Upwork Investor Day Presentation Deck

Summary of Changes to Our Publicly Disclosed Metrics Appendix June 2021 © 2021 Upwork Inc. Proprietary and confidential. Do not distribute. Metric Client spend retention Core clients TTM active clients TTM GSV per active client Annual cohort performance Quarterly cohort performance High-value clients Timing Deprecating after Q2-2021 Deprecating after Q2-2021 Quarterly disclosure starting Q2-2021 Quarterly disclosure starting Q2-2021 Annual disclosure starting Q4-2021 One-time disclosure One-time disclosure 121

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