ironSource SPAC Presentation Deck

Financial highlights $332M 2020 REVENUE iS ironSource 83% 2020 Y/Y REVENUE GROWTH RATE 291 2020 CUSTOMERS >$100K¹ 54% 2020 Y/Y CUSTOMERS >$100K GROWTH RATE¹ 149% DOLLAR-BASED NET EXPANSION RATE FOR ALL CUSTOMERS² Note: All figures are displayed on a continuing operations basis ¹ Customers contributing more than $100,000 in revenue refer to customers who have generated more than $100,000 in revenue for ironSource over the trailing 12 months. 2 Dollar-based net expansion rate is defined as revenue for a certain period of time from a set of customers for that same period, divided by revenue from a prior period for the same set of customers. 3 Adjusted EBITDA Margin is a non-GAAP measure. See the appendix for a reconciliation to the most directly comparable GAAP measure. 31% 2020 ADJUSTED EBITDA MARGIN³ Confidential 34

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