DraftKings Investor Day Presentation Deck

Customer Acquisition Cost(¹) in Dollars Over the past two years, we have dramatically increased customer acquisition while simultaneously decreasing CAC Customer Acquisition Efficiency Customer Acquisition Cost(¹) Customers Acquired 2021A (21%) 2022A (20%) Greater than 40% CAGR vs. 2021A 2023E (1) Customer acquisition cost (CAC) is defined as external marketing spend divided by new customers. We include all external marketing spend allocated to OSB and iGaming, including national spending, team and league deals, and product-agnostic spending, and divide by new OSB and iGaming customers. We do not credit customer acquisition for customers who were previously acquired to DFS. Customers Acquired | 27

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