144 0001810204 XXXXXXXX LIVE 0001883685 DraftKings Inc. 001-41379 222 BERKELEY STREET BOSTON MA 02116 (617) 986-6744 Liberman Paul Officer Class A Common UBS Financial Services, Inc.

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

88441 3269663.77 485530405 10/25/2024 NASDAQ Class A Common 10/25/2024 Exercise of Stock Options Issuer N 88441 10/25/2024 Cash N Paul Liberman 2015 Revocable Trust dtd 5/12/2015

c/o 222 Berkeley Street Boston MA 02116

Class A Common 08/26/2024 88441 3151763.07 Paul Liberman 2015 Revocable Trust dtd 5/12/2015

c/o 222 Berkeley Street Boston MA 02116

Class A Common 09/25/2024 575000 23713068.00 Paul Liberman 2020 Trust Agreement dtd 4/21/2020

c/o 222 Berkeley Street Boston MA 02116

Class A Common 09/25/2024 68654 2831551.85 Sale reported under this filing represents 88,441 shares under the Paul Liberman 2015 Revocable Trust DTD 5/12/2015. 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) 88,441 shares on August 26, 2024 and (ii) 643,654 shares on September 25, 2024 were made pursuant to a Rule 10b5-1 Trading Plan for selling shares of Issuer's Class A Common Stock. 10/25/2024 03/05/2024 /s/ UBS Financial Services Inc, as attorney-in-fact for Paul Liberman