DraftKings Investor Day Presentation Deck

Long-term external marketing scale will be achieved through decreasing customer acquisition spend and optimizing our CACs Long-Term External Marketing Spend 1 2 3 External marketing is primarily a product of customer acquisition in newly launched OSB and iGaming states and provinces Applying current CACs to assumed annual customer acquisition at maturity accounts for more than 90% of the decrease from current external marketing spend to long- term external marketing spend The remaining decrease in spend is due to optimizing CACs; optimization is due to a variety of factors, the most notable being mix shift into more efficient national advertising from local advertising | 40

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