Transaction Details

Footnotes

Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. | RSS Master LLC ("RSS Master") directly owns the reported securities. RSS Master is a limited liability company that is wholly-owned by the Robert S. Sands Master Trust. The reporting person is the sole trustee and sole beneficiary of the Robert S. Sands Master Trust. | PKSDT 2016 STZ LLC ("PKSDT") directly owns the reported securities and is a wholly-owned subsidiary of the Pamela K. Sands 2016 Descendants' Trust (the "Trust"). These shares are held for the benefit of the reporting person's stepchildren. The reporting person's spouse is the trustee of the Trust. The reporting person disclaims beneficial ownership with respect to securities held in this manner, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for the purposes of Section 16 or any other purpose. | The reported securities are owned directly by RSS 2015 Business Holdings LP ("RSS 2015 Holdings"). RSS 2015 Business Management LLC ("RSS 2015 Management") is the co-general partner of, and owns a 0.02458% interest in, RSS 2015 Holdings. The reporting person indirectly controls RSS 2015 Management. | The reported securities are owned directly by RSS Business Holdings LP ("RSS Holdings"). RSS Business Management LLC ("RSS Management") is the co-general partner of, and owns a 0.009% interest in, RSS Holdings. The reporting person indirectly controls RSS Management. | The reported securities are owned directly by SSR Business Holdings LP ("SSR Holdings"). SSR Business Management LLC ("SSR Management") is the co-general partner of, and owns a 0.016% interest in, SSR Holdings. The reporting person indirectly controls SSR Management. | The reporting person disclaims beneficial ownership with respect to securities held in this manner, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for the purposes of Section 16 or any other purpose. | All of these restricted stock units vest on the date specified. Vested shares will be delivered to the reporting person as of the vesting date.