Datto Growth and Market Expansion Strategy

Strong Profitability Non-GAAP Gross Profit % Margin 74% 73% 67% FY 2019 FY 2020 FY 2021 Expanding Gross Margins datto Adjusted EBITDA % Margin 18% 29% 28% Free Cash Flow % Margin 13% 13% FY 2019 FY 2020 FY 2021 (6)% FY 2019 FY 2020 FY 2021 Strong Operating Leverage Improving Capital Efficiency Non-GAAP Gross Profit, Adjusted EBITDA and Free Cash Flow Margin are all non-GAAP metrics. See appendix for reconciliation of Non-GAAP Gross Profit, Adjusted EBITDA and Free Cash Flow to the most comparable GAAP financial measures. FY 2019, FY 2020, and FY 2021 refers to 12 months ending December 31, 2019, 2020 and 2021 respectively. 39

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