BigCommerce Results Presentation Deck

(as of 6/30/23) 2 $84M ...with Subscription ARR growth pacing ahead of non-subscription ARR... Q1 $89M $94M +24% $99M $104M 2019 +23% YoY Q2 Q3 Q4 Q1 +28% $114M +31% $123M Q2 Q3 2020 Subscription ARR ($M) +34% $133M Q4 +37% $143M Q1 +34% $153M Q2 +57% $193M 2021 Q3 +54% $204M Q4 +48% +49% $226M $212M Q1 Q2 +15% +17% +21% $244M $238M $233M Q3 2022 +13% $256M Q4 Q1 Q2 *Note: Q3 2022 marks the 1 year anniversary of the Feedonomics acquisition Note: "Subscription annual revenue run-rate" is calculated by subtracting the trailing twelve months of partner and services revenue from Total annual revenue run-rate 2023 30

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