X0508 4 2026-02-05 0 0001794515 ZoomInfo Technologies Inc. GTM 0001813217 Schuck Henry C/O ZOOMINFO TECHNOLOGIES INC., 330 W COLUMBIA WAY, FLOOR 8 VANCOUVER WA 98660 1 1 0 0 Chief Executive Officer 0 Common Stock 11354680 D Common Stock 5803333 I See Footnote Common Stock 237376 I By Trust Performance Restricted Stock Units 2026-02-05 4 A 0 23824 0 A Common Stock 23824 23824 D Reflects the Reporting Person's proportionate pecuniary interest in the securities held directly by DO Holdings (WA), LLC. Each performance restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock. On May 29, 2024, the Reporting Person was awarded a target number of performance-based restricted stock units ("PSUs"), subject to satisfaction of performance conditions as determined by the Compensation Committee of the Board of Directors of ZoomInfo Technologies Inc. The amount shown represents the actual number of units earned by the Reporting Person for the second PSU performance period, commencing January 1, 2025, and continuing through and including December 31, 2025, as determined February 5, 2026. The earned units will vest in whole on the date that is 45 days after February 5, 2026. /s/ Meredith Weisshaar, as Attorney-in-Fact 2026-02-09