X0306 4 2020-07-02 0 0001799208 Dun & Bradstreet Holdings, Inc. DNB 0001805061 Daffron Stephen C. 103 JOHN F. KENNEDY PARKWAY SHORT HILLS NJ 07078 0 1 0 0 President Common Stock 2020-07-02 4 P 0 100000 22 A 100000 D Common Stock 267922 I By Daffron Family Trust Common Stock 3021545 I See Footnote The purchase reported in this Form 4 was effected pursuant to a directed share program held by Dun & Bradstreet Holdings, Inc. in connection with its initial public offering. Shares are indirectly owned through Star Parent, L.P., which directly owns the shares. By: /s/ Joe A. Reinhardt III, attorney-in-fact 2020-07-07