Transaction Details

Footnotes

The sales were executed in multiple trades at prices ranging from $411.84 to $412.34. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $412.43 to $413.05. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | Certain of these securities are represented by Restricted Stock Units ("RSUs"). | The sales were executed in multiple trades at prices ranging from $413.54 to $414.34. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $414.55 to $415.30. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $415.64 to $416.61. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $416.64 to $417.63. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $417.64 to $418.63. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $418.64 to $419.60. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $419.64 to $420.61. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $420.64 to $421.63. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | Shares are held by The OD Trust for which the Reporting Person's children are beneficiaries. The Reporting Person disclaims beneficial ownership of these shares, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. | The sales were executed in multiple trades at prices ranging from $421.64 to $422.59. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $422.66 to $423.65. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $423.66 to $424.65. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $424.66 to $425.65. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $425.67 to $426.57. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $426.69 to $427.68. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $427.77 to $428.75. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $428.77 to $429.76. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $429.83 to $430.77. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $430.84 to $431.61. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | Shares are held by The WHK Trust for the benefit of the Reporting Persons children. The Reporting Person disclaims beneficial ownership of these shares, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. | Shares are held by DLF 2020 LLC for the benefit of the Reporting Person's children. The Reporting Person disclaims beneficial ownership of these shares, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. | The sales were executed in multiple trades at prices ranging from $419.72 to $420.49. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $401.02 to $401.18. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $405.83 to $406.57. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $407.01 to $407.83. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $408.05 to $408.72. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $410.22 to $411.10. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. | The sales were executed in multiple trades at prices ranging from $411.30 to $412.23. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.