#1 Award of deferred stock pursuant to the Issuer's 2019 Stock Incentive Plan to replace awards cancelled by a prior employer in connection with the Reporting Person's commencement of employent with the Issuer. The award vests in six installments on the following schedule, reflecting the vesting schedule for the cancelled prior employer awards and the UK regulatory deferral requirements in effect at the time such awards were granted by the prior employer: 28.61% of the award to vest on January 20, 2026; 23.11% on January 20, 2027; 19.77% on January 20, 2028; 15.19% on January 20, 2029; 9.01% on January 20, 2030; and 4.31% on January 20, 2031. None of the award is eligible for immediate sale.