X0306 4/A 2022-05-10 2022-05-12 0 0001805833 System1, Inc. SST 0001915482 Civantos John C/O SYSTEM1, INC. 4235 REDWOOD AVENUE MARINA DEL REY CA 90066 1 0 0 0 Class A Common Stock 113034 D Class A Common Stock 75612 I By Trust Reflects securities held by the John Civantos 2011 Family Trust. Mr. Civantos disclaims beneficial interest in such securities except to any pecuniary interest therein. This Form 4/A amends the Form 4 of the Reporting Person filed on May 12, 2022 to include the Reporting Person's indirect holdings. /s/ Daniel Weinrot, Attorney-in-Fact for John Civantos 2022-06-22