Upwork Investor Presentation Deck

GAAP to Non-GAAP Reconciliation (Cont.) Gross profit, GAAP Stock-based compensation expense Humanitarian response efforts Gross profit, non-GAAP Gross margin, GAAP (%) Gross margin, non-GAAP (%) Research and development, GAAP Stock-based compensation expense Humanitarian response efforts Research and development, non-GAAP Sales and marketing, GAAP Stock-based compensation expense Humanitarian response efforts Sales and marketing, non-GAAP Note: Figures have been rounded. $ and share counts in millions Percentages and per share data as stated Q1 2022 103.4 0.2 0.1 103.7 73% 73% 38.2 (5.6) (2.7) 29.9 57.6 (2.3) (0.3) 55.1 Q1 2021 83.2 0.2 83.4 73% 73% 26.6 (3.3) 23.3 39.6 (1.3) 38.3 29

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