Dropbox Results Presentation Deck

Non-GAAP Reconciliation Gross profit Gross margin Research and development Research and development margin Sales and marketing Sales and marketing margin General and administrative General and administrative margin Impairment related to real estate assets Impairment related to real estate assets Income from operations Operating margin Dropbox $ GAAP 513.4 81% 216.4 34 % 106.3 17% 60.0 9% - 130.7 % 21 % $ Stock based compensation 5.8 1% (58.6) (9%) (5.2) (1%) (14.2) (2%) | | - % 83.8 13 % Three Months Ended September 30, 2023 Amortization of acquired intangible assets Acquisition- related and other expenses $ - % (4.6) (1%) T -% T - % - % 4.6 1% $ 3.7 1% - % (3.4) (1%) T - % - % 7.1 1% Impairment related to real estate assets - % - % | | - % ||||| | - % - % - % Workforce reduction expense $ 0.2 - % (0.6) -% (0.3) -% (0.3) % - % 1.4 - % $ Non-GAAP 523.1 83 % 152.6 24% 97.4 15 % 45.5 7% | | - % 227.6 36 % 35

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