DraftKings Investor Day Presentation Deck

A Promo rate in a state stabilizes over time as customer mix shifts from mostly new to mostly existing Illustrative Promo Rate (Promo as % of Gross Revenue) TH Existing New Illustrative State Promo Mix Over Time (Customer Mix, % of Total Play) Note: Bars are not drawn to scale. (1) Defined as customers who have been playing OSB or iGaming for more than one year. (2) Defined as customers who have been playing OSB or iGaming for one year or less. Year 1 Year 2 Existing (1) New (2) Year 3 Promo Rate Year 4 1 I ↑ Year 5 | 30

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