System1 Class A Common Stock to Begin Trading on a Split-Adjusted Basis on June 12, 2025

LOS ANGELES--(BUSINESS WIRE)--System1, Inc. (NYSE: SST) (“System1” or the “Company”), an omnichannel customer acquisition marketing platform, previously announced on June 10, 2025, that the Company’s board of directors has approved a reverse stock split (the “Reverse Stock Split”) of all of its issued and outstanding Class A Common Stock, par value $0.0001 per share (“Class A Common Stock”) and Class C Common Stock, par value $0.0001 per share (“Class C Common Stock”, and together with the Clas