ironSource SPAC

BUSINESS MODEL & FINANCIAL OVERVIEW Non-GAAP adjustments (S IN MILLIONS) Cost of Revenues Stock-based compensation expense Depreciation & amortization Non-GAAP COR Adjustments Research & Development Stock-based compensation expense Acquisition related costs Non-GAAP R&D Adjustments Sales & Marketing Stock-based compensation expense Depreciation & amortization Acquisition related costs Non-GAAP S&M Adjustments General & Administrative Stock-based compensation expense Depreciation & amortization Initial public offering costs Acquisition-related costs Fair value adjustment related to contingent consideration Non-GAAP G&A Adjustments IS ironSource Note: Numbers might defer due to rounding FY2019 (0) (10) $ (10) (4) 0 $(4) (5) (1) 0 $ (6) S (1) 0 0 1 $3 FY2020 (0) (10) $(11) (4) 0 $(4) (5) (1) 0 $ (6) (1) 0 0 0 $(5) FY2021E (1) (15) $ (16) (19) (6) $(25) (13) (2) (5) $(19) (36) (1) (1) 0 $ (30) Confidential 57

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