Transaction Details

Footnotes

Sphere Entertainment Co. Class B Common Stock ("Class B Common Stock") is convertible at the option of the holder on a share for share basis into Sphere Entertainment Co. Class A Common Stock ("Class A Common Stock"). | On September 8, 2025, a trust for which the Reporting Person is a trustee received the shares of Class B Common Stock in partial repayment of a promissory note. For purposes of the repayment, the shares were valued at $52.2025 per share, the mean of the high and low trading price for the Class A Common Stock on September 8, 2025. | Reflects securities held by trusts for which the Reporting Person serves as co-trustee. The Reporting Person disclaims beneficial ownership of all securities of Sphere Entertainment Co. beneficially owned or deemed to be beneficially owned by the trusts and this filing shall not be deemed to be an admission that she is, for purposes of Section 16 or for any other purpose, the beneficial owner of such securities.