Dropbox Investor Presentation Deck

Non-GAAP reconciliation Income (loss) from operations - GAAP Stock-based compensation Acquisition-related and other expenses Amortization of acquired intangible assets Impairment related to real estate assets Workforce reduction expense Income from operations - Non-GAAP Non-GAAP operating margin 2019 $ $ (80.5) 261.2 15.9 8.4 205.0 12.3% Twelve Months Ended 2020 $ $ (277.0) 261.5 16.9 9.5 398.2 409.1 21.4% 2021 274.4 287.1 26.8 13.1 31.3 14.3 647.0 30.0%

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