X0508 4 2024-03-01 0 0001883685 DraftKings Inc. DKNG 0001810235 Park Jason C/O DRAFTKINGS INC. 222 BERKELEY STREET, 5TH FLOOR BOSTON MA 02116 0 1 0 0 Chief Financial Officer 0 Class A Common Stock 2024-03-01 4 M 0 14118 A 328977 D Class A Common Stock 2024-03-01 4 F 0 6672 43.53 D 322305 D Class A Common Stock 0 I Held by Park Family 2022 Grantor Retained Annuity Trust III Restricted Stock Units 2024-03-01 4 M 0 14118 0.00 D Class A Common Stock 14118 169411 D No shares of Class A Common Stock were transferred or sold upon the vesting of the restricted stock units ("RSUs") other than to the Issuer to satisfy withholding taxes. The Reporting Person received the net of the 14,118 shares of Class A Common Stock underlying the RSUs listed in Table II, and 6,672 shares of Class A Common Stock withheld by the Issuer. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. Reflects the transfer of 42,689 shares of Class A Common Stock previously reported as indirectly held by the Park Family 2022 Grantor Retained Annuity Trust III to the Reporting Person. There was no purchase or sale of shares of Class A Common Stock in connection with the transfer. On February 13, 2023, the Reporting Person was granted 225,882 RSUs vesting quarterly over four (4) years. /s/ Faisal Hasan, attorney-in-fact 2024-03-01