DOLAN JAMES LAWRENCE → Sphere Entertainment Co. SPHR

The disclosure in Item 4 is hereby amended by adding the following at the end thereof: On January 31, 2025, Brian G. Sweeney ceased to serve as the trustee of the CFD 2009 Trust and Paul J. Dolan was appointed the trustee of the CFD 2009 Trust. Accordingly, Brian G. Sweeney and his spouse, Deborah A. Dolan-Sweeney, are no longer deemed to beneficially own the shares of Common Stock owned of record by the CFD 2009 Trust. Further, Paul J. Dolan may be deemed to beneficially own the shares of Common Stock owned of record by the CFD 2009 Trust. Paul J. Dolan disclaims beneficial ownership of the shares of Class A Common Stock and shares of Class A Common Stock issuable upon conversion of an equal number of shares of Class B Common Stock owned of record by the CFD 2009 Trust.