DraftKings Investor Day Presentation Deck

Percentage Our U.S. OSB and iGaming GGR share is increasing DraftKings Share(¹) on a Trailing Three-month Basis OSB Handle OSB GGR iGaming GGR OSB and iGaming GGR Combined Oct-22 Nov-22 Jun-22 Jul-22 Aug-22 Sep-22 Sources: State Gaming Reports and DraftKings internal data. Notes: Gross revenue as calculated pursuant to each state's definition; no adjustments were made to this state data. (1) Share is calculated on a trailing three-month basis. Share denominator includes all U.S. states where DraftKings is live with OSB and/or iGaming, as applicable, and data was available as of November 1st, 2023. Contributions from the Golden Nugget Online Gaming brand are included. Poker gross revenue is included in the TAM denominator (DraftKings does not currently offer poker). Removing poker gross revenue from the denominator, as estimated by Eilers and Krejcik, would result in DraftKings iGaming GGR share of 28%. Dec-22 Jan-23 Feb-23 Mar-23 Apr-23 May-23 Jun-23 Jul-23 Aug-23 39% 37% March 2022 OSB GGR Share Target: 20-30% 33% 27% March 2022 iGaming GGR Share Target: 20-25% Sep-23 | 10

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