144 0001810231 XXXXXXXX LIVE 0001883685 DraftKings Inc. 001-41379 222 BERKELEY STREET BOSTON MA 02116 617-986-6744 Robins Jason Officer Director Class A Common Stock Morgan Stanley & Co. LLC

1585 Broadway New York NY 10036

715551 26833162.50 489956221 03/14/2025 NASDAQ Class A Common Stock 04/23/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 6424 04/23/2023 Compensation Class A Common Stock 05/09/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 21246 05/09/2023 Compensation Class A Common Stock 05/22/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 3236 05/22/2023 Compensation Class A Common Stock 06/01/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 19368 06/01/2023 Compensation Class A Common Stock 07/23/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 5984 07/23/2023 Compensation Class A Common Stock 08/09/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 2117 08/09/2023 Compensation Class A Common Stock 08/09/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 4642 08/09/2023 Compensation Class A Common Stock 08/09/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 12980 08/09/2023 Compensation Class A Common Stock 08/22/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 3021 08/22/2023 Compensation Class A Common Stock 09/01/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 19368 09/01/2023 Compensation Class A Common Stock 10/23/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 5985 10/23/2023 Compensation Class A Common Stock 11/09/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 19738 11/09/2023 Compensation Class A Common Stock 11/22/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 3021 11/22/2023 Compensation Class A Common Stock 12/01/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 19368 12/01/2023 Compensation Class A Common Stock 12/18/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 261371 12/18/2023 Compensation Class A Common Stock 12/19/2023 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 255179 12/19/2023 Compensation Class A Common Stock 01/23/2024 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 7939 01/23/2024 Compensation Class A Common Stock 02/09/2024 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 22175 02/09/2024 Compensation Class A Common Stock 02/22/2024 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 3021 02/22/2024 Compensation Class A Common Stock 03/01/2024 Acquired as compensation -- Restricted Stock Awards DraftKings Inc. N 19368 03/01/2024 Compensation N Jason Robins

222 Berkeley Street 5th Floor Boston MA 02116

Class A Common Stock 02/25/2025 666651 28280068.73 Jason Robins

222 Berkeley Street 5th Floor Boston MA 02116

Class A Common Stock 02/12/2025 200000 9000980.00 Seller represents that the sale reported in Table I was made pursuant to a stock purchase agreement in respect of a variable price forward sale transaction (the Forward Contract) between Seller and the broker named in Table I. The Forward Contract provides for settlement based on the closing price of the Issuer's Class A Common Shares on the maturity date, March 14, 2030. Any initial hedging activity in connection with the Transaction will be conducted by the broker named in Table I. As listed in Table II, Seller further represents that the sales of 666,651 shares of Issuer's Class A Common Stock on February 25, 2025 was made pursuant to a Rule 10b5-1 trading plan in order to cover tax withholding obligations in connection with the vesting of certain performance-based restricted stock units. Additionally, Seller represents that the sale of 200,000 shares on February 12, 2025 was made pursuant to a Rule 10b5-1 trading plan for selling shares of Issuer's Class A Common Stock. 03/14/2025 /s/ Faisal Hasan, as attorney-in-fact for Jason Robins