Fastly Investor Day Presentation Deck

Cash Generation on an Upswing Capex rigor and improved margins driving to FCF breakeven 2022 (7%) 2021 (14%) (28%) Adjusted EBITDA 1 Cash Capex ¹ FCF (8%) Ⓒ2023 Fastly, Inc. | Confidential (10%) (40%) Q2:22 (16%) (9%) (59%) Q3:22 (8%) (8%) (41%) Q4:22 0% (14%) +3800 bps (34%) Q1:23 (2%) (8%) (21%) - All figures expressed as percent revenue; 2023 is a forecast. 1 Cash Capex includes internally used software. - Please see the Appendix for a reconciliation of free cash flow to its nearest GAAP equivalent and for the calculation of certain other financial metrics. 2023F ~0% ~(7%) ~(11%) fastly Investor Day | 2023

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