72 to $38.16, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (9) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.445 to $32.445, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (10) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.45 to $33.45, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (11) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.53 to $34.52, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (12) | The price reported in Column 4 of Table I is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.60 to $34.7399, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or staff of the Securities Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| (13) | 776,315 shares held of record by the Sarig-Bulow Family Trust previously reported as indirect ownership by the Reporting Person are not being reported on this Form 4 and will not be reported on future Form 4's by the Reporting Person because the Reporting Person does not beneficially own such shares pursuant to the arrangements of the Trust. |
| (14) | Pursuant to the initial terms of the option, 1/3rd of the number of shares subject to the option vested on October 11, 2019 and 1/36th of the number of shares subject to the option would vest following each one month period thereafter, subject to the Reporting Person's continued service to the Issuer through each such vesting date. The Issuer accelerated the vesting of 60,000 shares subject to the option to March 11, 2021. |