X0508 4 2023-09-12 0 0001973266 TKO Group Holdings, Inc. TKO 0001405614 Koonin Steven R C/O TKO GROUP HOLDINGS, INC. 200 FIFTH AVENUE, 7TH FLOOR NEW YORK NY 10010 1 0 0 0 0 Class A Common Stock 2023-09-12 4 A 0 3508 A 3508 D Restricted Stock Unit 2023-09-12 4 A 0 1767 0.00 A Class A Common Stock 1767 1767 D At the effective time of the Merger (each as defined in and pursuant to the Transaction Agreement (as defined and described in the Issuer's prospectus filed with the Securities and Exchange Commission on May 12, 2023)), each share of Class A common stock of World Wrestling Entertainment, Inc. ("WWE") issued and outstanding immediately prior to the effective time was converted into a right to receive one share of Class A common stock of the Issuer. These securities were previously reported on a Form 3 filed by the Reporting Person. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A common stock of the Issuer. The RSUs were granted on September 12, 2023 and will vest on the date of the Issuer's annual stockholder meeting immediately following the date of grant. /s/ Robert Hilton, Attorney-in-fact 2023-09-12