North Mountain Overview

Corcentric at a glance Platform Overview WHAT WE DO HOW WE DO IT Source-to-Pay (S2P) Order-to-Cash (O2C) Proprietary B2B Payments Network Software Payments By the Numbers 2,500+ Customers and growing SCALE $100B+ Platform transaction volume $140B+ Estimated global B2B software & services revenue opportunity¹ Advisory services $149M 2022E adj. revenue PERFORMANCE 27% 2022E adj. revenue growth 113% Dollar-based net retention² BUSINESS OUTCOMES DELIVERED + Enable growth + Enhance visibility + Optimize working capital Increase EBITDA Increase business agility Minimize risk corcentric 69% 2022E adj. gross margin PROFITABILITY 28% 2022E adj. EBITDA margin 49% 2021F 2023E adj. EBITDA CAGR Note: Adjusted revenue, adjusted gross margin, and adjusted EBITDA margin are non-GAAP metrics. Definitions and reconciliations are provided in the appendix (1) Derived by multiplying the number of large and mid-size enterprise companies per Dun & Bradstreet by average total revenues (excluding payments revenues) per customer; data as of 6/21/21 (2) Figure represents FY 2021 estimates 00 6

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