BigCommerce Investor Day Presentation Deck

BFINANCIALS Building sustainable operating leverage behind durably strong, enterprise-centric unit economics Revenue Gross margin O P E X S&M R&D G&A Non-GAAP Op Inc Rule of 40 2018 2019 2020 2021 2022e 100% 76% 50% 46% 20% -39% -19 100% 76% 53% 38% 19% -34% -12 * Data represents company estimates. Actual future results and annual guidance may differ. 100% 78% 45% 30% 21% -18% +18 100% 79% 41% 27% 21% -10% +34 100% 75% 44% 29% 20% -18% +10 .... 25-30% CAGR 2026* 100% 78-80% 33-35% 19-21% 11-13% 10-15% +40 ... Long term* 100% 80% 30% 20% 10% 20%+ +40 or higher

View entire presentation