X0306 4 2022-05-10 0 0001805833 System1, Inc. SST 0001906862 Kidambi Tridivesh C/O SYSTEM1, INC. 4235 REDWOOD AVENUE MARINA DEL REY CA 90066 0 1 0 0 Chief Financial Officer Class A Common Stock 2022-05-10 4 A 0 100000 0.00 A 597829 D Mr. Kidambi was granted 100,000 restricted stock units ("RSUs") in connection with his continued employment with System1, Inc. ("SST"). Each RSU represents the right to receive one share of SST Class A Common Stock upon vesting. Subject to the continued employment of Mr. Kidambi through the applicable vesting dates, (i) 5,000 of the RSUs will vest on January 28, 2023, (ii) 15,000 of the RSUs will vest in quarterly installments of 3,750 each on January 28, April 28, July 28 and October 28, 2024 and (iii) the remaining 80,000 RSUs will vest in eight (8) quarterly installments of 10,000 each on the quarterly anniversary thereafter. /s/ Daniel Weinrot, Attorney-in-Fact for Tridivesh Kidambi 2022-05-12