Lo Hoi Chun bought PRE

Footnotes

Each of the 91,629 Restricted Stock Units ("RSUs"), granted under the Issuer's 2022 Share Incentive Plan, represents the contingent right to receive one Class A Ordinary Share. The RSUs vest in accordance with the following schedule, subject to continued service: May 19, 2026: 7,635 (7,635 Class A Ordinary Shares); on the 19th day of each subsequent month until and including March 19, 2027: 7,635.75 (total of 76,358 Class A Ordinary Shares); April 19, 2027: 7,636 (7,636 Class A Ordinary Shares). Hoi Chun Lo's vested RSUs are not automatically settled upon vesting. Settlement and delivery of Class A Ordinary Shares in respect of vested RSUs occurs at Hoi Chun Lo's election, in accordance with the Issuer's insider trading policy.; Inclusive of 15,272 RSUs, granted on July 15, 2025, representing the contingent right to receive 15,272 Class A Ordinary Shares, and 491,029 RSUs, granted on June 23, 2023, which originally represented the contingent right to receive 491,029 Class A Ordinary Shares. Following the Issuer's 1-for-15 reverse stock split effected on November 14, 2023, the 491,029 RSUs now represent the contingent right to receive an aggregate of 32,736 Class A Ordinary Shares. For more details on these previously granted RSUs, refer to Lo Hoi Chun's initial statement of beneficial ownership of securities on Form 3, filed with the SEC on March 18, 2026.