Management Change/Compensation Form 8 K

On August 22, 2024, the Compensation Committee (the "Compensation Committee") of the Board of Directors of Sphere Entertainment Co. (the "Company") approved new forms of restricted stock unit agreements (the "Award Agreements") with respect to the granting of restricted stock units under the Sphere Entertainment Co. 2020 Employee Stock Plan, as amended, and the MSG Networks Inc. 2010 Employee Stock Plan, as amended. The Award Agreements provide that a different vesting schedule may be provided on a case-by-casebasis as determined by the Compensation Committee in its sole discretion, subject to the terms and conditions of the applicable plan. All other terms of the Award Agreements are consistent with the forms of restricted stock unit agreements currently filed with the Securities and Exchange Commission. The Award Agreements will be used for all awards of restricted stock units to employees made on or after August 22, 2024.

The foregoing description of the Award Agreements does not purport to be complete and is qualified in its entirety by reference to the full text of the Award Agreements, which are attached as Exhibits 10.1 and 10.2 hereto and incorporated into this Item 5.02 by reference.