Fastly Investor Day Presentation Deck

Operating Margin on Path to Profitability Totaled 1420 bps of improvements in 9 months Gross Margin Expansion OPEX Reduction 57.7% 2021 53.6% 50.4% 53.6% 57.0% +520 bps - All figures expressed as percent revenue. - Totals may not sum due to rounding. 55.6% 2022 Q2:22 Q3:22 Q4:22 Q1:23 73.3% 71.2% 76.7% 71.9% 2021 2022 Q2:22 Q3:22 - Please see the Appendix for a reconciliation of non-GAAP gross margin and gross profit to their nearest. GAAP equivalents and for the calculation of certain other financial metrics. Ⓒ2023 Fastly, Inc. | Confidential -910 bps 67.0% Q4:22 67.6% Q1:23 Operating Margin Expansion 2021 2022 Q2:22 Q3:22 Q4:22 Q1:23 -15.6% -17.7% -26.2% -18.3% -10.1% +1420 bps -12.0% fastly Investor Day | 2023

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