144 0001306507 XXXXXXXX LIVE 0001799208 Dun & Bradstreet Holdings, Inc. 001-39361 5335 GATE PARKWAY JACKSONVILLE FL 32256 (904)648-6346 Chu Chinh Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

19139 171198.36 446424575 05/09/2025 NYSE Common 03/11/2025 Restricted Stock Vesting Issuer N 19139 03/11/2025 Compensation Y 05/09/2025 /s/ Ryan Riviere, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Chinh Chu