BigCommerce Results Presentation Deck

B Continued focus on high value enterprise accounts as mix continues to shift further towards larger B2C and B2B merchants 43% 57% Enterprise account ARR as a % of total ARR 41% 59% 37% 36% 63% 64% 33% 67% 30% Enterprise account ARR 70% 29% 28% 28% 71% 72% 72% Retail account ARR 29% 1Q21 2Q21 3Q21 4Q21 1Q22 2Q22 3Q22 4Q22 1Q23 2Q23 71% +54% +58% $123M $112M Enterprise account ARR ($M) +72% +78% $173M $160M +68% $189M *Note: Q3 2022 marks the 1 year anniversary of the Feedonomics acquisition +35% +68% $216M $207M +21% +30% $229M $224M +14% $236M 1Q21 2Q21 3Q21 4Q21 1Q22 2Q22 3Q22 4Q22 1Q23 2Q23 23

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