ZoomInfo Technologies Inc. — Director's Dealing 2025

May 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ZoomInfo Technologies Inc. (ZI)
CIK: 0001794515
Period of Report: 2025-05-01

Reporting Person: O'Brien Michael Graham (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-01	Common Stock	M	1542	—	Acquired	45421	Direct
2025-05-01	Common Stock	M	3469	—	Acquired	48890	Direct
2025-05-01	Common Stock	F	514	$8.56	Disposed	48376	Direct
2025-05-01	Common Stock	F	1156	$8.56	Disposed	47220	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-01	HSKB Phantom Units	$	M	1542	Disposed		Common Stock (1542)	Direct
2025-05-01	Restricted Stock Units	$	M	3469	Disposed		Common Stock (3469)	Direct

Footnotes

F1: Reflects Phantom Units of HSKB Funds II, LLC ("HSKB Phantom Units") that upon vesting settled into shares of Common Stock on a one-for-one basis.

F2: Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

F3: Reflects shares withheld to cover the Reporting Person's tax liability in connection with the vesting of the HSKB Phantom Units reported herein.

F4: Reflects shares withheld to cover the Reporting Person's tax liability in connection with the vesting of the restricted stock units reported herein.

F5: The Reporting Person received an original grant of Phantom Units of HSKB Funds II, LLC ("HSKB Phantom Units") on December 1, 2023, which vest in equal quarterly installments during the 24 months following November 1, 2024.

F6: The Reporting Person received an original grant of restricted stock units on December 29, 2023, which vest in equal quarterly installments during the 36 months following November 1, 2024.