Zoominfo Investor Day Presentation Deck

2022 ANALYST DAY> MODEL AT SCALE Leading Revenue Growth and Profitability at Scale Consensus CY22E Revenue Growth + CY22E Adj Operating Margin(¹)(2) Z zoominfo 82% 82% 70% 68% 63% 59% 58% 56% 55% 55% 52% 51% 47% Z zoominfo 46% 43% 42% 42% 41% 41% Clearwater DigitalOcean Zoom Video HubSpot KnowBe4 Mimecast 41% Salesforce.com SPS Commerce Workday Five9 อนเวน 37% 37% 36% 35 % 35 % 35% 35% 34% 34% 33 % 32% 32% Dropbox RingCentral Box Twilio Qualtrics Blackbaud Zendesk DocuSign Jamf MongoDB болнг Unity Upper Quartile CY22E Revenue Growth Lower 75% CY22E Revenue Growth legative CY22E Revenue Growth 29% 27% Shopify Ceridian Okta 27% 26% 25% 25 % 24% 23% 23% 22% 22% 19% Source: Consensus estimates from Bloomberg as of 5/9/2022. No adjustments made to the figures. Note: Figures may not add up due to rounding 1. CY22E revenue growth calculated as CY22E revenue divided by CY21 revenue minus 1 2. Non-GAAP operating income margin calculated as CY22E non-GAAP operating income divided by CY22E revenue Upper Quartile CY22E Adj Operating Margin Lower 75% CY22E Adj Operating Margin Negative CY22E Adj Operating Margin 17% 12% 12% 4% * -5%

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