Zoominfo Results Presentation Deck

Q1 EARNINGS CALL > FINANCIAL RESULTS Guidance (as of May 2, 2022)(¹) GAAP Revenue Adjusted Operating Income(1) Adjusted Net Income Per Share(¹) Unlevered Free Cash Flow(1) Weighted Average Shares Outstanding Z zoominfo Q2 2022 $253 $255 million $98 $100 million $0.17 - $0.18 Not guided 410 million FY 2022 (as of 2/15/2022) $1.01 $1.02 billion $405 $415 million $0.71 - $0.73 $415 $435 million 410 million FY 2022 (as of 5/2/2022) $1.06 $1.07 billion $418 - $424 million $0.75 - $0.77 $435 $445 million 411 million 1. We do not provide a quantitative reconciliation of the forward-looking non-GAAP financial measures included in this presentation to the most directly comparable GAAP measures due to the high variability and difficulty to predict certain items excluded from these non-GAAP financial measures; in particular, the effects of stock-based compensation expense, taxes and amounts under the exchange tax receivable agreement, deferred tax assets and deferred tax liabilities, and restructuring and transaction expenses. We expect the variability of these excluded items may have a significant, and potentially unpredictable, impact on our future GAAP financial results. 28

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