Zoominfo Investor Day Presentation Deck

2022 ANALYST DAY > OPERATING INCOME & MARGIN Adjusted Operating Income ($MM) and Margin(¹) 45% $66 Q2 2020 Q3 2020 Q4 2020 Adjusted Operating Income (¹) 47% Q1 2021 $96 40% Q2 2021 Q3 2021 Q4 2021 Q1 2022 Adjusted Operating Income Margin(¹) Z zoominfo 1. GAAP to non-GAAP reconciliations available in the non-GAAP reconciliations section of this presentation Q1 2022 Adjusted Operating Income Margin(¹) 39% Q1 2022 YOY Growth in Adjusted Operating Income(¹) 45%

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