Exhibit A:

Mr. Kang also directly owns an employee stock option to purchase 15,000
shares of Class A common stock with (i) an exercise price of $197.44 per
share and (ii) an expiration date of May 18, 2032. Of the 15,000 shares
subject to this option, 3,750 shares vested on May 18, 2023, 3,750 shares are
scheduled to vest on May 18, 2024, 3,750 shares are scheduled to vest on May 18,
2025, and 3,750 shares are scheduled to vest on May 18, 2026.