144 0001404430 XXXXXXXX LIVE 0001883685 DraftKings Inc. 001-41379 222 BERKELEY STREET BOSTON MA 02116 (617) 986-6744 Dodge R Stanton Officer Class A Common UBS Financial Services Inc.

11 Madison Avenue 4th Floor New York NY 100010

158331 6174909.00 496285631 06/18/2025 NASDAQ Class A Common 06/01/2025 Vesting of Restricted Stock Units Issuer N 12182 06/01/2025 NA Class A Common 06/18/2025 Exercise of Stock Option Issuer N 146149 06/18/2025 Cash N Stanton Dodge

c/o 222 BERKELEY STREET Boston MA 02116

Class A Common 05/05/2025 52777 1796296.86 Stanton Dodge

c/o 222 BERKELEY STREET Boston MA 02116

Class A Common 04/21/2025 52777 1703805.17 Stanton Dodge

c/o 222 Berkeley Street Boston MA 02116

Class A Common 06/02/2025 52777 1767607.28 Seller represents that the sale reported in Table I of this Form 144 was made pursuant to a Rule 10b5-1 trading plan for selling shares of Issuer's Class A Common Stock. As listed in Table II of this Form 144, Seller further represents that the sales of (i) 52,777 shares on June 2, 2025, (ii) 52,777 shares on May 5, 2025 and (iii) 52,777 shares on April 21, 2025 were made pursuant to a Rule 10b5-1 trading plan for selling shares of Issuer's Class A Common Stock. 06/18/2025 12/13/2024 /s/ UBS Financial Services Inc, as attorney-in-fact for Stanton Dodge