| Id | Content |
|---|---|
| F1 | Conversion of shares of Class A common stock into Class B common stock in accordance with the terms thereof. |
| F2 | Includes 293.8107 shares in the reporting person's 401(k) account. |
| F3 | The price shown is the weighted average price at which shares were sold in multiple sales transactions made pursuant to a single market order. The range of prices for the transactions made was $171.61 to $171.86. Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price. |