Datto Growth and Market Expansion Strategy

Datto Overview 25 2,000+ 18,500+ Employees MSP Partners 2007 Founded in Norwalk, CT Global Locations $36Bn Current Global TAM1 93% $658M 28% FY 2021 Recurring Subscription Revenue ARR FY 2021 Adjusted EBITDA Margin Strong Growth at Scale Quarterly Subscription Revenue ($M) FY'21 19% YOY FY'20 $153 18% $147 $142 YOY $136 $129 $123 $116 $118 $111 $105 $100 $96 $90 $86 $81 $76 2018 2019 2020 2021 datto FY 2021 Metrics, ARR metric, global locations, employees and MSP Partners as of December 31, 2021. Adjusted EBITDA is presented on a non-GAAP basis. See appendix for reconciliation of Adjusted EBITDA to the most comparable GAAP financial measure. 1) Source: Frost & Sullivan. 5

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