X0306 4 2022-04-22 0001805833 System1, Inc. SST 0001704720 Cannae Holdings, Inc. 1701 VILLAGE CENTER CIRCLE LAS VEGAS NV 89134 true 0001546148 Cannae Holdings, LLC C/O CANNAE HOLDINGS, INC. 1701 VILLAGE CENTER CIRCLE LAS VEGAS NV 89134 true Class A Common Stock 2022-04-22 4 S 0 50929 14.0194 D 26402297 I See Note 4 The number of shares of Class A common stock reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices. The price reported represents the weighted average price per share. The Reporting Persons undertake to provide to the Issuer, any stockholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, the number of shares sold at each separate price within the range. Sales prices range from $14.17 to $14.00 per share, inclusive. Due to a typographical error, the number of shares in Column 5 of Table I was reported as 26,453,256 in the prior Form 4 filed on April 21, 2022. This number should have been 26,453,226. Directly held by Cannae Holdings, LLC, which is a wholly-owned subsidiary of Cannae Holdings, Inc. Exhibit 99.1 (Joint Filer Information) is incorporated herein by reference. See Exhibit 99.1 for Signatures 2022-04-26