ironSource SPAC

BUSINESS MODEL & FINANCIAL OVERVIEW Non-GAAP income statement (S IN MILLIONS) GAAP Revenue (+) Customer Incentives Amortization Non-GAAP Revenue (-) Non-GAAP Cost of Revenues Non-GAAP Gross Profit (-) Non-GAAP R&D (-) Non-GAAP S&M (-) Non-GAAP G&A Non-GAAP Operating Expenses Adjusted EBITDA IS ironSource FY2019A $181 5 $186 (24) $162 (34) (32) (22) $(87) $74 FY2020A $332 4 $336 (47) $288 (48) (114) (24) $ (185) $ 104 FY2021E $480-490 6 $486-496 (70) $416-426 (66) (169-174) (31) $(266-271) $150-155 Confidential 55

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