| Explanation of Responses: |
| (1) | The transactions reported in this Form 4 were effected pursuant to a pre-established Rule 10b5-1 trading plan adopted on November 22, 2023. |
| (2) | Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $88.76 to $89.74 inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| (3) | Balance reflects the most current data available with regard to share holdings in the Company's 401(k) Retirement Savings Plan. |
| (4) | Grant to the reporting person of an option to purchase a specified number of shares of common stock vesting in four equal annual installments beginning on February 22, 2017, the first anniversary of the date of grant. |
| (5) | Grant to the reporting person of an option to purchase a specified number of shares of common stock vesting in four equal annual installments beginning on June 1, 2017, the first anniversary of the date of grant. |