System1 announces reverse stock split

System1 (SST) announced that its board of directors has approved a reverse stock split of its Class A Common Stock, par value $0.0001 per share and Class C Common Stock, par value $0.0001 per share at a ratio of 1-for-10. Stockholders approved a proposal to allow the board of directors, in its discretion, to effect the Reverse Stock Split at the Annual Meeting of Stockholders held on June 10, 2025, with the final ratio determined by the Company’s board of directors. The Reverse Stock Split is expected to become effective at 5:00 p.m. Eastern Time on June 11, 2025. Shares of System1 Class A Common Stock are expected to begin trading on a split-adjusted basis on the New York Stock Exchange on June 12, 2025. Shares of the Class A Common Stock will continue to trade under the symbol “SST” and the new CUSIP number will be 87200P 208.