Transaction Details

Footnotes

These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Class A Common Stock. 100% of the RSUs shall vest on the earlier of (i) the one-year anniversary of the date the Annual Award is granted or (ii) the day prior to the date of the Annual Meeting next following the date the Annual Award is granted, subject to the Outside Director continuing to be a Service Provider through the applicable vesting date. | The sales were executed in multiple trades at prices ranging from $421.45 to $422.44. 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 $422.45 to $423.44. 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 $423.45 to $424.05. 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. | Shares are held by The Chen Family 2012 Irrevocable Trust, for which the Reporting Person and his spouse serve as trustees. | The option is fully vested and exercisable. | Certain of these securities are represented by RSUs. | The sales were executed in multiple trades at prices ranging from $414.18 to $415.10. 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 $415.25 to $416.09. 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 $416.44 to $417.42. 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 $417.445 to $418.44. 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 $418.45 to $419.44. 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 $419.45 to $420.42. 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 $420.45 to $421.44. 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.