X0306 4 2021-04-28 0 0001766363 Endeavor Group Holdings, Inc. EDR 0001629141 Chandler Kerry D 9601 WILSHIRE BOULEVARD, 3RD FLOOR BEVERLY HILLS CA 90210 0 1 0 0 Chief Human Resources Officer Class A Common Stock 2021-05-03 4 A 0 6944 0.00 A 6944 D Stock Option 24.00 2021-04-28 4 A 0 57291 A 2031-04-28 Class A Common Stock 57291 57291 D Phantom Units 2021-04-28 4 A 0 60029 A Units of Endeavor Operating Company 60029 60029 D Restricted Stock Unit 2021-05-03 4 A 0 13889 0.00 A Class A Common Stock 13889 13889 D Represents a portion of restricted stock units that settled in shares of Class A Common Stock on May 3, 2021. The stock option is vested and exercisable as to a third of the underlying shares, and the remaining two-thirds will vest and become exercisable in two equal annual installments beginning on April 28, 2022. Represents securities received as part of the Issuer's reorganization in connection with its initial public offering, as described in the registration statement on Form S-1 relating to the initial public offering. These securities were previously reported on a Form 3 filed by the Reporting Person. Subject to certain conditions and limitations, each phantom unit entitles the holder to cash equal to the value of a number of limited liability company units of Endeavor Operating Company, LLC, or of equity settled to the equivalent number of limited liability company units of Endeavor Operating Company, LLC. Two-thirds of the phantom units are fully vested and the remaining third will vest on December 31, 2021. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of the Issuer. The restricted stock units will be settled in shares of Class A Common Stock in two equal annual installments beginning on May 3, 2022. /s/ Robert Hilton, Attorney-in-fact 2021-05-05